CA2216427C - Electronic mail converting apparatus for facsimile - Google Patents
Electronic mail converting apparatus for facsimile Download PDFInfo
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- CA2216427C CA2216427C CA002216427A CA2216427A CA2216427C CA 2216427 C CA2216427 C CA 2216427C CA 002216427 A CA002216427 A CA 002216427A CA 2216427 A CA2216427 A CA 2216427A CA 2216427 C CA2216427 C CA 2216427C
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- electronic mail
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- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims 15
- 238000010586 diagram Methods 0.000 description 9
- 238000004353 relayed correlation spectroscopy Methods 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
- H04L51/06—Message adaptation to terminal or network requirements
- H04L51/066—Format adaptation, e.g. format conversion or compression
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
- H04N1/00204—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a digital computer or a digital computer system, e.g. an internet server
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
- H04N1/00204—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a digital computer or a digital computer system, e.g. an internet server
- H04N1/00209—Transmitting or receiving image data, e.g. facsimile data, via a computer, e.g. using e-mail, a computer network, the internet, I-fax
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32358—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device using picture signal storage, e.g. at transmitter
- H04N1/324—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device using picture signal storage, e.g. at transmitter intermediate the transmitter and receiver terminals, e.g. at an exchange
- H04N1/32406—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device using picture signal storage, e.g. at transmitter intermediate the transmitter and receiver terminals, e.g. at an exchange in connection with routing or relaying, e.g. using a fax-server or a store-and-forward facility
- H04N1/32411—Handling instructions for routing or relaying
- H04N1/32416—Storage of instructions or retrieval of prestored instructions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/0008—Connection or combination of a still picture apparatus with another apparatus
- H04N2201/0015—Control of image communication with the connected apparatus, e.g. signalling capability
- H04N2201/002—Selecting or switching between an image communication channel and a non-image communication channel
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/0008—Connection or combination of a still picture apparatus with another apparatus
- H04N2201/0015—Control of image communication with the connected apparatus, e.g. signalling capability
- H04N2201/0024—Converting image communication control signals, e.g. group 3 facsimile protocol signals, to non-image communication control signals or vice versa
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/0008—Connection or combination of a still picture apparatus with another apparatus
- H04N2201/0065—Converting image data to a format usable by the connected apparatus or vice versa
- H04N2201/0067—Converting to still picture data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/0008—Connection or combination of a still picture apparatus with another apparatus
- H04N2201/0065—Converting image data to a format usable by the connected apparatus or vice versa
- H04N2201/0068—Converting from still picture data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/0077—Types of the still picture apparatus
- H04N2201/0086—Image transceiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N2201/3204—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to a user, sender, addressee, machine or electronic recording medium
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N2201/3274—Storage or retrieval of prestored additional information
Abstract
An electronic mail converting apparatus for facsimile of the present invention includes connections connecting to a facsimile, a public network, and a LAN, the connections being internally changed over according to the type of data or an instruction, and converting section means for converting data from facsimile data to e-mail data or vice versa, as required, wherein the converted data is transmitted to an instructed destination.
Description
+ CA 02216427 1997-09-24 SPECIFICATION
ELECTRONIC MAIL COhv~hllN~ APPARATUS FOR FACSIMILE
Technical Field The present invention relates to an electronic mail (e-mail) converting apparatus enabling facsimile data to be transmitted to an e-mail address.
Background Art When a facsimile document is transmitted as an e-mail, it is necessary to have a large scale system, and a special data processing terminal.
Such conventional facsimile communication system includes a one disclosed in Unç~m~ned Published Japanese Patent Application No. 6-164645. FIG. lshows its schematic block diagram. In FIG. 1, a facsimile 100 is connected to a host computer 200 to transmit and receive facsimile data over a public network 300. The facsimile 100 and the host computer200constituteafacsimilecommunicationsystem400.
The facsimile communication system 400 connects to a local area network 500 connected to a personal computer, a workstation, a printer server, a file server, and the like.
Intheconventionalfacsimilecommunicationsystemthus arranged, an operator first places a document to be transmittedonapredeterminedpositionofthefacsimilel00, and enters a mail broadcast command, a mail address, and a broadcastaddressthroughanoperationpanelofthefacsimile 100. This causes the facsimile 100 to broadcast input data ofthetransmit documenttotheinstructedbroadcastaddress, and to direct the host computer 200 to transmit an e-mail the instructed e-mail address. The host computer 200 transmits the transmit document data as an e-mail to the instructed e-mail address according to the instruction from the facsimile 100.
However, the above facsimile communication system is necessary to arrange a special computer interface between the facsimile and the host computer, an data-processing term~n~l. In addition, there is a problem that, when an e-mail address is entered, it must be entered through a specific data-processing terminal. Moreover, when facsimile data is converted into an e-mail format, it is necessary to use a specific host computer or data-processing term~n~l. Furthermore, there are problems in selection of a sender, saving of receiving paper, and privacy protection of the transmit document. Accordingly, it is difficult at present to transmit a facsimile document as an e-mail by utilizing the existing facsimile.
Disclosure of the Invention The present invention is made in view of the above problems, and intended to provide an electronic mail converting apparatus for facsimile which can be switched between facsimile tr~nsmi~sion of a facsimile document and e-mail tr~n~qm~ssion of a facsimile document to an e-mail address, by ~sing an existing facsimile.
The present invention provides an electronic mail converting apparatus ~or facsimile comprising connections connecting to a facsimile, a public network, and a LAN, the connections being internally changed over according to the type of data or an instruction, and converting section means for converting data from facsimile data to e-mail data or vice versa, as required, wherein the converted data is transmitted to an instructed destination.
Accordingtotheconfigurationofthepresentinvention, it is possible to easily change over between ~acsimile transmission of afacsimile document ande-mailtr~nqm1qsion of a facsimile document by using an existing facsimile, or without using a specific data-processing terminal or computer interface. In addition, according to this configuration, it is possible to convert stored facsimile data into an e-mail format, and to convert a telephone number into an e-mail address, whereby transmitting the data converted into the e-mail format to the address of e-mail.
Brief Description of the Drawings FIG. 1 is a schematic diagram showing a conventional apparatus system for transmitting a facsimile document as an e-mail;
FIG. 2 is a schematic diagram showing a configuration of an electronic mail converting apparatus for facsimile of the present invention:
FIG. 3 is a basic block diagram of the electronic mail converting apparatus for facsimile shown in FIG. 2;
FIG. 4 is a:Elowchart wheni~acsimile data is transmitted to an e-mail address;
FIG. 5 is a flowchart when a correspondence table of telephone numbers and e-mail addresses is recognized from data and stored;
FIG. 6 is a correspondence table of telephone numbers and e-mail addresses;
FIG. 7 is a block diagram of a device for receiving an e-mail, converting e-mail data into facsimile data, and transmitting it over a telephone line;
FIG. 8 is a flowchart when e-mail data is converted into and transmitted as facsimile data;
FIG. 9 is a block diagram of a device for converting e-mail data into facsimile data, and transmitting it over a telephone line;
FIG. 10 is a flowchart when a direct inward telephone number transmitted over a telephone line is recognized, and facsimile data is transmitted to an e-mail address corresponding to the direct inward telephone number;
FIG. 11 is a format of an e-mail address book;
FIG. 12 is a flowchart when an e-mail is output through an address listed in the e-mail address book;
~ CA 02216427 1997-09-24 i FIG. 13 is a flowchart when an e-mail is not output through an address listed in the e-mail address book;
FIG.14isaflowchartwhenoutpute~ceedingaprescribed number o~ sheets is controlled;
FIG.15isaflowchartwhenoutputexceedingaprescribed number of sheets is transferred to another line:
FIG. 16 is atableshowingcorrespondencebetweene-mail addresses of a transmitting party and encryption keys;
FIG. 17 is atableshowingcorrespondencebetween e-mail addresses of a receiving party and encryption keys;
FIG. 18 is a ~lowchart when an encryption e-mail is transmitted: and FIG. 19 is a flowchart when an encryption e-mail is received.
Best Mode for Carrying Out the Invention Now, detailed description is given on an embodiment of an electronic mail converting apparatus for facsimile of the present inventionby referringtothedrawings. FIG.2shows environment where the electronic mail converting apparatus for facsimile of the present invention operates. The electronic mail converting apparatus for facsimile of the presentinventionprovidesaninterfacewithatelephoneline and an interface with a LAN. The LAN interface assumes environment where an e-mail can be utilized. In addition, protocol of the LAN is to be Ethernet, but any other protocol may be used.
FIG. 3 is a schematic diagram showing the basic configuration of the apparatus according to the present invention. A CPU 1 is control means for controlling the entire apparatus, and performs predetermined control operations under various programs stored in a ROM 2. In addition, a RAM 3 is used as a memory for program data.
A switch 4 has a ~unction ~or switching between a telephone line Ll and a telephone line L2. A switching portion 5 enables it to switch the telephone line L1 to a facsimileapparatus6andthetelephonelineL2. Inaddition, the switch 4 has a function for switching between the telephone line Ll or L2, and an internal LAN.
A LAN controlling section 7 transmits and receives an e-mail through the LAN. An e-mail format converting section 8 converts facsimile data received over the telephone line Ll into an e-mail format. Accordingly, it is arranged that the facsimile data received over the telephone line L1 is converted into a predetermined format by the e-mail format converting section 8, and the converted data is transmitted to the LAN by the LAN controlling section 7.
A hard disk (HD) 9 is an a~ ry storage for storing the facsimile data and e-mails. The HD 9 is also used for storing a correspondence table of e-mail addresses and telephone numbers. In addition, a modem 10 is a device for modulating and demodulating the data transmitted and received between the telephone line L1 or L2, and the LAN.
FIG. 4 is a flowchart when the facsimile data is transmitted to an e-mail address. First, an operator places a transmit document on a predetermined position of the facsimile apparatus 6, and enters a telephone number through an operation panel of the facsimile apparatus 6. Then, the data is received by the converting apparatus over the telephone line Ll.
When data on the destination telephone number is transmitted to the converting apparatus over the telephone line Ll, the switch 4 recognizes the telephone number (S 11), and determines whether the data of telephone number and subsequent facsimile data are stored in the converting apparatus, or transmitted over the telephone line L2 (S 12).
Then, the determ~nAtion causes the switch 4 to change over the state through the switching portion 5 between sending the data to the telephone lines Ll and L2, and sending data to the LAN.
When the switch 4 determines to storethe facsimile data in the converting apparatus, the e-mail format converting section 8 converts the facsimile data into the e-mail format (S 13). Then, the e-mail format converting section 8 converts the telephone number into an e-mail address according to the correspondence table of the telephone numbers and e-mail addresses previously stored in the HD 9 (S 14). Thereafter, the LAN controllingsection 7 transmits the data converted into the e-mail format to the converted e-mail address (S 15). In the trAn~m~ssion, the modem 10 modulates the-data.
Here, the e-mail format is the facsimile data converted into the TIFF format (format for managing an image with a personal computer), and appended with an MIME header (format for transmitting and receiving data other than text in an e-mail).
On the other hand, when the switch 4 determines not to store the facsimile data in the converting apparatus, it changes over the switching portion 5 to transmit the facsimile data over the telephone line L2 (S 16).
As described above, according to the converting apparatus, it is possible to perform co~mlln1cation with the LAN only through connection with the facsimile, so that e-mail communication can be attained by utilizing the LAN.
That is, without specially providing a computer interface between the facsimile and an information t~.rm~n~l, it is possible by utilizing an existing facsimile apparatus to store the facsimile data received from the locally attached telephone line L1, to transmit it over the telephone line L2 which is PSTN (public switched telephone network), or to transmit it to an e-mail address attached to the LAN or Internet.
The correspondence table of e-mail addresses and destination telephone numbers is stored in the HD 9 as shown in FIG. 5. That is, the LAN controlling section 7 receives an e-mail containing the data of the correspondence table , CA 02216427 1997-09-24 g of e-mail addresses and telephone numbers shown in FIG. 6 through the LAN (S 21), and takes out the data part from the e-mail (S 22). Then, the LAN controlling section 7 recognizes the data of correspondence table from the data part of the e-mail (S 23), and stores the data of correspondence table in the HD 9 (S 24).
Storageofthecorrespondencetableoftelephonenumbers and e-mail addresses enables it to transmit the facsimile data to an e-mail address according to the correspondence table, or to transmit the received e-mail data to the facsimile.
FIG. 7 is a schematic block diagram of a converting apparatus that receives an e-mail, reversely converts the e-mail data into facsimile data, and transmits it over the telephone lineLl or L2. Here, in FIG. 7,parts same as those in FIG. 3 are identified by the same reference numerals, and description on them is omitted.
In FIG. 7, an e-mail format reverse converting section 11 converts data in the e-mail format into facsimile data.
Accordingly, it is arranged that the e-mail format reverse converting section 11 converts the data in the e-mail format into the facsimile data, and it is transmitted over the telephone line Ll or L2 through changing-over of the switching portion 5 in the switch 4. A panel controlling section 12 serves tosendsignalsfrom aten-key 13 withwhich the operator performs the input operation to the CPU 1.
~ CA 02216427 1997-09-24 FIG.8isaflowchartwhentheconvertingapparatusshown in FIG. 7 reoeives an e-mail, converts it from the e-mail data to the facsimile data, and transmits the converted facsimile data. First, when the operator transmits an e-mail, the LAN controlling section 7 receives it through the LAN (S 31), and takes out the data part of the e-mail (S 32).
Then, the LAN controlling section 7 takes out an indication command for the text in the data part of the e-mail (S 33).
Then, the LAN controlling section 7 determines whether the indication command for the text of the e-mail is PRINT
or RELAY (S 34). In this case, if the indication command for the text of the e-mail is PRINT, it is transmitted over the telephone line L1. If the indication command is RELAY, it istransmittedoverthetelephonelineL2. Whentr~n~ssion is performed over the telephone line L1 or L2, the e-mail format reverse converting section 11 converts the data in the e-mail format into the facsimile data. Then, the thus converted facsimile data is transmitted over the telephone line L1 or L2 according to the indication command (S 35, S
36).
With such arrangement, the e-mail data can be transmitted to the existing facsimile by converting the received e-mail data into the facsimile data without need for a special computer interface between an information terminal and a specific facsimile apparatus. In addition, it becomes possible to utilize the existing facsimile as a network printer by transmitting the content of the e-mail ~ CA 02216427 1997-09-24 to the existing facsimile connected to the telephone line L1. -FIG. 9 is a schematic block diagram of a convertingapparatus that, similar to the converting apparatus of FIG.
7, receives an e-mail, reversely converts e-mail data into facsimile data, and transmits it over the telephone line L1 or L2. Here, in FIG. 9, parts same as those in FIG. 3 are identified by the same reference numerals, and description on them is omitted.
In FIG. 9, an direct inward number recognizing section 14 recognizes a direct inward number transmitted over the public network through the telephone line L2. Accordingly, the switch 4 recognizes the sent direct inward number received from the public network, and changes over the switching portion 5 so that It is received in the converting apparatus through the telephone line L2. Then, the direct inward number recognizing section 14 recognizes the direct inward number.
FIG. 10 is a flowchart when the converting apparatus shown in FIG. 9 recognizes the sent direct inward telephone number transmitted over the telephone line L2, and transmits facsimile data to an e-mail address corresponding to the directinwardnumber. First,whentheoperatortransmitsthe direct inward number and the facsimile data, the switch 4 changes over the switching portion 5 to the telephone line L2, whereby the converting apparatus receives the direct inward number and the facsimile data over the public network through the telephone line L2. In this case, the direct inwardnumber~recognizingsection 14 recognizesthe received direct inward number (S 41).
Then, the e-mail format converting section 8 converts the direct inward number into the e-mail address according to the correspondence table of direct inward numbers and e-mail addresses previously stored in the HD 9 (S 42).
Subsequently, the e-mail format converting section 8 converts facsimile data following the direct inward number into the e-mail format (S 43). Thereafter, the LAN
controllingsection7 transmits thefacsimile dataconverted into the e-mail format to the converted e-mail address (S
44). Here, similar to the above, the e-mail format is the facsimile data converted into the TIFF format, and appended with an MIME header.
As described, according to the converting apparatus, it is possible to recognize a direct inward telephone number transmitted over the telephone line L2 through the public network,toconvertthefacsimiledataintothee-mailformat, and to transmit the converted facsimile data to an e-mail address corresponding to the direct inward number.
Now, description is given on a case where an e-mail is output to the facsimile apparatus when an e-mail address of a sender is recognized, and collated with an e-mail address in the e-mail address book.
When the converting apparatus receives an e-mail containing an e-mail address list shown in FIG. 11, for example, when it recognizes that the header information (From) o~ the~e-mail is master, and its Sub~ect is !!$1ist, the text of the e-mail or the e-mail address list is stored intheRAM3andtheHD9asane-mailaddressbook. Thee-mail is output to the facsimile apparatus by using the e-mail address book and the above-mentioned correspondence table.
Here, the e-mail address book is created by defining andobtainingcharacterstringssuchas~masternor n ~ ! $1istn which is never used as an ordinary e-mail address. Thus, it is possible to transmit the e-mail as the facsimile data by using the header information of e-mail, without inherent processing.
Now, the above operation is described by referring to the flowchart shown in FIG. 12, and FIG. 7. When the LAN
controlling section 7 receives an e-mail while the HD 9 contains the e-mail address book, it takes out the e-mail address of the sender from the header information (From) of the e-mail (S 51). Then, the taken out e-mail address is collated with the e-mail address book (S 52). If the same addressisfoundinthee-mailaddressbook,thee-mailformat reverse convertingsection llconvertsthetextof the e-mail into facsimile data, and transmits it to a telephone number corresponding to the e-mail address according to the correspondencetablestoredintheHD9(S53). Inthis case, theswitch4appropriatelychangesovertheswitchingportion 5 depending on the destination telephone number to select the telephone line Ll or L2.
According to such arrangement, since only senders from whom e-mails are desired to be received can be previously registered, it ispossibletoprevent reception of amischief facsimile message or a facsimile message that is indiscriminately transmitted.
Now, a case is described where an e-mail is not received from an address listedin an e-mail address book. Again, the description is given by referring to FIG. 7. FIG. 13 is a flowchart in this case. First, when the LAN controlling section 7 receives an e-mail, it takes out the e-mail address ofthesenderfromtheheaderinformation(From)ofthee-mail (S 61). Then, the taken out e-mail address is collated with the e-mail address book (S 62). If the same address is not found in the e-mail address book, the e-mail format reverse converting section 11 converts the text of the e-mail into facsimile data, and transmits it to a telephone number corresponding to the e-mail address according to the correspondencetablestoredintheHD9(S63). Inthis case, theswitch4appropriatelychangesovertheswitchingportion 5 depending on the destination telephone number to select the telephone line L1 or L2.
In this case, an e-mail address is stored in the HD 9, and,whentheten-key13ispressed(S64),addedtothee-mail address book, which is then used as a new address book (S
65).
According to such arrangement, since it is possible to previouslyregistersendersfromwhome-mailsarenotdesired CA 022l6427 l997-09-24 tobereceived,itispossibletopreventamischieffacsimile message from s-pecific senders. Even if a mischief facsimile message is received, such sender can be rapidly registered.
Now, a case is described where an e-mail is output at or less than the m~ mum output number of sheets of~ the facsimile by referring to the flowchart of FIG. 14 and FIG.
7.
When the converting apparatus receives at the LAN
controlling section 7 an e-mail containing data at the 10 m~ mllm output number of sheets, for example, when it recognizes that the header information (From) of the e-mail is master, and the Sub~ect is l!$pmax, the text o~ the e-mail is stored in the RAM 3 and the HD 9 as the m~mllm output number of sheets. It is determined from the mA~mum output numberofsheetsandthenumberofsheetsofthee-mailwhether or not the e-mail is output to the facsimile.
First, when the LAN controlling section 7 receives an e-mail while the HD 9 contains data at the m~mum output number of sheets, it takes out the number of sheets of the e-mail (S 71), and compares the content of the tag of the text of the e-mail in the TIFF structure (Page Number) with the m~mum output number of sheets. If the content of the tag (Page Number) is larger than the m~mum output number of sheets, it waits for pressing of the ten-key 13 (S 73).
When key 1 is pressed, it means that the number of sheets of the e-mail exceeds the m~mum output number of sheets ofthefacsimile. Then,thee-mailformatreverseconverting section 11 converts the text of the e-mail into facsimile data, and tra~smits the facsimile data to a telephone number corresponding to the e-mail address according to the correspondencetablestoredintheHD9(S74). Inthis case, theswitch4appropriatelychangesovertheswitchingportion 5 depending on the destination telephone number to select the telephone line L1 or LZ. If a key other than key 1 is pressed, the e-mail is notconvertedintothefacsimile data, and transmitted to the facsimile.
Ontheotherhand,ifthecontentofthetag(PageNumber) is smaller than the m~ mum output number of sheets, the e-mailformatreverseconvertingsectionllconvertsthetext of the e-mail into facsimile data, and transmits the facsimile data to a telephone number corresponding to the e-mail address according to the correspondence table stored in the HD 9 (S 74).
Accordlng to such arrangement, lt ls posslble to save number of print paper ln the LAN attached facsimile where the paper cost is higher than the commlln~cation cost.
Now, acaseis describedwhere,whenthenumberofsheets of an e-mail exceeds the maximum output number of sheets, the e-mail is transferred to another e-mail address by referring to the flowchart of FIG. 15 and FIG. 7.
When the LAN controlling section 7 receives an e-mail containing an e-mail address for transfer, for example, when it recognizes that the header information (From) of the e-mail is master, and its Sub~ect is !~$trn, the text of the e-mail or the e-mail address for transfer is stored in the RAM 3 and the~HD 9 as the e-mail address for transfer. When the number of sheets of the e-mail exceeds the m~mllm output number of sheets of the faasimile, the e-mail is transferred to the e-mail address for transfer.
When the LAN controlling section 7 receives an e-mail, it takes out the content of the tag of the text of the e-mail in the TIFF structure (Page Number) (S 81), and determines from the content of the tag and the mA~mllm output number of sheets stored in the HD9 as described above whether or not the e-mail is transferred to the e-mail address for transfer (S 82). When the content of the tag (Page Number) is larger than the m~l mllm output number of sheets, the LAN
controlling section 7 transfers the text of the e-mail to the e-mail address for transfer (S 83).
On the other hand, when the content of the tag (Page Number) is smaller than the m~mllm output number of sheets, the e-mail format reverse converting section 11 converts the text of the e-mail into facsimile data, and transmits the facsimile data to a telephone number corresponding to the e-mail address according to the correspondence table stored in the HD 9 (S 84).
In this arrangement, it is possible to transmit the e-mail to a predetermined e-mail address for transfer even if the content of the tag does not exceed the maximum output number of sheets. This enables it to previously view the content of received documents in mass on a display of a PC, so that the number of sheets of paper can be saved.
Now, description is given on a case where facsimile data is transmitted as an e-mail, and where data o~ an e-mail is transmitted to a facsimile apparatus by referring to FIG.s 16 through 19 and FIG. 7.
When the converting apparatus receives in the LAN
controlling section 7 an e-mail containing an encryption key table for it and an encryption key table for the other party, for example, when it recognizes that the header information (From) of the e-mail is master, and its Sub~ect is !!$myciph, the text of the e-mail is defined as the encryption key table for it shown in FIG. 16. Further, for example, when it recognizes that the header information (From) of the e-mail is master, and its Sub~ect is !!yourciph, the text of the e-mail or the encryption key table for the other party is stored in the RAM 3 and the HD 9, and is defined as the encryption key table for the other party shown in FIG. 17.
FIG. 18 is a flowchart when an encrypted e-mail is transmitted. First, when the operator places a transmit document on a predetermined position of the facsimile apparatus 6, and enters an telephone number through the operation panel of the facsimile apparatus 6, its data is receivedbythe apparatusthroughthetelephonelineL1. If, for example, the telephone number transmitted over the telephone line Ll is #123*890, the destination 123 to which the e-mail is transmittedis takenout fromtelephonenumbers stored in the HD 9 (S 91), and the transmission requester is identified from the telephone number (S 92).
Then, a private key corresponding to 890 in the public encryption key system is taken out ~rom the own encryption key table stored ln the HD 9 shown in FIG. 16 (S 93).
Subsequently, asecret keycorrespondingto123 inthesecret key system is taken out from the encryption key table for the other party stored in the HD 9 shown in FIG. 17 (S 94).
Then, a so-called digest is created by digitizing the facsimile data transmitted following the sent telephone number under apredetermined rule (S 95). The digest is used for checking whether or not the content is tempered as it is received. The digest is then encryptedby theprivate key (S 96). Then, it is determined whether or not the facsimile data is encrypted (S 97).
If it is encrypted, the facsimile data is encrypted by the secret key that is taken out (S 98). The e-mail format converting section 8 converts the encrypted facsimile data into the e-mail format together with associated data, and the LAN controlling section 7 transmits the facsimile data converted into the e-mail format to the destination corresponding to the secret key as an e-mail (S 99). On the otherhand,ifthefacsimiledataisnotencrypted,thee-mail format converting section 8 converts the facsimile data into the e-mail format together with associated data, and the LAN
controllingsection 7 transmitsthefacsimile dataconverted into the e-mail format to the destination corresponding to the secret key (S 99).
FIG. 19 is a flowchart when an encrypted e-mail is received. First, when the operator receives an e-mail, the data is entered into the LAN controlling section 7 of the converting apparatus. In this case, an e-mail address is taken out from the header information (From) of the e-mail (S 101), and a corresponding public key in the public key system and a secret key in the secret key system are taken out fromthe encryption keytablefortheotherparty (S102).
Then, it is determined whether or not the text of the e-mail is encrypted (S 103). If it is encrypted, the text body is decrypted by the secret key (S 104).
Subsequently, a digest A is created by digitizing the facsimile data under a predetermined rule (S 105). In addition, a digest B is created by decrypting an attached digest with a public key (S 106). On the other hand, if the e-mail is not encrypted, a digest A is created by digitizing the text as it is under the predetermined rule (S 105), and a digest B is created by decrypting an attached digest with a public key (S 106).
'Then, it is determined whether or not the digests A and B match by comparing them (S 107). If both digests match, the e-mail format reverse converting section 11 converts the text of the e-mail into facsimile data, and outputs the converted facsimile data to the facsimile (S 108).
CA 022l6427 l997-09-24 In the above, the private key, the secret key, and the public key shown in FIG.s 16 and 17 correspond to specific telephone numbers and e-mail addresses, respectively. In addition, although, in the above, integrity is checked for the contents of the facsimile data before encryption and the data of the decrypted e-mail, it may be checked for the contents of encrypted data and data before decryption.
According to the above arrangement, it is possible to perform operation only to output a document assured for safety even in a network environment where security is critical.
Although the above embodiment is described for a case where one LAN and two telephone lines L1, L2 are attached to the converting apparatus, the present invention is not limited to such arrangement. It may be applied to an environment having two or more LANs and one or more than two telephone lines attached if it is allowed to transmit and receive datain apredeterminedformattoandfromaspecified destination through data conversion between a network transmitting and receiving data based on an e-mail address, and a network transmitting and receiving data based on a telephone number.
As described above, the electronic mail converting apparatus for facsimile according to the present invention can change over between a telephone line and a LAN therein under an instruction, convert data from facsimile data to e-mail data or vice versa, as required, with converting ~ CA 02216427 1997-09-24 section means, andtransmitthe converteddatato aspecified destination.,Therefore, it is possible to change over trAnRm~Rsion of a facsimile document between facsimile transmission and e-mail transmission by using an existing facsimile, without a specific interface.
Industrial Applicability The electronic mail converting apparatus for facsimile according to the present invention is suitable in tr~nqm~Rsion and reception of facsimile data and/or e-mail data between a public network or a facsimile and a LAN by using an existing facsimile apparatus.
ELECTRONIC MAIL COhv~hllN~ APPARATUS FOR FACSIMILE
Technical Field The present invention relates to an electronic mail (e-mail) converting apparatus enabling facsimile data to be transmitted to an e-mail address.
Background Art When a facsimile document is transmitted as an e-mail, it is necessary to have a large scale system, and a special data processing terminal.
Such conventional facsimile communication system includes a one disclosed in Unç~m~ned Published Japanese Patent Application No. 6-164645. FIG. lshows its schematic block diagram. In FIG. 1, a facsimile 100 is connected to a host computer 200 to transmit and receive facsimile data over a public network 300. The facsimile 100 and the host computer200constituteafacsimilecommunicationsystem400.
The facsimile communication system 400 connects to a local area network 500 connected to a personal computer, a workstation, a printer server, a file server, and the like.
Intheconventionalfacsimilecommunicationsystemthus arranged, an operator first places a document to be transmittedonapredeterminedpositionofthefacsimilel00, and enters a mail broadcast command, a mail address, and a broadcastaddressthroughanoperationpanelofthefacsimile 100. This causes the facsimile 100 to broadcast input data ofthetransmit documenttotheinstructedbroadcastaddress, and to direct the host computer 200 to transmit an e-mail the instructed e-mail address. The host computer 200 transmits the transmit document data as an e-mail to the instructed e-mail address according to the instruction from the facsimile 100.
However, the above facsimile communication system is necessary to arrange a special computer interface between the facsimile and the host computer, an data-processing term~n~l. In addition, there is a problem that, when an e-mail address is entered, it must be entered through a specific data-processing terminal. Moreover, when facsimile data is converted into an e-mail format, it is necessary to use a specific host computer or data-processing term~n~l. Furthermore, there are problems in selection of a sender, saving of receiving paper, and privacy protection of the transmit document. Accordingly, it is difficult at present to transmit a facsimile document as an e-mail by utilizing the existing facsimile.
Disclosure of the Invention The present invention is made in view of the above problems, and intended to provide an electronic mail converting apparatus for facsimile which can be switched between facsimile tr~nsmi~sion of a facsimile document and e-mail tr~n~qm~ssion of a facsimile document to an e-mail address, by ~sing an existing facsimile.
The present invention provides an electronic mail converting apparatus ~or facsimile comprising connections connecting to a facsimile, a public network, and a LAN, the connections being internally changed over according to the type of data or an instruction, and converting section means for converting data from facsimile data to e-mail data or vice versa, as required, wherein the converted data is transmitted to an instructed destination.
Accordingtotheconfigurationofthepresentinvention, it is possible to easily change over between ~acsimile transmission of afacsimile document ande-mailtr~nqm1qsion of a facsimile document by using an existing facsimile, or without using a specific data-processing terminal or computer interface. In addition, according to this configuration, it is possible to convert stored facsimile data into an e-mail format, and to convert a telephone number into an e-mail address, whereby transmitting the data converted into the e-mail format to the address of e-mail.
Brief Description of the Drawings FIG. 1 is a schematic diagram showing a conventional apparatus system for transmitting a facsimile document as an e-mail;
FIG. 2 is a schematic diagram showing a configuration of an electronic mail converting apparatus for facsimile of the present invention:
FIG. 3 is a basic block diagram of the electronic mail converting apparatus for facsimile shown in FIG. 2;
FIG. 4 is a:Elowchart wheni~acsimile data is transmitted to an e-mail address;
FIG. 5 is a flowchart when a correspondence table of telephone numbers and e-mail addresses is recognized from data and stored;
FIG. 6 is a correspondence table of telephone numbers and e-mail addresses;
FIG. 7 is a block diagram of a device for receiving an e-mail, converting e-mail data into facsimile data, and transmitting it over a telephone line;
FIG. 8 is a flowchart when e-mail data is converted into and transmitted as facsimile data;
FIG. 9 is a block diagram of a device for converting e-mail data into facsimile data, and transmitting it over a telephone line;
FIG. 10 is a flowchart when a direct inward telephone number transmitted over a telephone line is recognized, and facsimile data is transmitted to an e-mail address corresponding to the direct inward telephone number;
FIG. 11 is a format of an e-mail address book;
FIG. 12 is a flowchart when an e-mail is output through an address listed in the e-mail address book;
~ CA 02216427 1997-09-24 i FIG. 13 is a flowchart when an e-mail is not output through an address listed in the e-mail address book;
FIG.14isaflowchartwhenoutpute~ceedingaprescribed number o~ sheets is controlled;
FIG.15isaflowchartwhenoutputexceedingaprescribed number of sheets is transferred to another line:
FIG. 16 is atableshowingcorrespondencebetweene-mail addresses of a transmitting party and encryption keys;
FIG. 17 is atableshowingcorrespondencebetween e-mail addresses of a receiving party and encryption keys;
FIG. 18 is a ~lowchart when an encryption e-mail is transmitted: and FIG. 19 is a flowchart when an encryption e-mail is received.
Best Mode for Carrying Out the Invention Now, detailed description is given on an embodiment of an electronic mail converting apparatus for facsimile of the present inventionby referringtothedrawings. FIG.2shows environment where the electronic mail converting apparatus for facsimile of the present invention operates. The electronic mail converting apparatus for facsimile of the presentinventionprovidesaninterfacewithatelephoneline and an interface with a LAN. The LAN interface assumes environment where an e-mail can be utilized. In addition, protocol of the LAN is to be Ethernet, but any other protocol may be used.
FIG. 3 is a schematic diagram showing the basic configuration of the apparatus according to the present invention. A CPU 1 is control means for controlling the entire apparatus, and performs predetermined control operations under various programs stored in a ROM 2. In addition, a RAM 3 is used as a memory for program data.
A switch 4 has a ~unction ~or switching between a telephone line Ll and a telephone line L2. A switching portion 5 enables it to switch the telephone line L1 to a facsimileapparatus6andthetelephonelineL2. Inaddition, the switch 4 has a function for switching between the telephone line Ll or L2, and an internal LAN.
A LAN controlling section 7 transmits and receives an e-mail through the LAN. An e-mail format converting section 8 converts facsimile data received over the telephone line Ll into an e-mail format. Accordingly, it is arranged that the facsimile data received over the telephone line L1 is converted into a predetermined format by the e-mail format converting section 8, and the converted data is transmitted to the LAN by the LAN controlling section 7.
A hard disk (HD) 9 is an a~ ry storage for storing the facsimile data and e-mails. The HD 9 is also used for storing a correspondence table of e-mail addresses and telephone numbers. In addition, a modem 10 is a device for modulating and demodulating the data transmitted and received between the telephone line L1 or L2, and the LAN.
FIG. 4 is a flowchart when the facsimile data is transmitted to an e-mail address. First, an operator places a transmit document on a predetermined position of the facsimile apparatus 6, and enters a telephone number through an operation panel of the facsimile apparatus 6. Then, the data is received by the converting apparatus over the telephone line Ll.
When data on the destination telephone number is transmitted to the converting apparatus over the telephone line Ll, the switch 4 recognizes the telephone number (S 11), and determines whether the data of telephone number and subsequent facsimile data are stored in the converting apparatus, or transmitted over the telephone line L2 (S 12).
Then, the determ~nAtion causes the switch 4 to change over the state through the switching portion 5 between sending the data to the telephone lines Ll and L2, and sending data to the LAN.
When the switch 4 determines to storethe facsimile data in the converting apparatus, the e-mail format converting section 8 converts the facsimile data into the e-mail format (S 13). Then, the e-mail format converting section 8 converts the telephone number into an e-mail address according to the correspondence table of the telephone numbers and e-mail addresses previously stored in the HD 9 (S 14). Thereafter, the LAN controllingsection 7 transmits the data converted into the e-mail format to the converted e-mail address (S 15). In the trAn~m~ssion, the modem 10 modulates the-data.
Here, the e-mail format is the facsimile data converted into the TIFF format (format for managing an image with a personal computer), and appended with an MIME header (format for transmitting and receiving data other than text in an e-mail).
On the other hand, when the switch 4 determines not to store the facsimile data in the converting apparatus, it changes over the switching portion 5 to transmit the facsimile data over the telephone line L2 (S 16).
As described above, according to the converting apparatus, it is possible to perform co~mlln1cation with the LAN only through connection with the facsimile, so that e-mail communication can be attained by utilizing the LAN.
That is, without specially providing a computer interface between the facsimile and an information t~.rm~n~l, it is possible by utilizing an existing facsimile apparatus to store the facsimile data received from the locally attached telephone line L1, to transmit it over the telephone line L2 which is PSTN (public switched telephone network), or to transmit it to an e-mail address attached to the LAN or Internet.
The correspondence table of e-mail addresses and destination telephone numbers is stored in the HD 9 as shown in FIG. 5. That is, the LAN controlling section 7 receives an e-mail containing the data of the correspondence table , CA 02216427 1997-09-24 g of e-mail addresses and telephone numbers shown in FIG. 6 through the LAN (S 21), and takes out the data part from the e-mail (S 22). Then, the LAN controlling section 7 recognizes the data of correspondence table from the data part of the e-mail (S 23), and stores the data of correspondence table in the HD 9 (S 24).
Storageofthecorrespondencetableoftelephonenumbers and e-mail addresses enables it to transmit the facsimile data to an e-mail address according to the correspondence table, or to transmit the received e-mail data to the facsimile.
FIG. 7 is a schematic block diagram of a converting apparatus that receives an e-mail, reversely converts the e-mail data into facsimile data, and transmits it over the telephone lineLl or L2. Here, in FIG. 7,parts same as those in FIG. 3 are identified by the same reference numerals, and description on them is omitted.
In FIG. 7, an e-mail format reverse converting section 11 converts data in the e-mail format into facsimile data.
Accordingly, it is arranged that the e-mail format reverse converting section 11 converts the data in the e-mail format into the facsimile data, and it is transmitted over the telephone line Ll or L2 through changing-over of the switching portion 5 in the switch 4. A panel controlling section 12 serves tosendsignalsfrom aten-key 13 withwhich the operator performs the input operation to the CPU 1.
~ CA 02216427 1997-09-24 FIG.8isaflowchartwhentheconvertingapparatusshown in FIG. 7 reoeives an e-mail, converts it from the e-mail data to the facsimile data, and transmits the converted facsimile data. First, when the operator transmits an e-mail, the LAN controlling section 7 receives it through the LAN (S 31), and takes out the data part of the e-mail (S 32).
Then, the LAN controlling section 7 takes out an indication command for the text in the data part of the e-mail (S 33).
Then, the LAN controlling section 7 determines whether the indication command for the text of the e-mail is PRINT
or RELAY (S 34). In this case, if the indication command for the text of the e-mail is PRINT, it is transmitted over the telephone line L1. If the indication command is RELAY, it istransmittedoverthetelephonelineL2. Whentr~n~ssion is performed over the telephone line L1 or L2, the e-mail format reverse converting section 11 converts the data in the e-mail format into the facsimile data. Then, the thus converted facsimile data is transmitted over the telephone line L1 or L2 according to the indication command (S 35, S
36).
With such arrangement, the e-mail data can be transmitted to the existing facsimile by converting the received e-mail data into the facsimile data without need for a special computer interface between an information terminal and a specific facsimile apparatus. In addition, it becomes possible to utilize the existing facsimile as a network printer by transmitting the content of the e-mail ~ CA 02216427 1997-09-24 to the existing facsimile connected to the telephone line L1. -FIG. 9 is a schematic block diagram of a convertingapparatus that, similar to the converting apparatus of FIG.
7, receives an e-mail, reversely converts e-mail data into facsimile data, and transmits it over the telephone line L1 or L2. Here, in FIG. 9, parts same as those in FIG. 3 are identified by the same reference numerals, and description on them is omitted.
In FIG. 9, an direct inward number recognizing section 14 recognizes a direct inward number transmitted over the public network through the telephone line L2. Accordingly, the switch 4 recognizes the sent direct inward number received from the public network, and changes over the switching portion 5 so that It is received in the converting apparatus through the telephone line L2. Then, the direct inward number recognizing section 14 recognizes the direct inward number.
FIG. 10 is a flowchart when the converting apparatus shown in FIG. 9 recognizes the sent direct inward telephone number transmitted over the telephone line L2, and transmits facsimile data to an e-mail address corresponding to the directinwardnumber. First,whentheoperatortransmitsthe direct inward number and the facsimile data, the switch 4 changes over the switching portion 5 to the telephone line L2, whereby the converting apparatus receives the direct inward number and the facsimile data over the public network through the telephone line L2. In this case, the direct inwardnumber~recognizingsection 14 recognizesthe received direct inward number (S 41).
Then, the e-mail format converting section 8 converts the direct inward number into the e-mail address according to the correspondence table of direct inward numbers and e-mail addresses previously stored in the HD 9 (S 42).
Subsequently, the e-mail format converting section 8 converts facsimile data following the direct inward number into the e-mail format (S 43). Thereafter, the LAN
controllingsection7 transmits thefacsimile dataconverted into the e-mail format to the converted e-mail address (S
44). Here, similar to the above, the e-mail format is the facsimile data converted into the TIFF format, and appended with an MIME header.
As described, according to the converting apparatus, it is possible to recognize a direct inward telephone number transmitted over the telephone line L2 through the public network,toconvertthefacsimiledataintothee-mailformat, and to transmit the converted facsimile data to an e-mail address corresponding to the direct inward number.
Now, description is given on a case where an e-mail is output to the facsimile apparatus when an e-mail address of a sender is recognized, and collated with an e-mail address in the e-mail address book.
When the converting apparatus receives an e-mail containing an e-mail address list shown in FIG. 11, for example, when it recognizes that the header information (From) o~ the~e-mail is master, and its Sub~ect is !!$1ist, the text of the e-mail or the e-mail address list is stored intheRAM3andtheHD9asane-mailaddressbook. Thee-mail is output to the facsimile apparatus by using the e-mail address book and the above-mentioned correspondence table.
Here, the e-mail address book is created by defining andobtainingcharacterstringssuchas~masternor n ~ ! $1istn which is never used as an ordinary e-mail address. Thus, it is possible to transmit the e-mail as the facsimile data by using the header information of e-mail, without inherent processing.
Now, the above operation is described by referring to the flowchart shown in FIG. 12, and FIG. 7. When the LAN
controlling section 7 receives an e-mail while the HD 9 contains the e-mail address book, it takes out the e-mail address of the sender from the header information (From) of the e-mail (S 51). Then, the taken out e-mail address is collated with the e-mail address book (S 52). If the same addressisfoundinthee-mailaddressbook,thee-mailformat reverse convertingsection llconvertsthetextof the e-mail into facsimile data, and transmits it to a telephone number corresponding to the e-mail address according to the correspondencetablestoredintheHD9(S53). Inthis case, theswitch4appropriatelychangesovertheswitchingportion 5 depending on the destination telephone number to select the telephone line Ll or L2.
According to such arrangement, since only senders from whom e-mails are desired to be received can be previously registered, it ispossibletoprevent reception of amischief facsimile message or a facsimile message that is indiscriminately transmitted.
Now, a case is described where an e-mail is not received from an address listedin an e-mail address book. Again, the description is given by referring to FIG. 7. FIG. 13 is a flowchart in this case. First, when the LAN controlling section 7 receives an e-mail, it takes out the e-mail address ofthesenderfromtheheaderinformation(From)ofthee-mail (S 61). Then, the taken out e-mail address is collated with the e-mail address book (S 62). If the same address is not found in the e-mail address book, the e-mail format reverse converting section 11 converts the text of the e-mail into facsimile data, and transmits it to a telephone number corresponding to the e-mail address according to the correspondencetablestoredintheHD9(S63). Inthis case, theswitch4appropriatelychangesovertheswitchingportion 5 depending on the destination telephone number to select the telephone line L1 or L2.
In this case, an e-mail address is stored in the HD 9, and,whentheten-key13ispressed(S64),addedtothee-mail address book, which is then used as a new address book (S
65).
According to such arrangement, since it is possible to previouslyregistersendersfromwhome-mailsarenotdesired CA 022l6427 l997-09-24 tobereceived,itispossibletopreventamischieffacsimile message from s-pecific senders. Even if a mischief facsimile message is received, such sender can be rapidly registered.
Now, a case is described where an e-mail is output at or less than the m~ mum output number of sheets of~ the facsimile by referring to the flowchart of FIG. 14 and FIG.
7.
When the converting apparatus receives at the LAN
controlling section 7 an e-mail containing data at the 10 m~ mllm output number of sheets, for example, when it recognizes that the header information (From) of the e-mail is master, and the Sub~ect is l!$pmax, the text o~ the e-mail is stored in the RAM 3 and the HD 9 as the m~mllm output number of sheets. It is determined from the mA~mum output numberofsheetsandthenumberofsheetsofthee-mailwhether or not the e-mail is output to the facsimile.
First, when the LAN controlling section 7 receives an e-mail while the HD 9 contains data at the m~mum output number of sheets, it takes out the number of sheets of the e-mail (S 71), and compares the content of the tag of the text of the e-mail in the TIFF structure (Page Number) with the m~mum output number of sheets. If the content of the tag (Page Number) is larger than the m~mum output number of sheets, it waits for pressing of the ten-key 13 (S 73).
When key 1 is pressed, it means that the number of sheets of the e-mail exceeds the m~mum output number of sheets ofthefacsimile. Then,thee-mailformatreverseconverting section 11 converts the text of the e-mail into facsimile data, and tra~smits the facsimile data to a telephone number corresponding to the e-mail address according to the correspondencetablestoredintheHD9(S74). Inthis case, theswitch4appropriatelychangesovertheswitchingportion 5 depending on the destination telephone number to select the telephone line L1 or LZ. If a key other than key 1 is pressed, the e-mail is notconvertedintothefacsimile data, and transmitted to the facsimile.
Ontheotherhand,ifthecontentofthetag(PageNumber) is smaller than the m~ mum output number of sheets, the e-mailformatreverseconvertingsectionllconvertsthetext of the e-mail into facsimile data, and transmits the facsimile data to a telephone number corresponding to the e-mail address according to the correspondence table stored in the HD 9 (S 74).
Accordlng to such arrangement, lt ls posslble to save number of print paper ln the LAN attached facsimile where the paper cost is higher than the commlln~cation cost.
Now, acaseis describedwhere,whenthenumberofsheets of an e-mail exceeds the maximum output number of sheets, the e-mail is transferred to another e-mail address by referring to the flowchart of FIG. 15 and FIG. 7.
When the LAN controlling section 7 receives an e-mail containing an e-mail address for transfer, for example, when it recognizes that the header information (From) of the e-mail is master, and its Sub~ect is !~$trn, the text of the e-mail or the e-mail address for transfer is stored in the RAM 3 and the~HD 9 as the e-mail address for transfer. When the number of sheets of the e-mail exceeds the m~mllm output number of sheets of the faasimile, the e-mail is transferred to the e-mail address for transfer.
When the LAN controlling section 7 receives an e-mail, it takes out the content of the tag of the text of the e-mail in the TIFF structure (Page Number) (S 81), and determines from the content of the tag and the mA~mllm output number of sheets stored in the HD9 as described above whether or not the e-mail is transferred to the e-mail address for transfer (S 82). When the content of the tag (Page Number) is larger than the m~l mllm output number of sheets, the LAN
controlling section 7 transfers the text of the e-mail to the e-mail address for transfer (S 83).
On the other hand, when the content of the tag (Page Number) is smaller than the m~mllm output number of sheets, the e-mail format reverse converting section 11 converts the text of the e-mail into facsimile data, and transmits the facsimile data to a telephone number corresponding to the e-mail address according to the correspondence table stored in the HD 9 (S 84).
In this arrangement, it is possible to transmit the e-mail to a predetermined e-mail address for transfer even if the content of the tag does not exceed the maximum output number of sheets. This enables it to previously view the content of received documents in mass on a display of a PC, so that the number of sheets of paper can be saved.
Now, description is given on a case where facsimile data is transmitted as an e-mail, and where data o~ an e-mail is transmitted to a facsimile apparatus by referring to FIG.s 16 through 19 and FIG. 7.
When the converting apparatus receives in the LAN
controlling section 7 an e-mail containing an encryption key table for it and an encryption key table for the other party, for example, when it recognizes that the header information (From) of the e-mail is master, and its Sub~ect is !!$myciph, the text of the e-mail is defined as the encryption key table for it shown in FIG. 16. Further, for example, when it recognizes that the header information (From) of the e-mail is master, and its Sub~ect is !!yourciph, the text of the e-mail or the encryption key table for the other party is stored in the RAM 3 and the HD 9, and is defined as the encryption key table for the other party shown in FIG. 17.
FIG. 18 is a flowchart when an encrypted e-mail is transmitted. First, when the operator places a transmit document on a predetermined position of the facsimile apparatus 6, and enters an telephone number through the operation panel of the facsimile apparatus 6, its data is receivedbythe apparatusthroughthetelephonelineL1. If, for example, the telephone number transmitted over the telephone line Ll is #123*890, the destination 123 to which the e-mail is transmittedis takenout fromtelephonenumbers stored in the HD 9 (S 91), and the transmission requester is identified from the telephone number (S 92).
Then, a private key corresponding to 890 in the public encryption key system is taken out ~rom the own encryption key table stored ln the HD 9 shown in FIG. 16 (S 93).
Subsequently, asecret keycorrespondingto123 inthesecret key system is taken out from the encryption key table for the other party stored in the HD 9 shown in FIG. 17 (S 94).
Then, a so-called digest is created by digitizing the facsimile data transmitted following the sent telephone number under apredetermined rule (S 95). The digest is used for checking whether or not the content is tempered as it is received. The digest is then encryptedby theprivate key (S 96). Then, it is determined whether or not the facsimile data is encrypted (S 97).
If it is encrypted, the facsimile data is encrypted by the secret key that is taken out (S 98). The e-mail format converting section 8 converts the encrypted facsimile data into the e-mail format together with associated data, and the LAN controlling section 7 transmits the facsimile data converted into the e-mail format to the destination corresponding to the secret key as an e-mail (S 99). On the otherhand,ifthefacsimiledataisnotencrypted,thee-mail format converting section 8 converts the facsimile data into the e-mail format together with associated data, and the LAN
controllingsection 7 transmitsthefacsimile dataconverted into the e-mail format to the destination corresponding to the secret key (S 99).
FIG. 19 is a flowchart when an encrypted e-mail is received. First, when the operator receives an e-mail, the data is entered into the LAN controlling section 7 of the converting apparatus. In this case, an e-mail address is taken out from the header information (From) of the e-mail (S 101), and a corresponding public key in the public key system and a secret key in the secret key system are taken out fromthe encryption keytablefortheotherparty (S102).
Then, it is determined whether or not the text of the e-mail is encrypted (S 103). If it is encrypted, the text body is decrypted by the secret key (S 104).
Subsequently, a digest A is created by digitizing the facsimile data under a predetermined rule (S 105). In addition, a digest B is created by decrypting an attached digest with a public key (S 106). On the other hand, if the e-mail is not encrypted, a digest A is created by digitizing the text as it is under the predetermined rule (S 105), and a digest B is created by decrypting an attached digest with a public key (S 106).
'Then, it is determined whether or not the digests A and B match by comparing them (S 107). If both digests match, the e-mail format reverse converting section 11 converts the text of the e-mail into facsimile data, and outputs the converted facsimile data to the facsimile (S 108).
CA 022l6427 l997-09-24 In the above, the private key, the secret key, and the public key shown in FIG.s 16 and 17 correspond to specific telephone numbers and e-mail addresses, respectively. In addition, although, in the above, integrity is checked for the contents of the facsimile data before encryption and the data of the decrypted e-mail, it may be checked for the contents of encrypted data and data before decryption.
According to the above arrangement, it is possible to perform operation only to output a document assured for safety even in a network environment where security is critical.
Although the above embodiment is described for a case where one LAN and two telephone lines L1, L2 are attached to the converting apparatus, the present invention is not limited to such arrangement. It may be applied to an environment having two or more LANs and one or more than two telephone lines attached if it is allowed to transmit and receive datain apredeterminedformattoandfromaspecified destination through data conversion between a network transmitting and receiving data based on an e-mail address, and a network transmitting and receiving data based on a telephone number.
As described above, the electronic mail converting apparatus for facsimile according to the present invention can change over between a telephone line and a LAN therein under an instruction, convert data from facsimile data to e-mail data or vice versa, as required, with converting ~ CA 02216427 1997-09-24 section means, andtransmitthe converteddatato aspecified destination.,Therefore, it is possible to change over trAnRm~Rsion of a facsimile document between facsimile transmission and e-mail transmission by using an existing facsimile, without a specific interface.
Industrial Applicability The electronic mail converting apparatus for facsimile according to the present invention is suitable in tr~nqm~Rsion and reception of facsimile data and/or e-mail data between a public network or a facsimile and a LAN by using an existing facsimile apparatus.
Claims (26)
1. An electronic mail converting apparatus for a facsimile, the apparatus comprising:
a receiving device that receives data transmitted by one of a facsimile, a public network, and a LAN:
a recognizing device that recognizes the data received by the receiving device:
a converting device that converts the data into a predetermined format; and a transmitting device that transfers the data to any one of the facsimile, the public network, and the LAN, wherein when the data is electronic mail data received through the LAN, if the number of sheets of the electronic mail is equal to or less than a predetermined maximum output number of sheets, the electronic mail data is transferred to the facsimile, and if the number of sheets of the electronic mail is larger than the maximum output number of sheets, transmission of the electronic mail data is temporarily suspended until an operator inputs a predetermined instruction, wherein the number of sheets of the electronic mail is read from the electronic mail data.
a receiving device that receives data transmitted by one of a facsimile, a public network, and a LAN:
a recognizing device that recognizes the data received by the receiving device:
a converting device that converts the data into a predetermined format; and a transmitting device that transfers the data to any one of the facsimile, the public network, and the LAN, wherein when the data is electronic mail data received through the LAN, if the number of sheets of the electronic mail is equal to or less than a predetermined maximum output number of sheets, the electronic mail data is transferred to the facsimile, and if the number of sheets of the electronic mail is larger than the maximum output number of sheets, transmission of the electronic mail data is temporarily suspended until an operator inputs a predetermined instruction, wherein the number of sheets of the electronic mail is read from the electronic mail data.
2. The apparatus according to claim 1, wherein the number of sheets of the electronic mail is read from a content of a tag in TIFF in the electronic mail data.
3. The apparatus according to claim 1, wherein the maximum output number of sheets is stored in a storage device.
4. The apparatus according to claim 1, wherein if the number of sheets of the electronic mail data is larger than the maximum output number of sheets, the transmission of the electronic mail data is temporarily suspended until a predetermined key is pressed by the operator.
5. The apparatus according to claim 24, wherein the transmission of the electronic mail data is canceled when a key other than the predetermined key is pressed by the operator.
6. The apparatus according to claim 1, wherein the apparatus is connected to the facsimile through a locally attached telephone line.
7. An electronic mail converting apparatus for facsimile, the apparatus comprising:
a receiving device that receives data transmitted by one of a facsimile, a public network, and a LAN;
a recognizing device that recognizes the data received by the receiving device;
a converting device that converts the data into a predetermined format; and a transferring device that transfers the data to any one of the facsimile, the public network, and the LAN, wherein, when the data is electronic mail data received through the LAN, if the number of sheets of the electronic mail is equal to or less than a predetermined output number of sheets, the electronic mail data is transferred to the facsimile, and if the number of sheets of the electronic mail is larger than the predetermined output number, the electronic mail data is transferred to a predetermined electronic mail address through the LAN without being transferred to the facsimile.
a receiving device that receives data transmitted by one of a facsimile, a public network, and a LAN;
a recognizing device that recognizes the data received by the receiving device;
a converting device that converts the data into a predetermined format; and a transferring device that transfers the data to any one of the facsimile, the public network, and the LAN, wherein, when the data is electronic mail data received through the LAN, if the number of sheets of the electronic mail is equal to or less than a predetermined output number of sheets, the electronic mail data is transferred to the facsimile, and if the number of sheets of the electronic mail is larger than the predetermined output number, the electronic mail data is transferred to a predetermined electronic mail address through the LAN without being transferred to the facsimile.
8. The apparatus according to claim 7, wherein the number of sheets of the electronic mail is read from the electronic mail data.
9. The apparatus according to claim 8, wherein the number of sheets of the electronic mail is read from a content of a tag in TIFF in the electronic mail data.
10. The apparatus according to claim 7, wherein the maximum output number of sheets is stored in a storage device.
11. The apparatus according to claim 7, wherein the predetermined electronic mail address is stored in a storage device.
12. The apparatus according to claim 7, wherein the apparatus is connected to the facsimile through a locally attached telephone line.
13. The apparatus according to claim 7, wherein the predetermined electronic mail address is that of a personal computer having a display.
14. A method for converting an electronic mail to facsimile data, the method comprising:
receiving data transmitted by one of a facsimile, a public network and a LAN;
recognizing whether the received data is an electronic mail data through the LAN;
reading the number of sheets of the electronic mail from the electronic mail data;
comparing a number of sheets of the recognized electronic mail data with a predetermined maximum output number of sheets;
converting the electronic mail data into a predetermined format and transferring the converted data to the facsimile when the number of sheets of the recognized electronic mail data is equal to or less than the predetermined maximum output number; and suspending transmission of the electronic mail data to the facsimile until an operator inputs a predetermined instruction when the number of sheets of the electronic mail data is larger than the maximum output number.
receiving data transmitted by one of a facsimile, a public network and a LAN;
recognizing whether the received data is an electronic mail data through the LAN;
reading the number of sheets of the electronic mail from the electronic mail data;
comparing a number of sheets of the recognized electronic mail data with a predetermined maximum output number of sheets;
converting the electronic mail data into a predetermined format and transferring the converted data to the facsimile when the number of sheets of the recognized electronic mail data is equal to or less than the predetermined maximum output number; and suspending transmission of the electronic mail data to the facsimile until an operator inputs a predetermined instruction when the number of sheets of the electronic mail data is larger than the maximum output number.
15. The method according to claim 14, wherein the number of sheets of the electronic mail data is read from TIFF of the electronic mail data.
16. The method according to claim 14, wherein the maximum output number of sheets is stored in a storage device.
17. The method according to claim 14, wherein the transmission of the electronic mail data is suspended until the operator presses a predetermined key.
18. The method according to claim 17, wherein the transmission of the electronic mail data is canceled when a key other than the predetermined key is pressed by the operator.
19. The method according to claim 14, wherein the converted data is transferred to the facsimile by connection to a locally attached telephone line.
20. A method for converting an electronic mail to facsimile data, the method comprising:
receiving data transmitted by one of a facsimile, a public network and a LAN;
recognizing whether the received data is an electronic mail data through the LAN;
comparing a number of sheets of the recognized electronic mail data with a predetermined maximum output number of sheets;
converting the electronic mail data into a predetermined format and transferring the converted data to the facsimile when the number of sheets of the recognized electronic mail data is equal to or less than the predetermined maximum output number; and transferring the electronic mail data to a predetermined mail address through the LAN without being transferred to the facsimile when the number of sheets of the electronic mail data is larger than the maximum output number.
receiving data transmitted by one of a facsimile, a public network and a LAN;
recognizing whether the received data is an electronic mail data through the LAN;
comparing a number of sheets of the recognized electronic mail data with a predetermined maximum output number of sheets;
converting the electronic mail data into a predetermined format and transferring the converted data to the facsimile when the number of sheets of the recognized electronic mail data is equal to or less than the predetermined maximum output number; and transferring the electronic mail data to a predetermined mail address through the LAN without being transferred to the facsimile when the number of sheets of the electronic mail data is larger than the maximum output number.
21. The method according to claim 20 further comprising:
reading the number of sheets of the electronic mail data from the electronic mail data.
reading the number of sheets of the electronic mail data from the electronic mail data.
22. The method according to claim 21, wherein the number of sheets of the electronic mail data is read from TIFF of the electronic mail data.
23. The method according to claim 20, wherein the maximum output number of sheets is stored in a storage device.
24. The method according to claim 20, wherein the predetermined electronic mail address is stored in a storage device.
25. The method according to claim 20, wherein the converted data is transferred to the facsimile by connection to a locally attached telephone line.
26. The method according to claim 20, wherein the predetermined electronic mail address is that of a personal computer having a display.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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JP8-096520 | 1996-04-18 | ||
JP08096520A JP3140366B2 (en) | 1996-04-18 | 1996-04-18 | Email converter for facsimile |
PCT/JP1997/000695 WO1997039568A1 (en) | 1996-04-18 | 1997-03-06 | Electronic mail converter for facsimile |
Publications (2)
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CA2216427A1 CA2216427A1 (en) | 1997-10-18 |
CA2216427C true CA2216427C (en) | 2001-07-31 |
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Application Number | Title | Priority Date | Filing Date |
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CA002216427A Expired - Fee Related CA2216427C (en) | 1996-04-18 | 1997-03-06 | Electronic mail converting apparatus for facsimile |
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US (1) | US6211972B1 (en) |
EP (1) | EP0835021B1 (en) |
JP (1) | JP3140366B2 (en) |
KR (1) | KR19980703497A (en) |
CN (1) | CN1127257C (en) |
CA (1) | CA2216427C (en) |
DE (1) | DE69724898T2 (en) |
WO (1) | WO1997039568A1 (en) |
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CN1189273A (en) | 1998-07-29 |
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