CN102582269A - Memory chip and data communication method, consumable container and imaging device of memory chip - Google Patents
Memory chip and data communication method, consumable container and imaging device of memory chip Download PDFInfo
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- CN102582269A CN102582269A CN201210027967XA CN201210027967A CN102582269A CN 102582269 A CN102582269 A CN 102582269A CN 201210027967X A CN201210027967X A CN 201210027967XA CN 201210027967 A CN201210027967 A CN 201210027967A CN 102582269 A CN102582269 A CN 102582269A
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Abstract
The invention provides a memory chip, which comprises a communication portion and an integrated circuit portion, wherein the communication portion and the integrated circuit portion are connected with each other, the integrated circuit portion comprises a controlling unit, a storage unit, an electric power storage unit and a comparing unit, the storage unit is connected with the controlling unit, the electric power storage unit is connected with the storage unit, the comparing unit is connected with the storage unit and the controlling unit and is used for comparing the read-in data sent by an imaging device with the corresponding data in the storage unit, judging whether the data are consistent, and sending the compared results to the controlling unit; and the controlling unit is used for controlling data communication between the imaging device and a memory chip and sending misdata to the imaging device more than once when the imaging device reads back and writes data. The invention also provides a memory chip and data communication method, a consumable container with the memory chip and an imaging device with the memory chip. According to the memory chip and data communication method, the consumable container and the imaging device of the memory chip, the reliability of data communication is improved and usage is facilitated.
Description
Technical field
The present invention relates to a kind of storage chip and data communication method thereof, specifically, relate to a kind of storage chip and data communication method thereof that is used for consumable container, the invention still further relates to consumable container, imaging device with above-mentioned storage chip.
Background technology
The said imaging device of the present invention is meant electrical signal conversion such as literal, patterns on media such as paper, forming the equipment of visual image, for example printer, duplicator, facsimile machine and the all-in-one multifunctional machine of ink-jet approaches or laser class.
Two kinds of printers commonly used are ink-jet printer and laser printer, and ink-jet printer uses the print cartridge that accommodates ink to printer the ink of printing usefulness to be provided as consumable container, needs literal or the pattern printed with formation on paper; Laser printer then uses the cartridge that accommodates carbon dust as consumable container the carbon dust of printing usefulness to be provided to printer; With literal or the pattern that formation on medium need be printed, the image-forming principle of duplicator, facsimile machine and all-in-one multifunctional machine, use consumable container etc. are basic identical with printer.The said consumptive material of the present invention is meant ink or carbon dust.
Like Fig. 1, shown in Figure 2; Storage chip 13 generally all is installed on the housing of consumable container; Storage chip 13 has a substrate 16, and electronic module 17 is installed on substrate 16, the communication operation between electronic module 17 is used to store and the imaging device communication is required data, realization and the imaging device; Comprising the communication part and the integrated circuit part that receive imaging device signal and electric energy; Communication part generally is electric contact or induction coil, includes a memory cell and a control module in the integrated circuit part, the data that produce in data that storage is relevant with consumable container in this memory cell and the print procedure; Comprise: consumable container producer code, consumable container date of manufacture, consumable container model, total printing amount, consumed the initial print time of consumable items allowance, consumable container in number of print pages, the consumable container, lasted a printing operating time etc.; Memory cell generally comprises nonvolatile memory and volatile memory, and nonvolatile memory generally adopts EEPROM or flash etc., and volatile memory generally adopts RAM or SRAM or DDRAM etc.; In the composition structure of said memory cells; Generally also include electricity accumulating unit, when imaging equipment stopped storage chip 13 power supplies, electricity accumulating unit can be used as stand-by power supply and gives storage chip 13 power supplies.Control module is connected with memory cell, is used for the data access operation of control store unit.
When consumable container was installed on the imaging device, the memory cell of imaging device from storage chip 13 read data, judged whether this consumable container is applicable to this imaging device; After consumable container uses a period of time; Imaging device also can read information such as consumable items allowance in this memory cell judging whether and can work on, storage chip 13 through and imaging device between data communication to realize the coupling authentication and the control of the data communication between the imaging device of imaging device and the data message in the course of work be provided; Thus, the data that require to store in storage chip 13 and the imaging device must be synchronous and consistent, and can change effectively in real time.At present, color-image forming apparatus generally all has a plurality of storage chips, is provided with a storage chip on the consumable container of every kind of color, when imaging device sends order, carries out data communication respectively with the storage chip of representing different colours.Yet imaging device can only be visited a storage chip in a time period, and whether its process that storage chip is write data writes afterwards earlier often and reads, write correct with judgement.Because imaging device is very short to the time of storage chip write or read data; If have in the memory cell when writing the slower memory of data speed; Like EEPROM or flash, this moment just often after the write operation order, read the above-mentioned data that write very soon, error in data can appear reading; Data communication makes mistakes between storage chip and the imaging device thereby cause, even can cause the imaging device cease operation.
Summary of the invention
Main purpose of the present invention provides a kind of storage chip that improves the data communication reliability, to remedy the deficiency of above-mentioned prior art.
For realizing above-mentioned purpose; Storage chip provided by the invention comprises communication part and the integrated circuit part that is connected with communication part; This integrated circuit partly comprises control module, memory cell and comparing unit, and memory cell is connected with control module, and comparing unit is connected with control module and memory cell; Whether comparing unit to write data consistent with the corresponding data of memory cell if being used for that the comparison imaging device sends, and comparative result is sent to control module; Control module is used to control the data communication between imaging device and this storage chip, also is used for when imaging device retaking of a year or grade said write data, sends the misdata more than 1 time to imaging device.
Visible by last scheme; Because comparing unit is set in storage chip; When imaging equipment need write this storage chip with data, whether the corresponding data that comparing unit at first relatively writes in the unit of data and storage was identical, if identical; Then do not send update signal, need not the data in the updated stored unit this moment; If different, then send update signal, control module needs the corresponding data in the updated stored unit; If imaging device writes after the data the above-mentioned data that write of retaking of a year or grade again, control module repeatedly sends misdata and gives imaging device, and the number of times of transmission can be controlled in advance and be provided with through number of times in the memory cell; Imaging device then can repeatedly send the instruction of read data; So, prolonged the communication time of imaging device and storage chip, thereby the assurance storage chip is accomplished writing of data in its memory required time; Guaranteeing that data do not write can make mistakes, and has improved the reliability of data communication.
Another object of the present invention has provided a kind of storage chip data communication method; This storage chip is structure as stated, and its data communication method is: when imaging equipment when storage chip writes data, the corresponding data that comparing unit will write in data and the memory cell compares; If comparative result is consistent; Then do not send the signal that Updates Information and give control module,, then send the signal that Updates Information and give control module to carry out write operation if comparative result is inconsistent; When imaging equipment when storage chip reads data, if read the above-mentioned data that write, control module sends after misdata more than 1 time gives imaging device, and the above-mentioned data that write are sent to said imaging device; If not read the above-mentioned data that write, control module sends to imaging device with the corresponding data in the memory cell.
Visible by last scheme, when this method was write data at imaging device, the data that needs are write compared with the corresponding data in the storage chip, when inconsistent, just send the signal that Updates Information, and minimizing repeatedly writes data and the error situation that produces; When imaging device reads data; Repeatedly send misdata and give imaging device, so that imaging device sends the read data order repeatedly, in the above-mentioned time period; Realization is to complete the writing in the memory cell; No matter adopt which kind of memory as memory cell, can both satisfy data in its requirement in the write time with data integrity ground write storage unit, improved the reliability of data communication.
Another purpose of the present invention provides a kind of consumable container, comprises housing, and housing surrounds the cavity that holds consumptive material, and aforesaid storage chip is installed on the outer wall of housing.
Consumable container that this programme provides is owing to be equipped with as above storage chip; Therefore; Can utilize imaging device repeatedly to send the time of reading data command, accomplish data write operation, thereby improve reliability of data communication, the data avoiding causing thus make mistakes memory cell.
Another purpose of the present invention provides a kind of imaging device, comprises image-generating unit and consumable container, and aforesaid storage chip is installed on the consumable container.
Consumable container on the imaging device is provided with aforesaid storage chip; This storage chip is when imaging device reads data and carries out verification; Repeatedly send misdata and give imaging device; Utilize imaging device to send the time period of read data order repeatedly, accomplish data write operation, improved the reliability of data communication greatly.
Description of drawings
Fig. 1 is the logical construction sketch map of existing storage chip.
Fig. 2 is the logical construction sketch map of existing storage chip integrated circuit part.
Fig. 3 is the logical construction sketch map of storage chip embodiment of the present invention.
Fig. 4 is the logical construction sketch map of the integrated circuit part of storage chip embodiment of the present invention.
Fig. 5 is the flow chart of storage chip data communication method embodiment of the present invention.
Fig. 6 is the sketch map of cartridge embodiment of the present invention.
Fig. 7 is the sketch map of printer embodiment of the present invention.
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
The specific embodiment
Storage chip embodiment
Concrete implementation procedure is: when laser printer and this storage chip 23 carry out data communication; Power supply signal or control signal through laser printer give capacitor C 1 charging; Be installed in storage chip 23 on the cartridge through after the laser printer checking, get into duty.When laser printer sends when writing data to this storage chip 23, comparing unit at first writes this that corresponding data compare in data and the memory cell, judges whether unanimity; If it is consistent; Then can not send update signal and give control module, this moment, the value of update signal was 0, otherwise; Send update signal and give control module, this moment, the value of update signal was 1; When laser printer read the data in this storage chip 23, control module judged whether the value of above-mentioned update signal is 1, if; Then send 3 misdatas and give laser printer; This moment, laser printer then can be replied the order of 3 read datas, thus, and in this time period; Control module can be with last partial data write storage unit intactly, avoids the too short and error situation that causes of existing storage chip data write time.
As a kind of conversion of storage chip embodiment of the present invention, memory cell can include only volatile memory, like RAM or SRAM etc.; Also can include only nonvolatile memory, like EEPROM or flash etc.; Above-mentioned conversion can realize the object of the invention equally.
As the another kind of conversion of storage chip embodiment of the present invention, control module can adopt other controllers (like microcontroller MCU), adopts its software design to realize its function; Also can adopt PLD (like CPLD, FPGA etc.) to realize that through hardware programming above-mentioned conversion all can realize the object of the invention.
Another conversion as storage chip embodiment of the present invention; Control module can send 1 time or repeatedly misdata give laser printer; Concrete cycle-index can come through the control data in the memory cell to be provided with in advance; As long as make the time period of above-mentioned error message communication can satisfy the complete minimum time that writes data of this memory chip stores device, above-mentioned conversion all can realize the object of the invention.
As another conversion of storage chip embodiment of the present invention, storage chip 23 can be the contact chip, and at this moment, contact sets receives the signal and the electric energy of printer as communication part,
Its operation principle and implementation procedure and above-mentioned principle and process are similar, and above-mentioned conversion can realize the object of the invention equally.
Another conversion as storage chip embodiment of the present invention; Can comprise in the control module that promising data communication provides the interface unit of agreement or interface; Perhaps with interface unit be arranged on outside the control module, within the electronic module 27; Interface unit is connected with control module, and above-mentioned conversion can realize the object of the invention equally.
Another conversion as storage chip of the present invention; Can adopt update signal is set is that " 1 " or " height " or " renewal " waits other to be worth " the transmission update signal " of replacing in the time need Updating Information; Employing is provided with update signal and waits other to be worth " not the sending update signal " of replacing in the time of need not Updating Information for " 0 " or " low " or " not upgrading "; As long as can make control module when writing data and former storage data consistent; Do not carry out and upgrade operation, above-mentioned conversion all can realize the object of the invention.
Another conversion as storage chip embodiment of the present invention; Can also be used for the print cartridge storage chip, at this moment, what memory cell was deposited is the data relevant with print cartridge; Its structure is similar with present embodiment with operation principle, and this conversion can realize the object of the invention equally.
Storage chip data communication method embodiment
The structure of storage chip 23 such as above-mentioned storage chip embodiment are said in the present embodiment; Its data communication method is: when the laser printer transmission writes data to this storage chip 23; Comparing unit in the storage chip 23 then compares the above-mentioned corresponding data that writes in data and the memory cell, if comparative result is consistent, does not then send the signal that Updates Information and gives control module; Update signal in the control module is 0 at this moment; If comparative result is inconsistent, comparing unit then sends the signal that Updates Information and gives control module to carry out write operation, and this moment, update signal was 1; When laser printer when storage chip 23 reads data; Control module is through judging that whether update signal is 1 to judge whether to read the above-mentioned data that write; If read the above-mentioned data that write; Be that update signal is 1, the control module circulation is sent misdata for 3 times to behind the laser printer, the more above-mentioned data that write is sent to laser printer; If not read the above-mentioned data that write, promptly update signal is 0, and control module sends to laser printer with the corresponding data in the memory cell.Referring to Fig. 5, its concrete steps are following:
S10: beginning; Be that laser printer powers on to storage chip 23, the beginning print job;
S20: judge whether laser printer belongs to read command, if read command then gets into step s30, otherwise, get into step s70; Control module judges whether laser printer need read the data in this storage chip 23, if reading order, the judgement that then gets into next step if not reading order, then gets into step s70 and judges whether write order;
S30: judge that laser printer reads the data that write? If, get into step s50, otherwise, step s40 got into; Judge the laser printer data whether retaking of a year or grade write just now after writing data; If; Then send 3 misdatas and give laser printer; Give storage chip 23 so that laser printer sends read command repeatedly,, then corresponding data is sent to laser printer if not reading the data that write;
S40: send corresponding data, get into step s70;
S50: send 3 times misdata;
S60: send and write data; Send misdata for 3 times to behind the laser printer, need the data that write of retaking of a year or grade to send to laser printer laser printer;
S70: judge that laser printer is a write order? If write order then gets into step s80, otherwise, step s20 got into;
S80: judge whether write data consistent with data in the memory cell? If consistent, then get into step s100, otherwise, get into step s90; Judge that laser printer sends whether write the data of being stored in data and the memory cell consistent, if unanimity need not write data and carry out renewal; Comparing unit does not send update signal; If inconsistent, need Update Information, comparing unit sends update signal;
S90: send update signal, get into step s110;
S100: do not send update signal, get into step s20; When writing data and former storage data consistent, do not carry out and upgrade operation, directly get into the read/write operation judgement that step s20 carries out next round;
S110: carry out write operation, get into step s20.After carrying out write operation/renewal operation, return step s20 and continue to judge that laser printer is read operation or write operation.
A kind of conversion as storage chip data communication method embodiment of the present invention; Can adopt update signal is set is that " 1 " or " height " or " renewal " waits other to be worth to come " transmission update signal " among the replacement step s90; Employing is provided with update signal and waits other to be worth to come " not sending update signal " among the replacement step s100 for " 0 " or " low " or " not upgrading "; As long as can make control module when writing data and former storage data consistent; Do not carry out and upgrade operation, above-mentioned conversion all can realize the object of the invention.
Another kind of conversion as storage chip data communication method embodiment of the present invention; The number of times that misdata is sent in circulation can be for 1 time or repeatedly; Concrete cycle-index can be come to be provided with in advance through the control data in storage chip 23 memory cell; As long as make the time period of above-mentioned error message communication can satisfy the complete minimum time that writes data of these storage chip 23 memories, above-mentioned conversion all can realize the object of the invention.
As another conversion of storage chip data communication method embodiment of the present invention, method provided by the present invention can also be to being installed in ink box chip on the ink-jet printer, and its concrete course of work is identical with said method embodiment.
Cartridge embodiment
Referring to Fig. 6, cartridge comprises housing, and this housing surrounds the cavity that holds carbon dust, and the as above described storage chip 23 of embodiment is installed on the outer wall of housing.
As a kind of conversion of cartridge embodiment of the present invention, can be the print cartridge that above-mentioned storage chip 23 is installed, this print cartridge structure and above-mentioned cartridge structural similarity are equipped with the as above described storage chip 23 of embodiment on its housing outer wall.
Printer embodiment
Laser printer comprises image-generating unit and cartridge, and aforesaid chip is installed on this cartridge, and its structure diagram is referring to Fig. 7, and storage chip 23 is not shown among the figure.
As a kind of conversion of printer embodiment of the present invention, can also be other imaging devices such as duplicator or facsimile machine or all-in-one multifunctional machine etc., above-mentioned conversion can realize the object of the invention equally.
The invention is not restricted to above-mentioned each embodiment and conversion, other also should be included in the protection domain of claim of the present invention based on technical scheme of the present invention and without prejudice to the method and the combination and variation thereof of the object of the invention.
Claims (9)
1. storage chip comprises
Communication part;
The integrated circuit part is connected with said communication part;
Said integrated circuit partly comprises
Control module is used to control the data communication between imaging device and the said storage chip;
Memory cell is connected with said control module;
It is characterized in that:
Said integrated circuit part also comprises the comparing unit that is connected with said control module and said memory cell; Whether said comparing unit to write data consistent with the corresponding data of said memory cell if being used for that more said imaging device sends, and comparative result is sent to said control module; Said control module also is used for when said imaging device retaking of a year or grade said write data, sending the misdata more than 1 time to said imaging device.
2. storage chip as claimed in claim 1 is characterized in that:
Said memory cell comprises volatile memory.
3. storage chip as claimed in claim 1 is characterized in that:
Said memory cell comprises nonvolatile memory.
4. storage chip as claimed in claim 1 is characterized in that:
Said memory cell comprises volatile memory and nonvolatile memory.
5. storage chip as claimed in claim 4 is characterized in that:
Said integrated circuit part also comprises the electricity accumulating unit that is connected with said memory cell.
6. storage chip data communication method, this storage chip comprises
Communication part;
The integrated circuit part that is connected with said communication part;
Said integrated circuit partly comprises
Control module;
The memory cell that is connected with said control module;
It is characterized in that:
Said integrated circuit part also comprises the comparing unit that is connected with said control module and said memory cell;
When imaging equipment when said storage chip writes data; Said comparing unit compares the corresponding data in said write data and the said memory cell; If comparative result is consistent; Then do not send the signal that Updates Information and give said control module,, then send the signal that Updates Information and give said control module to carry out write operation if comparative result is inconsistent;
When said imaging device when said storage chip reads data, if read the said write data, said control module sends after misdata more than 1 time gives said imaging device, and the said write data are sent to said imaging device; If not read the said write data, said control module sends to said imaging device with the corresponding data in the said memory cell.
7. storage chip data communication method as claimed in claim 6 is characterized in that:
Said memory cell comprises volatile memory and nonvolatile memory, and said integrated circuit part also comprises the electricity accumulating unit that is connected with said memory cell;
Said control module writes data into said volatile memory.
8. consumable container comprises housing, and said housing surrounds the cavity that holds consumptive material,
It is characterized in that:
Storage chip as claimed in claim 1 is installed on the outer wall of said housing.
9. imaging device comprises image-generating unit and consumable container,
It is characterized in that:
Storage chip as claimed in claim 1 is installed on the said consumable container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210027967XA CN102582269A (en) | 2012-02-09 | 2012-02-09 | Memory chip and data communication method, consumable container and imaging device of memory chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210027967XA CN102582269A (en) | 2012-02-09 | 2012-02-09 | Memory chip and data communication method, consumable container and imaging device of memory chip |
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| CN102582269A true CN102582269A (en) | 2012-07-18 |
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| CN201210027967XA Pending CN102582269A (en) | 2012-02-09 | 2012-02-09 | Memory chip and data communication method, consumable container and imaging device of memory chip |
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Application publication date: 20120718 |