CN1481119A - System and method for controlling electrical applicances in household network - Google Patents
System and method for controlling electrical applicances in household network Download PDFInfo
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- CN1481119A CN1481119A CNA021440646A CN02144064A CN1481119A CN 1481119 A CN1481119 A CN 1481119A CN A021440646 A CNA021440646 A CN A021440646A CN 02144064 A CN02144064 A CN 02144064A CN 1481119 A CN1481119 A CN 1481119A
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Abstract
Multiple electrical appliances are connected to household network. Each appliance informs device control unit of own description information through broadcasting mode. Based description information received, device control unit creates relevant networked virtual information appliances and stores their device description information, and sends the description information in standard format to network server. Based on received device description information, network server creates web page of appliance list and control web page, which are released to user terminal device. Using device list web page in user interface and control web page of information appliance, user sends out command for controlling information appliances. After command is completed, information appliance sends out own newest state to network server through device control unit, letting server update web page.
Description
Technical field
The present invention relates to appliance control system and method in the home network, more particularly, relate to a kind of expansion that adapts to various information household appliances equipment and guarantee to support Information Appliance system and method in the home network of fresh information home appliance.
Background technology
At present, the pattern of unit running is generally adopted in the control of household electrical appliance, controls single household electrical appliance by being arranged on the household electrical appliance button or a remote controller.Along with being on the increase of household electrical appliance, many manufacturers have developed by single universal control devices, it is remote controller, control several different home appliances, though this remote controller can adopt single face to control and order several different home appliances, but those home appliances that comprise their necessary control and command logic at remote controller can only be controlled and order to specific remote controller.For example,, but be not used in the logic of CD equipment, then can not adopt this remote controller to come order and control CD equipment if a remote controller comprises the logic that is used to control television set, video tape recorder, air-conditioning, washing machine, digital-video equipment.In addition, along with the development of home appliance, new home appliance can appear constantly, because new home appliance requires to control and orders when the exploitation remote controller is unknown, so, increase new home appliance after, original remote controller can not the new home appliance of control command.In addition, adopt remote controller control home appliance can not realize Long-distance Control.
Along with computer technology, the communication technology, network technology people, household electrical appliance etc. develop rapidly, people have begun to attempt by home network (or domestic network system) unified management and control home appliance, make the control of home appliance be convenient to operation and energy Long-distance Control, and the notion of information household appliances proposed, information household appliances comprise set-top box (STB), WebTV, PDA, palmtop PC, video game device etc. from broad sense, and all can provide information service or have consumer electronics product (as refrigerator, microwave oven) by network system interactive information ability.Simply understand the implication that information household appliances comprise two aspects: the function of information transfer capability and household electrical appliance.Informational function: product has one or more function serving informations, as: network browsing, video request program, word processing, Email, individual things management etc.; The electrical equipment characteristics: all information household appliances all should possess the characteristics of following similar electrical equipment: be simple and easy to usefulness, cheap, simple and convenient operation and maintenance.
Yet, because the difference of various information household appliances on function and attribute, make in information household appliances equipment and the aspect such as visit information home appliance of identification in the home network, lack the expansion that a control interface unifiedly and flexibly mates information household appliances in the home network, support the fresh information home appliance to add at any time, control and do not need update system.
Summary of the invention
The problems referred to above at the prior art existence, the present invention proposes the Information Appliance system and method in a kind of home network, make home network can adapt to the expansion of various information household appliances equipment and guarantee support the fresh information home appliance, thus efficient, flexibly, the easy control information household electrical appliances of expansion.
According to an aspect of the present invention, provide the method for the information household appliances Equipment Control in a kind of home network, comprised the steps:
(1) the access network interface by each information household appliances is connected to home network with information household appliances equipment, self-described parts by information household appliances generate description document and description document are notified to plant control unit in the mode of broadcasting, and description document comprises the device descriptive information of information household appliances equipment;
(2) by being connected plant control unit between the information household appliances equipment and the webserver, the device descriptive information that makes up corresponding network virtual housed device and preserve the network virtual housed device according to description document from the self-described parts of information household appliances equipment, send confirmation to information household appliances equipment then, and the device descriptive information that will describe the network virtual housed device sends to the webserver with reference format;
(3) be connected the webserver between plant control unit and user's the terminal equipment, the device description of the virtual unit that the slave unit control device reads, generate the information household appliances list of devices page and the information household appliances Equipment Control page, and be distributed to subscriber terminal equipment with the form of webpage;
(4) user is by the final user interface browsing page of subscriber terminal equipment, by the web page access information household electrical appliances, user access device original list at first, webserver slave unit control device obtains the state of current device tabulation and equipment, and according to these information generating device original lists; The user chooses the information household appliances equipment that will control according to the housed device of listing in the list of devices and enters the control page of the information household appliances equipment in selected then, webserver slave unit control device obtains device descriptive information and generates the Equipment Control page, the user passes through the Equipment Control page transmitting apparatus control command that generated, the webserver receives after the described Equipment Control instruction, the Equipment Control instruction is sent to plant control unit, plant control unit is forwarded to control command information household appliances equipment again, and information household appliances equipment is carried out corresponding instruction; Information household appliances equipment is after instruction is complete, and information household appliances equipment feeds back to plant control unit with the last state of oneself, and plant control unit passes to the webserver with the last state of equipment again, thereby makes user's the Equipment Control page obtain upgrading.
In addition, equipment does not need to notify to plant control unit when leaving home network, as long as equipment does not send broadcasting to network in the certain hour section, plant control unit can be classified it as the invalid network equipment automatically, and the descriptor of this locality upgraded with the informing network server, upgrade on user's webpage by the webserver.
In addition, when new information household appliances will add home network, by new information household appliances equipment access network interface information household appliances equipment is connected in the home network, self-described parts by new information household appliances generate description document and description document are notified to plant control unit in the mode of broadcasting, plant control unit sends information judgment device remote address according to new information household appliances, plant control unit and information household appliances connect then, plant control unit obtains fresh information home appliance descriptor, and device descriptive information being kept at local to wait for reading of the webserver, plant control unit sends confirmation to the fresh information household electrical appliances.
And, many information household appliances equipment are distributing in whole home network, these information household appliances equipment are in the different rooms, different user will be enjoyed different authorities to the control of information household appliances equipment, the user is after login, the webserver will show different user interfaces according to user right, and in access means, and the webserver also will be determined the control with equipment of reading of facility information according to the user.
According to a second aspect of the invention, provide the appliance control system in a kind of home network, this control system comprises home appliance, plant control unit, the webserver, subscriber terminal equipment.Home appliance comprises a plurality of information household appliances equipment, each information household appliances equipment all has network insertion parts and self-described parts, by the network insertion parts information household appliances equipment is connected to home network, the self-described parts generate description document and description document are notified to plant control unit in the mode of broadcasting, and description document comprises the device descriptive information of information household appliances equipment.Plant control unit is connected between the information household appliances equipment and the webserver, the plant control unit basis makes up the device descriptive information of corresponding network virtual housed device and preservation network virtual housed device from the description document of the self-described parts of information household appliances equipment, and the device descriptive information of housed device sent to the webserver with reference format, plant control unit receives the control information home appliance instruction from the webserver when the user access information home appliance, and distributes these and instruct the corresponding information home appliance; Information household appliances equipment receives from execution command after the instruction of plant control unit, information household appliances equipment feeds back to plant control unit with the last state of oneself after instruction is complete, plant control unit passes to the webserver with the last state of information household appliances equipment again, thereby makes user's Equipment Control webpage obtain upgrading.The webserver is connected between plant control unit and user's the terminal equipment, reception is from the device descriptive information of the virtual unit of plant control unit, generate information household appliances list of devices webpage and information household appliances Equipment Control page or leaf according to received described device descriptive information, and with the form of webpage institute is generated webpage and be distributed to subscriber terminal equipment, the webserver receives the instruction that information household appliances equipment is controlled that the user sends by the webpage in the subscriber terminal equipment when the user access information home appliance, and the control information home appliance instruction that receives is sent to plant control unit.Subscriber terminal equipment receives the webpage by the transmission of the webserver, the user is by the user interface browsing page of subscriber terminal equipment and by the web page access information housed device, when the user access information home appliance, user access device tabulation webpage at first, the user selects the information household appliances equipment that will control and the control webpage that enters selected equipment according to the information housed device of listing in the list of devices then, webserver slave unit control device obtains the device descriptive information of information household appliances and generates the Equipment Control page, and the Equipment Control page transmitting apparatus control command that the user passes through to be generated is given the webserver.
In addition, subscriber terminal equipment comprises PC or personal information terminal.The device descriptive information of information household appliances equipment comprises attribute, information household appliances equipment state, the instruction of information household appliances basic controlling of information household appliances equipment.Network can be Web network or any suitable network, and webpage can be Web webpage or any suitable webpage.
Because system and method for the present invention can dynamically generate according to the descriptor of equipment for the control interface (being the UI-user interface) of distinct device, make system strengthen support range to equipment with its flexibility; The peculiar user interface of multiple home appliance can dynamically be generated by program, thereby the back compatible that makes system obtains embodying, system can support the adding at any time of novel species kind equipment and control and not need update system, and the user can pass through webpage Remote home appliance, so whole system has a good application prospect.
Description of drawings
Fig. 1 is based on the appliance control system structure chart of web;
Fig. 2 is a list of devices webpage schematic diagram;
Fig. 3 is an Equipment Control webpage schematic diagram;
Fig. 4 is the flow chart that equipment adds appliance network;
Fig. 5 is the flow chart of user capture home appliance.
Embodiment
The structure of the appliance control system in the home network of the present invention is described below in conjunction with accompanying drawing 1.As shown in Figure 1, the appliance control system in the home network of the present invention comprises a plurality of information household appliances equipment, plant control unit, the webserver, subscriber terminal equipment.
Information household appliances equipment is positioned at mechanical floor, information household appliances equipment can be various household electrical appliance, refrigerator for example, microwave oven, air conditioner, television set, illuminator, safety system, washing machine, dishwasher, stereo set, DVD etc., each information household appliances equipment all has network insertion parts and self-described parts, information household appliances equipment is connected to the plant control unit of home network by the network insertion parts, the self-described parts can generate description document and description document is notified to plant control unit in the mode of broadcasting, and description document comprises attribute and the state of home appliance and the basic controlling instruction of information household appliances etc. of home appliance.For example, if information household appliances equipment 1 is added in the home network, at first the network interface by home appliance 1 makes home appliance 1 link to each other with plant control unit, and the description parts of home appliance 1 generate the description document of the device descriptive information that comprises information household appliances and description document is notified to plant control unit in the mode of broadcasting.With the sound equipment is example, and device descriptive information can comprise: implementor name; Device identification; Equipment state (as: current song, volume, the tabulation of existing song); Equipment Control denomination of dive and sign (as: play/suspend, stop, volume increases, volume down).
Plant control unit is connected between the information household appliances equipment and the webserver, be positioned at the control command analytic sheaf, plant control unit mainly contains the function of following several respects: the first, and the device descriptive information that makes up corresponding network virtual information housed device and preserve network virtual information housed device according to description document from the self-described parts of information household appliances equipment; Second device descriptive information with the information housed device sends to the webserver with reference format; The 3rd, receive control information home appliance instruction, and distribute these and instruct the corresponding information home appliance from the webserver; The 4th, at information household appliances equipment when after finishing execution command from the instruction of plant control unit oneself last state being fed back to plant control unit, plant control unit passes to the webserver with the last state of information household appliances equipment again, thereby makes user's Equipment Control webpage obtain upgrading.For example, when information housed device 2 was air conditioner, plant control unit made up the descriptor of corresponding network virtual air conditioner and preservation network virtual air conditioner according to the air conditioner descriptor; When the user capture air conditioner, plant control unit receives the instruction from the control air conditioner of the webserver, and for example, the control room temperature is the instruction of 25 degree, and this instruction is transferred to air conditioner; After receiving this instruction, air conditioner turns round according to this instruction, and air conditioner with oneself last state (just in refrigeration, room temperature etc.) feed back to plant control unit, plant control unit passes to the webserver with the last state of air conditioner again, thereby makes user's Equipment Control webpage obtain upgrading.
The webserver is connected between plant control unit and the subscriber terminal equipment, be positioned at web services layer, reception is from the device descriptive information of the virtual unit of plant control unit, generate information household appliances list of devices webpage according to received described information equipment descriptor, information household appliances Equipment Control page or leaf, and institute is generated information household appliances list of devices webpage with the form of webpage, information household appliances Equipment Control page or leaf is distributed to subscriber terminal equipment, when the user access information home appliance, receive the instruction that information household appliances equipment is controlled that the user sends by the webpage in the subscriber terminal equipment, and the control information home appliance instruction that receives is sent to plant control unit.Webpage of the present invention can be Web webpage or any webpage that other is suitable for, and the webserver of the present invention can be Web server or any webserver that other is suitable for.Fig. 2 shows the schematic diagram of list of devices webpage; Fig. 3 shows the schematic diagram of Equipment Control webpage.
Subscriber terminal equipment is positioned at network control layer, promptly final user interface, and subscriber terminal equipment can comprise PC or personal information terminal etc.Subscriber terminal equipment receives the webpage that is sent by the webserver, the user is by the user interface browsing page of subscriber terminal equipment and by the web page access information housed device, when the user access information home appliance, for example, when visit is the information household appliances equipment of washing machine, user access device tabulation webpage at first, the housed device of listing in the list of devices webpage is chosen the selection washing machine, enter the control webpage of washing machine then, webserver slave unit control device obtains the device descriptive information of washing machine and generates the control page of washing machine, the washing machine control page that the user passes through to be generated sends the control command of control washing machine to the webserver, the webserver is transferred to plant control unit with control command, and plant control unit is issued washing machine with the control washer operation with control command after receiving control command.
Plant control unit plant control unit plant control unit is described household electric appliance control method in the home network of the present invention below in conjunction with Fig. 2 to Fig. 3.
1, the initialization flow process of system.
Because user terminal and equipment all can add whole home network at any time, have certain flexibility, so the initialization flow process of system mainly is meant plant control unit and the initialized flow process of Web server.The order of system unit operation is: (1) plant control unit starts, plant control unit scans network earlier to obtain the description of all devices in the network at initial phase, plant control unit is kept at this locality with these descriptors and waits for that the webserver reads, (2) webserver starts, the webserver is the corresponding module of an initialization in start-up course, except basic network service module, also comprise the data exchange module between Web server and plant control unit, when the terminal access Web page, just can have better real-time property like this.
2. equipment adds the process of home network
Equipment and home network have physical connection, do not represent equipment to add home network, have only when the plant control unit in equipment and the home network has information interchange, and equipment is just calculated real adding home network; The starting stage that adds home network at equipment, equipment is to its attribute of Web broadcast, to allow plant control unit know existing of this equipment and the remote address of the information judgment device that can send according to equipment, plant control unit and equipment connect then, plant control unit obtains device descriptive information, and this descriptor is saved to local to wait for reading of the webserver, plant control unit sends confirmation to equipment, at this moment equipment is just calculated real adding home network, and it is controlled that this means that also equipment becomes.When the user send to obtain current operational outfit list commands by Webpage, the webserver obtained the state of list of devices and equipment with the slave unit control device, thereby generates the list of devices page according to list of devices and state.When the user passes through the concrete facility information of web page access, the webserver obtains the slave unit control device state and the device descriptive information of designated equipment, and dynamically generate the device description webpage according to equipment state and device descriptive information, can specifically control equipment by this web page user.
3. equipment leaves the process of home network
To be equipment with network between plant control unit be connected disconnects in the definition that equipment leaves home network, and equipment becomes uncontrollable attitude, even physical connection continues to keep; Equipment does not need to notify to plant control unit when leaving home network, as long as equipment does not send broadcasting to network in the certain hour section, plant control unit can be classified it as the invalid network equipment automatically, and the descriptor of this locality upgraded with the informing network server, upgrade on user's webpage by the webserver.
4. system work process---the user is to the visit of equipment
The user refers to mainly that to the visit of equipment the user passes through webpage equipment oriented sending controling instruction, the equipment execution command, and the feedback execution result is to the process of the user network page.
The course of work is as follows: when the user wants to control certain information household appliances equipment, for example, when the user wants to control television set, the user is by the user interface browsing page of user terminal, select the access arrangement original list, webserver slave unit control device obtains the state of current device tabulation and equipment, and according to these information generating device original lists; The information household appliances equipment that the selection of user's slave unit original list will be controlled, television set for example, the webserver obtains the device descriptive information of television set and generates the Equipment Control page of television set from the slave unit control device, and user's Equipment Control page that just can pass through the television set that generated is controlled volume, image, channel of this television set etc. like this.For example, if the user wants to control the volume of television set, the user is by just selecting the volume control button of television set at the Equipment Control page of television set, the Equipment Control page transmitting apparatus control command of this television set is just passed through in the instruction that will control tv volume like this, the webserver is sent to plant control unit with control command after receiving this control command, plant control unit is forwarded to control command the information household appliances equipment that this control command will be controlled again, be television set, television set is carried out the instruction of volume control; Instruct complete after, television set feeds back to plant control unit with the last state of oneself, plant control unit passes to the webserver with the last state of television set again, thereby makes user's the Equipment Control page obtain upgrading; The user finishes a control visit of equipment.
5. user right flow process
Many information household appliances owing to distributing in whole home network, these information household appliances are in the different rooms, so be necessary the control of equipment is limited.Different user will be enjoyed different authorities.The user is after login, and the webserver will show different user interfaces according to user right, and in access means, and the webserver also will be determined the control with equipment of reading of facility information according to the user.For example, for the purpose of safety, child is after login, and the webserver will show the user interface that child only can use according to child's authority, and in access means, the webserver also will be determined the control with equipment of reading of facility information according to child's authority.For example, child can only select the part television channel, as education channel, and juvenile's program channel, and can not select only to be fit to the program that the adult watches.
6. system's flow process out of service
Closing of the plant control unit and the webserver just means stopping of whole system, and at this moment equipment becomes stand-alone device, and user's webpage also can't be opened, and system is in halted state.When plant control unit is closed, the user can select to close all operating equipment, also can not change equipment running status, if select not change equipment running status, then equipment can't be controlled from network again, the plant control unit program will be responsible for removing the device descriptive information that is stored on the server, and the webserver just can't obtain the state and the attribute of equipment like this, and user's webpage is also with the equipment that does not have in the display network to move.At this moment close the webserver again and just mean stopping of whole system, the user also can't accessed web page.
Claims (11)
1, the method for the information household appliances Equipment Control in a kind of home network comprises the steps:
(1) the access network interface by each information household appliances equipment is connected to home network with the information home appliance, self-described parts by information household appliances equipment generate description document and description document are notified to plant control unit in the mode of broadcasting, and description document comprises the device descriptive information of information household appliances equipment;
(2) by the plant control unit that is connected between the information household appliances equipment and the webserver, the device descriptive information that makes up corresponding network virtual housed device and preserve the network virtual housed device according to description document from the self-described parts of information household appliances equipment, send confirmation to information household appliances equipment then, and the device descriptive information that will describe the network virtual housed device sends to the webserver with reference format;
(3) be connected the webserver between plant control unit and user's the terminal equipment, the slave unit control device reads the device description of virtual unit, generate the information household appliances list of devices page and the information household appliances Equipment Control page, and be distributed to subscriber terminal equipment with the form of webpage;
(4) user is by the end-user interface browsing page of subscriber terminal equipment, by the web page access information home appliance;
(a) user access information home appliance original list at first, webserver slave unit control device obtain the state of tabulation of current information home appliance and information household appliances equipment, and generate the information household appliances list of devices page according to these information;
(b) user selects the information household appliances equipment that will control according to the information housed device listed in the list of devices then, webserver slave unit control device obtains the descriptor of selected information household appliances equipment and generates the information household appliances Equipment Control page, the information household appliances Equipment Control page that the user passes through to be generated sends the instruction of information household appliances Equipment Control, the webserver receives described information household appliances Equipment Control instruction and afterwards the control command of information household appliances equipment is sent to plant control unit, plant control unit is forwarded to control command information household appliances equipment again, and information household appliances equipment is carried out corresponding instruction;
(c) information household appliances equipment is after instruction is complete, information household appliances equipment feeds back to plant control unit with the last state of oneself, plant control unit passes to the webserver with the last state of information household appliances equipment again, thereby makes user's the information household appliances Equipment Control page obtain upgrading.
2, the method for claim 1, the device descriptive information that it is characterized in that described information household appliances equipment comprise attribute, information household appliances equipment state and the instruction of information household appliances equipment basic controlling of information household appliances equipment.
3, the method for claim 1 is characterized in that user terminal and equipment all are to add whole home network at any time.
4, the method for claim 1, it is characterized in that information household appliances equipment does not need to notify to plant control unit when leaving home network, as long as information household appliances equipment does not send broadcasting to network in the certain hour section, plant control unit can be classified it as the invalid network equipment automatically, and the descriptor of this locality upgraded with the informing network server, upgrade on user's webpage by the webserver.
5, the method of claim 1, new information household appliances equipment it is characterized in that when will add home network, by new information household appliances equipment access network interface information household appliances equipment is connected in the home network, self-described parts by new information household appliances equipment generate description document and description document are notified to plant control unit in the mode of broadcasting, the information judgment device remote address that plant control unit sends according to new information household appliances equipment, plant control unit and information household appliances equipment connect then, plant control unit obtains the descriptor of new information household appliances equipment, and the descriptor of information household appliances equipment being kept at local to wait for reading of the webserver, plant control unit sends confirmation to new information household appliances equipment.
6, the method for claim 1, it is characterized in that many information household appliances that in whole home network, distributing, these information household appliances are in the different rooms, different user will be enjoyed different authorities to the control of equipment, the user is after login, the webserver will show different user interfaces according to user right, and in access means, and the webserver also will be determined the control with equipment of reading of facility information according to the user.
7, as the described method of arbitrary claim of claim 1-6, it is characterized in that described webpage can be the webpage of Web webpage or any kind of, described server can be the Web server or any kind of webserver.
8, the appliance control system in a kind of home network comprises home appliance, plant control unit, the webserver, subscriber terminal equipment, it is characterized in that:
Home appliance comprises a plurality of information household appliances equipment, each information household appliances equipment all has network insertion parts and self-described parts, by the network insertion parts information household appliances equipment is connected to home network, the self-described parts generate description document and description document are notified to plant control unit in the mode of broadcasting, and description document comprises the device descriptive information of information household appliances equipment;
Plant control unit is connected between the information household appliances equipment and the webserver, the device descriptive information that makes up corresponding network virtual information housed device and preserve network virtual information housed device according to description document from the self-described parts of information household appliances equipment, and the device descriptive information of information housed device sent to the webserver with reference format, plant control unit receives the control command from the control information home appliance of the webserver when the user access information home appliance, and distributes described control command to the corresponding information home appliance; Information household appliances equipment receives from execution command after the finger of plant control unit, information household appliances equipment feeds back to plant control unit with the last state of oneself after instruction is complete, plant control unit passes to the webserver with the last state of information household appliances equipment again, thereby makes user's Equipment Control webpage obtain upgrading;
The webserver is connected between plant control unit and the subscriber terminal equipment, reception is from the device descriptive information of the virtual information home appliance of plant control unit, generate information household appliances list of devices webpage and information household appliances Equipment Control page or leaf according to received described device descriptive information, and with the form of webpage institute is generated webpage and be distributed to subscriber terminal equipment, the webserver receives the control command of the control information home appliance that the user sends by the webpage in the subscriber terminal equipment when the user access information home appliance, and the control command of the control information home appliance that receives is sent to plant control unit;
Subscriber terminal equipment receives the webpage by the transmission of the webserver, the user is by user terminal user interface browsing page and by the web page access information housed device, when the user access information home appliance, user access device tabulation webpage at first, the user selects the information household appliances equipment that will control according to the housed device listed in the list of devices then, webserver slave unit control device obtains device descriptive information and generates the information household appliances Equipment Control page, and the send control information control command of home appliance of the information household appliances Equipment Control page that the user passes through to be generated is given web page server.
9, as system as described in the claim 8, it is characterized in that subscriber terminal equipment comprises PC or personal information terminal.
10, as system as described in the claim 8, the device descriptive information that it is characterized in that information household appliances equipment comprises attribute, information household appliances equipment state, the instruction of information household appliances basic controlling of information household appliances equipment.
11, as the described system of arbitrary claim of claim 8-10, it is characterized in that described webpage can be the webpage of Web webpage or any kind of, described server can be the Web server or any kind of webserver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021440646A CN1176536C (en) | 2002-09-29 | 2002-09-29 | System and method for controlling electrical applicances in household network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021440646A CN1176536C (en) | 2002-09-29 | 2002-09-29 | System and method for controlling electrical applicances in household network |
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| Publication Number | Publication Date |
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| CN1481119A true CN1481119A (en) | 2004-03-10 |
| CN1176536C CN1176536C (en) | 2004-11-17 |
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| CNB021440646A Expired - Fee Related CN1176536C (en) | 2002-09-29 | 2002-09-29 | System and method for controlling electrical applicances in household network |
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