CN102173229B - Chip and authentication method thereof - Google Patents
Chip and authentication method thereof Download PDFInfo
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- CN102173229B CN102173229B CN 201110003126 CN201110003126A CN102173229B CN 102173229 B CN102173229 B CN 102173229B CN 201110003126 CN201110003126 CN 201110003126 CN 201110003126 A CN201110003126 A CN 201110003126A CN 102173229 B CN102173229 B CN 102173229B
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Abstract
The invention provides a chip installed on a consumable container, which is installed in different consumable containers, wherein a plurality of different consumable containers are installed in the same printer. The chip comprises a memory unit, a control unit and an interface unit, wherein the memory unit is used for storing data related to the consumable container, and data to be authenticated is stored in the memory unit; the control unit comprises a control part and an authentication part; the control part is used for controlling the data of the memory unit and access of external data; the authentication part is used for authenticating the data to be authenticated in the adjacent chips; the interface unit is respectively connected with the memory unit and the control unit so as to realize data communication between the memory unit and the control unit and between the memory unit and the printer; and the chip is different from the adjacent chips in delay time. The invention also provides an authentication method of the chip. By adopting the invention, the same type of consumable container and the chip thereof are ensured to be used on one printer, printing quality is ensured and the convenience is brought for users.
Description
Technical field
The present invention relates to a kind of chip structure and authentication method thereof, specifically, relate to the logical construction that is used for a core assembly sheet on the printer material consumption container and mutual authentication method.
Background technology
Printer is as a kind of imaging device; It is used for office space and family more and more widely, and printer generally adopts carbon dust or ink as main printing consumables, and printing consumables is placed in the corresponding consumable container (cartridge or print cartridge etc.); Mostly be provided with chip on the consumable container; For color printer, many independently one group of consumable container are housed usually, the chip on each consumable container all stores the data relevant with consumable container; When many consumable containers are installed in the printer, the chip on it can and printer between carry out data communication or exchanges data; With the cartridge is example, and the chip on the cartridge generally stores fixed datas such as date of manufacture, manufacturer, device code, also stores the variable data that carbon dust consumption, number of print pages, printhead wash number etc. need timely replacement simultaneously; The chip that great majority are installed in cartridge (or print cartridge) belongs to passive storage chip; These chips can only be according to the read-write sequence work of printer; That is to say: chip communicates as slave form and printer; By the printer control chip, the chip on each cartridge (or print cartridge) all exists as single main body form, all adopts man-to-man form with the data communication of printer; I.e. chip and the mutual form of printer; Do not carry out authentication between a consumable container chip and another consumable container chip, therefore such mode can be easy to occur because the print quality that compatibility issue causes descends so that the consumable container that different manufacturers is produced mixes to be used; And, when printer breaks down or print quality decline situation occurs, be difficult to tell be which only or which cartridge (or print cartridge) go wrong, bring great inconvenience for maintenance and use.
Summary of the invention
Main purpose of the present invention provides a kind of authentication each other between each chip of back, chip easy to use of installing, and on same color printer, mixes use with the consumable container of avoiding different manufacturers.
For realizing above-mentioned purpose, chip provided by the invention comprises:
Chip is installed in respectively on the different consumable containers with a plurality of adjacent chips, and a plurality of different consumable containers are installed in the same printer, and this chip comprises
Memory cell is used to store the data relevant with consumable container;
Control module comprises the control section that is used for control store cell data and external data accessing operation;
Interface unit is connected with memory cell and control module respectively, to realize between memory cell and the control module and the data communication between the printer;
Chip and a plurality of adjacent chips have the time delay that has nothing in common with each other;
The memory cell of chip contains by verify data;
The control module of chip also comprises the authentication section of being carried out authentication by verify data in the adjacent chips.
Visible by last scheme, chip of the present invention has the authentication section of a plurality of adjacent chips being carried out authentication, and the quantity of a plurality of adjacent chips can be N-1; Promptly all chip numbers are N; N is the integer greater than 3, and control section makes to have only the chip through detecting authentication to carry out data communication with printer, thereby guarantees that similar consumable container chip could be used on the printer simultaneously; Avoided because the compatibility issue that adopts different manufacturers consumable container chip to be produced; Break down or print quality when descending simultaneously at printer, user's decision problem easily point, user-friendly.
Technical scheme is more specifically: the time delay module that produces time delay is pre-stored in the memory cell.
Owing to when chip encapsulates, through control program the time delay module that each chip produces time delay is pre-stored in the memory cell that writes chip, and guarantees that different chips have different delay time; Therefore; Chip is when carrying out authentication to a plurality of adjacent chips, and the chip the shortest by time delay at first carries out authentication to other adjacent chips, the situation that conflict each other can not take place and disturb; User-friendly, increase work efficiency.
Another object of the present invention provides a kind of authentication method of chip, and the control module of chip internal carries out authentication to a plurality of adjacent chips, has only the consumable container chip through authentication to carry out data communication with said printer.
Visible by above scheme; Method provided by the invention can prevent effectively that the consumable container chip of different manufacturers from using with; Prevent owing to use the situation of the incompatible and print quality decline that is produced with; All chip numbers are N, and promptly the quantity of a plurality of adjacent chips can be N-1, and N is the integer greater than 3; Simultaneously, through the detection authentication of chip, that is to say detection authentication to N adjacent chips to a plurality of adjacent chips; The similar chip that belongs to same producer with the consumable container chip that guarantees to be used in a printer; When breaking down, make things convenient for user's rapidly removing faults, the appearance point of pinpointing the problems.
Description of drawings
Fig. 1 is the structural representation of the present invention's chip.
Fig. 2 is between four chips of chip embodiment of the present invention and the DFD between these four chips and the printer.
Fig. 3 is between the present invention's the chip and N-1 adjacent chips of chip embodiment, the DFD between each chip and the printer.
Fig. 4 is the flow chart of the present invention's chip authentication method embodiment.
Fig. 5 is that the present invention's the chip of chip authentication method embodiment is to the flow chart of N-1 adjacent chips authentication.
The specific embodiment
Chip embodiment
Four cartridges that are installed on the laser printer are respectively black, red, blue, Yellow carbon powder box; All be provided with a chip on each cartridge; The structure of four chips is identical; Fig. 1 is the structural representation according to a carbon powder box chip of the present invention, and it comprises memory cell, control module and interface unit, and memory cell is used to store the data relevant with cartridge; Store in the memory cell by verify data; Memory cell and control module are integrated among the IC, and are connected with interface unit, through data communication between interface unit realization control module and the memory cell and the data communication between memory cell and the printer; Control module includes control section and authentication section; Control section is used to control the accessing operation that memory cell data and external data are carried out, and authentication section is used for being detected by verify data of adjacent other carbon powder box chips of common installation, and whether other carbon powder box chips that carry out data communication with authentication and printer are similar carbon powder box chip; Black carbon powder box chip, red carbon powder box chip, Yellow carbon powder box chip and blue carbon powder box chip have the time delay that has nothing in common with each other; Can be produced time delay by delay circuit; Delay circuit is pre-stored in the control module of each chip when each chip encapsulation; The concrete time delay of each chip is to guarantee that non-interference is suitable when chip carries out authentication; What time delay was the shortest in the present embodiment is black carbon powder box chip, is red carbon powder box chip, Yellow carbon powder box chip and blue carbon powder box chip secondly.
After printer comes into operation or changes cartridge; Whether red carbon powder box, Yellow carbon powder box and blue carbon powder box by the authentication section elder generation authentication of control module in the time delay the shortest black carbon powder box chip is installed on the printer be in place; If other three cartridges are installation in position all; Then by the memory cell of black carbon powder box chip through other three chips of printer interface unit access, its access mode can be referring to Fig. 2, and black carbon powder box chip detects authentication to red carbon powder box chip earlier through the interface unit of printer interface unit and red carbon powder box chip; If red carbon powder box chip and black carbon powder box chip belong to the chip of same producer; Then partly send control command, allow red carbon powder box chip and printer to communicate, if do not belong to same producer by black carbon powder box chip controls; The control section of black carbon powder box chip is given an order, and stops red carbon powder box chip and printer to communicate; Next; Black carbon powder box chip detects authentication to Yellow carbon powder box chip again; Its access mode is identical with visit red carbon powder box chip; If Yellow carbon powder box chip and black carbon powder box chip belong to same producer, the control section of black carbon powder box chip is given an order to allow Yellow carbon powder box chip and printer communication, if do not belong to same producer; The control section of black carbon powder box chip sends to Yellow carbon powder box chip through the printer interface unit with control command, communicates to stop Yellow carbon powder box chip and printer; Next; Black carbon powder box chip detects authentication to blue carbon powder box chip, and its method to Yellow carbon powder box chip or red carbon powder box chip, belongs to same producer as if blue carbon powder box chip and black carbon powder box chip with above-mentioned; The control section of black carbon powder box chip is given an order to allow blue carbon powder box chip and printer communication; If do not belong to same producer, the control section of black carbon powder box chip is given an order, and stops blue carbon powder box chip and printer to communicate; After accomplishing above-mentioned steps, the order that all chips wait printers send is to carry out next step operation; Therefore guaranteed to carry out the similar chip that belongs to same producer of data communication with printer.In the process of above-mentioned detection authentication; The control section of the shortest black carbon powder box chip detects authentication to all the other carbon powder box chips earlier by time delay; If what time delay was the shortest is Yellow carbon powder box chip, then the control section by Yellow carbon powder box chip detects authentication to all the other carbon powder box chips; If the cartridge of installing on the printer is more than four; Still by time delay the shortest carbon powder box chip control section earlier to time delay short carbon powder box chip detect authentication; Then successively to all the other time delays of shorter carbon powder box chip ... Time delay, the shortest carbon powder box chip detected authentication, and the structure of each carbon powder box chip all structure with above-mentioned each carbon powder box chip is identical.
A kind of conversion as chip embodiment of the present invention; Be installed in cartridge on the printer and can be five, six ... N only; Identical among the structure of its each chip and the said chip embodiment; DFD between chip and the chip, between chip and the printer is referring to Fig. 3, and the process of its control module authentication checks and control is also similar, can realize that equally also the present invention guarantees that the cartridge of same producer is applied to the goal of the invention on the printer simultaneously.
Another conversion as chip embodiment of the present invention; Can be produced time delay by a time delay module; And be pre-stored in the memory cell of chip; The chip controls unit reads time delay through interface unit, and all the other structures are identical with authentication method and present embodiment, equally also can realize the object of the invention.
Obviously, the applied consumable container of conceiving according to the present invention of chip can also be a print cartridge, and chip is arranged on the print cartridge, and its printer that is suitable for is an ink-jet printer.
Chip authentication method embodiment
Be installed in four cartridges that the different colours carbon dust is housed on the printer: red, yellow, blue, black, be provided with chip on it, wherein; Have nothing in common with each other the time delay that is pre-stored in each chip in above-mentioned four chip controls unit, and can be produced time delay by delay circuit, and this delay circuit is pre-stored in the control module of each chip when each chip encapsulation; The time delay of black carbon powder box chip is the shortest; Thereafter be followed successively by red carbon powder box chip, Yellow carbon powder box chip, what time delay was the longest is blue carbon powder box chip, and different delay time makes and is installed in each carbon powder box chip on the same printer when carrying out authentication; The situation of phase mutual interference can not take place; Therefore, earlier by in the control module of black carbon powder box chip internal all the other 3 chips being detected and authentication, by red carbon powder box chip all the other 3 chips are detected authentication then; By Yellow carbon powder box chip all the other 3 chips are detected authentication again; At last by time delay the longest blue carbon powder box chip remaining chip is detected authentication, can carry out data communication with printer to guarantee to have only chip through detecting with authentication, each chip is all similar to the method for remaining chip detection authentication; Fig. 4 shows the authentication method flow process of black carbon powder box chip, and the concrete steps of this method are:
S1: beginning; Printer is started working;
S12: whether total number that the control module of chip detects other all chips of communicating by letter with printer data equals 3, if equal then to get into said step s2, otherwise alarm lacks cartridge, and gets into step s7; Whether the control module detection of black carbon powder box chip at this moment is 3 with other all chip numbers of printer communication; Promptly detect whether installation in position of all chips; If equal then to get into next step s2; If be not equal to and promptly do not have whole installation in position, then point out printer to lack cartridge or cartridge is correctly not in place, get into step s7 then and finish; This step is for fear of the certification work that cartridge is begun during installation in position fully takes place, thereby increases work efficiency, and avoids the not caused verification process of installation in position;
S2: the counter i value that said chip is set equals 1; The counter initial value that black carbon powder box chip at first is provided with this chip is 1, and behind the intact chip of black carbon powder box chip detection authentication, the value of counter increases by 1;
S3: whether i chip of control module authentication of said chip stores by verify data, if having promptly through authentication, get into step s4, otherwise entering step s5; Control module by black carbon powder box chip detects authentication red carbon powder box chip, Yellow carbon powder box chip and blue carbon powder box chip successively through chip interface unit and printer interface unit;
S4: the control module of said chip allows to communicate between said i chip and the said printer, gets into step s6; The control module of black carbon powder box chip sends the interface unit of control command through chip interface unit, printer interface unit and i carbon powder box chip, allows to carry out data communication through i the carbon powder box chip and the printer of authentication;
S5: the control module of said chip stops between said i chip and the said printer and communicates; The control module of black carbon powder box chip sends the interface unit of control command through chip interface unit, printer interface unit and i carbon powder box chip, stops i carbon powder box chip and printer to carry out data communication;
S6: the control module of said chip is judged said counter i whether greater than the number of said a plurality of adjacent chips, if then get into step s7, otherwise the value that said counter i is set is from adding 1, i.e. i++ and return step s3; This step is in order to judge whether other 3 carbon powder box chip authentications to be finished; Judge that promptly whether counter i is greater than 3; If there are not whole authentications is that i is not equal to 3; Counter i value is from adding 1 and return step s4 and continue to detect authentication, if other 3 carbon powder box chips all detect authentication be i greater than 3, then get into the next step detection of end;
S7: finish.
The said method flow process is the authentication method of black carbon powder box chip to all the other 3 carbon powder box chips, and red carbon powder box chip or Yellow carbon powder box chip or blue carbon powder box chip are similar to the authentication method and the above-mentioned flow process of other 3 chips, repeat no more here.
As a kind of conversion of chip embodiment of the present invention, said step s12 can omit, and promptly is the method flow that directly adopts step s1, s2 ~ s7, equally also can realize the object of the invention.
Another kind of conversion as chip embodiment of the present invention; Be installed in cartridge on the printer and can be five, six ... N only; Its each chip similar among the authentication method of other adjacent chips and the said chip authentication method embodiment; Its flow process can realize equally also that referring to Fig. 5 the present invention guarantees that the cartridge of same producer is applied to the goal of the invention on the printer simultaneously.
Another conversion as chip embodiment of the present invention; Can be produced time delay by a time delay module, and be pre-stored in the memory cell of chip, and the chip controls unit reads time delay through interface unit; Authentication method is identical with present embodiment, equally also can realize the object of the invention.
Obviously, can also be print cartridge according to applied consumable container in the chip authentication method of the present invention's design, chip is arranged on the print cartridge, and its printer that is suitable for is an ink-jet printer.
The invention is not restricted to the foregoing description 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 structural change of the object of the invention.
Claims (9)
1. chip is respectively installed on the different consumable containers with a plurality of adjacent chips, and a plurality of said consumable containers are installed in the same printer, and said chip comprises
Memory cell is used to store the data relevant with said consumable container;
Control module comprises the control section that is used to control said memory cell data and external data accessing operation;
Interface unit is connected with said memory cell and said control module respectively, to realize between said memory cell and the said control module and the data communication between the printer;
It is characterized in that:
Said chip and a plurality of said adjacent chips have the time delay that has nothing in common with each other;
The memory cell of said chip contains by verify data;
The control module of said chip also comprises the authentication section of being carried out authentication by verify data in the said adjacent chips.
2. chip as claimed in claim 1 is characterized in that:
The time delay module that produces said time delay is pre-stored in the said memory cell.
3. according to claim 1 or claim 2 chip is characterized in that:
Said consumable container is a print cartridge, and said printer is an ink-jet printer.
4. according to claim 1 or claim 2 chip is characterized in that:
Said consumable container is a cartridge, and said printer is a laser printer.
5. the authentication method of chip according to claim 1 is characterized in that:
The control module of said chip internal carries out authentication to a plurality of said adjacent chips, has only the chip through authentication to carry out data communication with said printer.
6. like the authentication method of the said chip of claim 5, it is characterized in that:
The time delay module that produces said time delay is pre-stored in the said memory cell;
The concrete steps of said authentication method are:
S1: beginning;
S2: the counter i value that said chip is set equals 1;
S3: whether i chip of control module authentication of said chip stores by verify data, if having promptly through authentication, get into step s4, otherwise entering step s5;
S4: the control module of said chip allows to communicate between said i chip and the said printer, gets into step s6;
S5: the control module of said chip stops between said i chip and the said printer and communicates;
S6: the control module of said chip is judged said counter i whether greater than total number of all chips, if then get into step s7, otherwise the value that said counter i is set is from adding 1, i.e. i++ and return step s3;
S7: finish.
7. chip authentication method as claimed in claim 6 is characterized in that:
Also comprise the steps: after the said step s1, before the step s2
S12: whether the number that the control module of said chip detects other all chips of communicating by letter with printer data equals total number of a plurality of said adjacent chips, if equal then to get into said step s2, otherwise the warning and get into said step s7 of makeing mistakes.
8. according to claim 5 or 6 or 7 described chip authentication methods, it is characterized in that:
Said consumable container is a print cartridge, and said printer is an ink-jet printer.
9. like claim 5 or 6 or 7 described chip authentication methods, it is characterized in that:
Said consumable container is a cartridge, and said printer is a laser printer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110003126 CN102173229B (en) | 2011-01-07 | 2011-01-07 | Chip and authentication method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110003126 CN102173229B (en) | 2011-01-07 | 2011-01-07 | Chip and authentication method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102173229A CN102173229A (en) | 2011-09-07 |
| CN102173229B true CN102173229B (en) | 2012-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110003126 Expired - Fee Related CN102173229B (en) | 2011-01-07 | 2011-01-07 | Chip and authentication method thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021051314A1 (en) * | 2019-09-18 | 2021-03-25 | 光芯半导体(深圳)有限公司 | Portable inkjet printer |
| CN113103765B (en) * | 2021-04-02 | 2022-07-15 | 杭州旗捷科技有限公司 | Printing consumable authentication method, printing consumable chip, printing consumable and printing system |
| CN113777899A (en) * | 2021-09-18 | 2021-12-10 | 珠海奔图电子有限公司 | Security verification method, consumable chip, consumable and image forming apparatus |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1558829A (en) * | 2001-08-06 | 2004-12-29 | ��������³���о�����˾ | Printing cartridge with an integrated circuit device |
| KR100657327B1 (en) * | 2005-07-25 | 2006-12-14 | 삼성전자주식회사 | Common using printer managing system using rfid and method for the same |
| CN101075876A (en) * | 2007-06-19 | 2007-11-21 | 北京握奇数据系统有限公司 | Physical certifying method and device |
| CN201111157Y (en) * | 2007-09-27 | 2008-09-03 | 北京市邮政科学研究所 | Postage label printer |
| CN101746165A (en) * | 2009-12-22 | 2010-06-23 | 上海威侃电子材料有限公司 | Method for identifying genuine or counterfeit printing consumable material and automatically selecting printing parameters |
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2011
- 2011-01-07 CN CN 201110003126 patent/CN102173229B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1558829A (en) * | 2001-08-06 | 2004-12-29 | ��������³���о�����˾ | Printing cartridge with an integrated circuit device |
| KR100657327B1 (en) * | 2005-07-25 | 2006-12-14 | 삼성전자주식회사 | Common using printer managing system using rfid and method for the same |
| CN101075876A (en) * | 2007-06-19 | 2007-11-21 | 北京握奇数据系统有限公司 | Physical certifying method and device |
| CN201111157Y (en) * | 2007-09-27 | 2008-09-03 | 北京市邮政科学研究所 | Postage label printer |
| CN101746165A (en) * | 2009-12-22 | 2010-06-23 | 上海威侃电子材料有限公司 | Method for identifying genuine or counterfeit printing consumable material and automatically selecting printing parameters |
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| CN102173229A (en) | 2011-09-07 |
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