CN102173229A - Chip and authentication method thereof - Google Patents
Chip and authentication method thereof Download PDFInfo
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- CN102173229A CN102173229A CN 201110003126 CN201110003126A CN102173229A CN 102173229 A CN102173229 A CN 102173229A CN 201110003126 CN201110003126 CN 201110003126 CN 201110003126 A CN201110003126 A CN 201110003126A CN 102173229 A CN102173229 A CN 102173229A
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- chip
- printer
- control module
- carbon powder
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Abstract
The invention provides a chip installed on a consumable container, which is installed in the same printer with a plurality of adjacent chips. 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, printer generally adopts carbon dust or ink as main printing consumables, 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, 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, chip on each cartridge (or print cartridge) all exists as single main body form, all adopt man-to-man form with the data communication of printer, i.e. chip and the mutual form of printer, do not authenticate 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 that a kind of back of installing can authenticate between each chip mutually, chip easy to use, mixes use with the consumable container of avoiding different manufacturers on same color printer.
For achieving the above object, chip provided by the invention comprises:
Chip is installed on the consumable container, is used for being installed in same printer with a plurality of adjacent chips, 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 certified data;
The control module of chip also comprises the authentication section that the certified data in the adjacent chips are authenticated.
By last scheme as seen, chip of the present invention has the authentication section that a plurality of adjacent chips are authenticated, 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, control section makes to have only the chip by detecting authentication to carry out data communication with printer, thereby guarantee 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.
Because when chip encapsulates, by control program the time delay module that each chip produces time delay is pre-stored in the memory cell that writes chip, and guarantee that different chips have different time delay, therefore, chip is when authenticating a plurality of adjacent chips, and the chip the shortest by time delay at first authenticates other adjacent chips, the situation that conflict mutually 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 authenticates a plurality of adjacent chips, has only the consumable container chip by authentication to carry out data communication with described printer.
By above scheme as seen, 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, the quantity that is a plurality of adjacent chips can be N-1, and N is the integer greater than 3; Simultaneously, by 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 the flow chart that the chip of the present invention's chip authentication method embodiment authenticates N-1 adjacent chips.
The specific embodiment
Chip embodiment
Four cartridges that are installed on the laser printer are respectively black, red, blue, the 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, it comprises memory cell, control module and interface unit, memory cell is used to store the data relevant with cartridge, store certified data in the memory cell, memory cell and control module are integrated among the IC, and be connected with interface unit, by 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, authentication section is used for the certified data of adjacent other carbon powder box chips of common installation are detected, 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 authenticates, 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, be installed in red carbon powder box on the printer by the authentication section authentication earlier of control module in the time delay the shortest black carbon powder box chip, whether Yellow carbon powder box and blue carbon powder box be in place, if other three cartridges are installation in position all, then by the memory cell of black carbon powder box chip by other three chips of printer interface unit access, its access mode can be referring to Fig. 2, black carbon powder box chip detects authentication to red carbon powder box chip earlier by 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 by black carbon powder box chip controls, allow red carbon powder box chip and printer to communicate, if do not belong to same producer, 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 by 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, its method with above-mentioned to Yellow carbon powder box chip or red carbon powder box chip, if blue 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 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 finishing 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, 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 by interface unit, all the other structures are identical with authentication method and present embodiment, equally also can realize purpose of the present 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, can be produced time delay by delay circuit, 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, be followed successively by red carbon powder box chip thereafter, Yellow carbon powder box chip, what time delay was the longest is blue carbon powder box chip, make different time delay and be installed in each carbon powder box chip on the same printer when authenticating, 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 authenticate, 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 by the chip that detects and authenticate, each chip is all similar to the method that remaining chip detects 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 enter described step s2, otherwise alarm lacks cartridge, and enters 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 enter next step s2, promptly there are not whole installation in position if be not equal to, it is correctly not in place then to point out printer to lack cartridge or cartridge, enters step s7 then and finishes; 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 described 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 after black carbon powder box chip detection had authenticated a chip, the value of counter increased by 1;
S3: the control module of described chip authenticates i chip and whether stores certified data, if having promptly by authentication, enter step s4, otherwise enters 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 by chip interface unit and printer interface unit;
S4: the control module of described chip allows to communicate between described i chip and the described printer, enters step s6; The control module of black carbon powder box chip sends the interface unit of control command by chip interface unit, printer interface unit and i carbon powder box chip, allows to carry out data communication by i the carbon powder box chip and the printer of authentication;
S5: the control module of described chip stops between described i chip and the described printer and communicates; The control module of black carbon powder box chip sends the interface unit of control command by 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 described chip is judged described counter i whether greater than the number of described a plurality of adjacent chips, if then enter step s7, otherwise the value that described 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 all authentication is not 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 authenticated be i greater than 3, then enter 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 herein.
As a kind of conversion of chip embodiment of the present invention, described step s12 can omit, and promptly is the method flow that directly adopts step s1, s2 ~ s7, equally also can realize purpose of the present 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 by interface unit, authentication method is identical with present embodiment, equally also can realize purpose of the present 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 solution of the present invention and without prejudice to the structural change of the object of the invention.
Claims (9)
1. chip is installed on the consumable container, is used for being installed in same printer with a plurality of adjacent chips, comprises
Memory cell is used to store the data relevant with described consumable container;
Control module comprises the control section that is used to control described memory cell data and external data accessing operation;
Interface unit is connected with described memory cell and described control module respectively, to realize between described memory cell and the described control module and the data communication between the printer;
It is characterized in that:
Described chip and described a plurality of adjacent chips have the time delay that has nothing in common with each other;
The memory cell of described chip contains certified data;
The control module of described chip also comprises the authentication section that the certified data in the described adjacent chips are authenticated.
2. chip as claimed in claim 1 is characterized in that:
The time delay module that produces described time delay is pre-stored in the described memory cell.
3. chip as claimed in claim 1 or 2 is characterized in that:
Described consumable container is a print cartridge, and described printer is an ink-jet printer.
4. chip as claimed in claim 1 or 2 is characterized in that:
Described consumable container is a cartridge, and described printer is a laser printer.
5. the authentication method of chip according to claim 1 is characterized in that:
The control module of described chip internal authenticates described a plurality of adjacent chips, has only the chip by authentication to carry out data communication with described printer.
6. as the authentication method of chip as described in the claim 5, it is characterized in that:
The time delay module that produces described time delay is pre-stored in the described memory cell;
The concrete steps of described authentication method are:
S1: beginning;
S2: the counter i value that described chip is set equals 1;
S3: the control module of described chip authenticates i chip and whether stores certified data, if having promptly by authentication, enter step s4, otherwise enters step s5;
S4: the control module of described chip allows to communicate between described i chip and the described printer, enters step s6;
S5: the control module of described chip stops between described i chip and the described printer and communicates;
S6: the control module of described chip is judged described counter i whether greater than total number of all chips, if then enter step s7, otherwise the value that described 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 described step s1, before the step s2
S12: the control module of described chip detects the total number whether other all chips of communicating by letter with printer data equal described a plurality of adjacent chips, if equal then to enter described step s2, otherwise the warning and enter described step s7 of makeing mistakes.
8. according to claim 5 or 6 or 7 described chip authentication methods, it is characterized in that:
Described consumable container is a print cartridge, and described printer is an ink-jet printer.
9. as claim 5 or 6 or 7 described chip authentication methods, it is characterized in that:
Described consumable container is a cartridge, and described 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 |
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| Publication Number | Publication Date |
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| CN102173229A true CN102173229A (en) | 2011-09-07 |
| CN102173229B 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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Cited By (2)
| 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 |
| CN113103765A (en) * | 2021-04-02 | 2021-07-13 | 杭州旗捷科技有限公司 | Printing consumable authentication method, printing consumable chip, printing consumable and printing system |
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| 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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Patent Citations (5)
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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 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021051314A1 (en) * | 2019-09-18 | 2021-03-25 | 光芯半导体(深圳)有限公司 | Portable inkjet printer |
| CN113103765A (en) * | 2021-04-02 | 2021-07-13 | 杭州旗捷科技有限公司 | Printing consumable authentication method, printing consumable chip, printing consumable and printing system |
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| CN102173229B (en) | 2012-10-31 |
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Granted publication date: 20121031 Termination date: 20210107 |