CN204130178U - A kind of chip and print cartridge - Google Patents
A kind of chip and print cartridge Download PDFInfo
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- CN204130178U CN204130178U CN201420311144.4U CN201420311144U CN204130178U CN 204130178 U CN204130178 U CN 204130178U CN 201420311144 U CN201420311144 U CN 201420311144U CN 204130178 U CN204130178 U CN 204130178U
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- 238000003860 storage Methods 0.000 claims abstract description 122
- 238000004891 communication Methods 0.000 claims abstract description 47
- 239000000976 ink Substances 0.000 description 85
- 238000010586 diagram Methods 0.000 description 7
- 230000008520 organization Effects 0.000 description 6
- 238000007641 inkjet printing Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000013500 data storage Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 241001269238 Data Species 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 238000003384 imaging method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Abstract
The utility model discloses a kind of chip and print cartridge.Described chip comprises: communication module, receives and send data for chip; Memory module, comprising can rewrite data memory block, and each can comprise at least two storage unit in rewrite data memory block, and each can rewrite data memory block store one can rewrite data; Writing controller, it is connected between communication module and memory module, for receive when communication module can rewrite data time, by this can rewrite data write can in storage unit different from the storage unit that the last time writes in rewrite data memory block; Read Controller, it is connected between memory module and communication module, for meeting can rewrite data reading of specified criteria in rewrite data memory block, sends for communication module.The technical solution of the utility model can guarantee to preserve in the memory module of chip nearest twice can rewrite data, can effectively avoid, by the ink amount data of mistake write chip in prior art, after covering ink amount historical data, causing recovering the technical matters of correct ink amount historical data.
Description
Technical field
The utility model relates to printing technical field of imaging, and particularly relating to a kind of read-write can the chip of rewrite data and print cartridge.
Background technology
Pen recorder, such as printer, duplicating machine and facsimile recorder etc., for needing the information of record to be recorded to the recording mediums such as paper by recording materials such as inks.Pen recorder generally includes pen recorder main body and print cartridge.Print cartridge is arranged on pen recorder in removably mode usually, and the chip of the ink such as the consumption be configured with for marking print cartridge ink inside or surplus amount data message.This chip is arranged on print cartridge in removably mode usually, and in be equipped with memory element, so that the consumption or surplus etc. that store ink can rewrite data, and other read-only data relevant to print cartridge.When print cartridge is installed on pen recorder, the chip on print cartridge can be set up with pen recorder and be electrically connected, and carries out exchanges data with pen recorder.
After pen recorder performs the operation such as printing and wait and consume ink, need to upgrade ink amount data such as the consumption of the ink recorded in chip or surpluses.At present, existing pen recorder, usually when by new ink amount data write chip, has carried out more new task in the mode covering original ink amount historical data in chip-stored element.There is certain drawback in this data refresh mode.If carry out in the process of data communication at pen recorder and chip, the new ink amount data transmitted are caused to occur mistake because of the loose contact of the interference of signal transmission or chip and pen recorder, the ink amount data causing chip to receive deviate from the ink amount data that pen recorder sends, so complete more after new task, by the ink amount data of storage errors in chip-stored element, and correct ink amount historical data cannot be reverted to.
Utility model content
In order to solve in prior art the technical matters causing correct ink amount historical data to recover after the ink amount data of write error, the utility model proposes a kind of new chip and print cartridge.
A kind of chip, is characterized in that, comprising:
Communication module, receives for described chip and sends data;
Memory module, it comprises can rewrite data memory block, can comprise at least two storage unit in rewrite data memory block described in each, and described in each can rewrite data memory block store one can rewrite data;
Writing controller, it is connected between described communication module and memory module, for receive when described communication module can rewrite data time, by described in this can rewrite data write is described can in storage unit different from the storage unit that the last time writes in rewrite data memory block;
Read Controller, it is connected between described memory module and communication module, for meeting can rewrite data reading of specified conditions in rewrite data memory block by described, sends for described communication module.
According to embodiment of the present utility model, above-mentioned writing controller can to described in one can the storage unit in rewrite data memory block write in turn can rewrite data.
According to another embodiment of the present utility model, above-mentioned writing controller can from can random selecting storage unit in storage unit different from the storage unit that the last time writes rewrite data memory block described in one, can rewrite data to its write.
According to embodiment of the present utility model, above-mentioned Read Controller to read described in one can in rewrite data memory block in all storage unit can rewrite data, compare, by maximum for its intermediate value or be worth and minimum rewrite data can send to described communication module.
According to embodiment of the present utility model, above-mentionedly rewrite data can to comprise the body of data that will write and correspondingly with it write number of times identification information, described in write number of times identification information writes described storage unit precedence for identifying described body of data.
According to embodiment of the present utility model, above-mentioned writing controller to compare described in one can in rewrite data memory block in all storage unit can rewrite data write number of times identification information, write wherein the minimum storage unit write of number of times identification information value new can rewrite data.
According to embodiment of the present utility model, above-mentioned Read Controller to compare described in one can in rewrite data memory block in all storage unit can rewrite data write number of times identification information, by wherein meeting can rewrite data reading of the storage unit of given sequence conditions, send to described communication module.
Wherein, the described storage unit meeting given sequence conditions can comprise:
The last write can the storage unit of rewrite data, or second from the bottom write can the storage unit of rewrite data.
According to embodiment of the present utility model, above-mentioned one can rewrite data can comprise:
One of one type can rewrite data, or the two or more of same type can rewrite data, or a type can rewrite data and the supplementary that is associated thereof.
In addition, the utility model also provides a kind of print cartridge, it is characterized in that, it is provided with said chip, store in described chip-stored module characterize this print cartridge exhausted amount of ink or surplus can rewrite data.
Compared with prior art, one or more embodiment tool of the present utility model has the following advantages:
The technical scheme that the utility model embodiment provides can chip write ink amount data etc. can rewrite data time, controlled rewrite data to be written in another storage unit different from the storage unit that the last time writes by writing controller, thus can guarantee to preserve in the memory module of chip nearest twice can rewrite data.On the other hand, read by Read Controller and in more all storage unit can rewrite data, can rewrite data by what meet printer specified conditions, as all can rewrite data intermediate value maximum can rewrite data, or write second from the bottom time can rewrite data, send to printer by communication module.Therefore, after by a certain storage unit of the ink amount data of mistake write chip, other storage unit of chip still preserves the correct ink amount historical data of the last write, and correct ink amount data can be read by Read Controller, send to printer, so that the ink amount of printer to chip carries out correct assessment, and then recover the normal work of chip.Other features and advantages of the utility model will be set forth in the following description, and partly become apparent from instructions, or understand by implementing the utility model.The purpose of this utility model and other advantages realize by structure specifically noted in instructions, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for instructions, with embodiment of the present utility model jointly for explaining the utility model, does not form restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the print cartridge that the utility model embodiment provides;
Fig. 2 is the structural representation of the chip that the utility model embodiment provides;
Fig. 3 is the storage organization schematic diagram of the memory module of the chip that the utility model embodiment one provides;
Fig. 4 is the data structure schematic diagram in the storage unit that provides of the utility model embodiment one;
Fig. 5 is the storage organization schematic diagram of the memory module of the chip that the utility model embodiment two provides;
Fig. 6 is the another kind of data structure schematic diagram in the storage unit that provides of the utility model embodiment one.
Embodiment
Below in conjunction with drawings and Examples, the technical solution of the utility model is described in detail.Those skilled in the art is to be understood that, in order to simplified characterization process and make the technical solution of the utility model clearly present, below be only described for ink-jet printer and print cartridge, but the scheme of embodiment describes the pen recorder and corresponding recording materials accommodation container that are equally applicable to other type.
Embodiment one
The structural representation of the print cartridge that Fig. 1 provides for the utility model embodiment.As shown in Figure 1, print cartridge 1 comprises: toner cartridge main body 11, for the ink of storage print; Ink supply 12, is formed on the diapire of toner cartridge main body 11 usually, and is connected with the ink tube of ink-jet printer after print cartridge 1 loads ink-jet printer, thus by the ink transport in toner cartridge main body 11 to the printhead of ink-jet printer; Chip 2, is removably disposed on the outer wall of toner cartridge main body 11, and it sets up with the corresponding contact mechanism of inkjet printing pusher side and is electrically connected after print cartridge 1 loads ink-jet printer, carries out data communication with ink-jet printer.
The structural representation of the chip that Fig. 2 provides for the utility model embodiment.As shown in Figure 2, chip 2 comprises: communication module 210, memory module 220, writing controller 230 and Read Controller 240.Below each module is illustrated respectively.
Communication module 210 connects writing controller 230 and Read Controller 240 respectively, is responsible for the data communication of chip and ink-jet printer.Communication module 210 can comprise the multiple terminals keeping chip to contact with the corresponding contact mechanism of inkjet printing pusher side, and control each terminal and carry out signal exchange to transmit the control circuit of data with the corresponding circuit of inkjet printing pusher side, as the signal analysis and the control circuit that utilize the host-host protocols such as IIC to carry out data transmission, to complete transmission and the receiving function of the data of chip.
Communication module 210 can also comprise the wireless communication signals R-T unit keeping chip and the corresponding circuit of inkjet printing pusher side to carry out radio communication, and control the control circuit of wireless communication signals transmitting-receiving, as utilized Wi-Fi wireless communication module or NFC near-field communication module, to complete transmission and the reception of data with ink-jet printer.
Memory module 220 connects writing controller 230 and Read Controller 240 respectively, is responsible for storing the data message relevant to print cartridge.These data messages comprise such as ink amount data etc. can rewrite data, and the read-only data such as such as print cartridge date of manufacture.Memory module 220 can adopt common nonvolatile memory, as EEPROM, FLASH, ferroelectric memory etc.
It should be noted that, above-mentioned can rewrite data be the write data that ink-jet printer sends to chip, can be divided into different types further: the data of Write-once, only rewriting data once and the data that can repeatedly rewrite.Such as installed date etc. belongs to the data of Write-once first, lacks black information etc. and belongs to the data of only rewriting once, and ink is measured data etc. and belonged to the data that can repeatedly rewrite.
In addition, in the utility model, comprising in memory module 220 can rewrite data memory block, and each can include at least two storage unit in rewrite data memory block.Each can rewrite data memory block store one can rewrite data, and each can storage unit in rewrite data memory block independent of one another, be independent of each other, all can separately, intactly complete once corresponding can the store tasks of rewrite data.
One in the memory module of the chip that Fig. 3 provides for the utility model embodiment one can the storage organization schematic diagram of rewrite data memory block.In this embodiment, memory module 220 contains one can rewrite data memory block 300 for what deposit ink reservoir volume data, and it comprises two storage unit: the first storage unit 310 and the second storage unit 320.In addition, memory module 220 further comprises other data storage area 400, for storing the read-only datas such as such as print cartridge date of manufacture.Particularly, as shown in Figure 4, store in complete ink amount data 311, second storage unit 320 with rewritable form in the first storage unit 310 and store complete ink amount data 321 with rewritable form.And the value of ink amount data 311 and ink amount data 321 is mutually independent, and can not influence each other.
Writing controller 230 is connected between communication module 210 and memory module 220, and for performing write operation, the write data being responsible for communication module 210 to receive are written in memory module 220.Wherein, when communication module 210 receive can rewrite data time, writing controller 230 can rewrite data write one can in a storage unit in rewrite data memory block.In the present embodiment, writing controller 230 when performing ink amount data write operation, in turn to the first storage unit 310 in rewrite data memory block 300 and the second storage unit 320 writing ink amount data.Particularly, writing controller 230 can arrange register and storage unit flag, such as, write the first storage unit 310 when can represent last execution write operation with " 0 ", when representing last execution write operation with " 1 ", write the second storage unit 320.When performing write operation, the ink amount data that first will write are stored in register, reading cells flag, the storage unit write when determining last execution write operation, and then the ink amount data write that will write with last perform write operation time the storage unit that writes different another storage unit in, complete this write operation.
Read Controller 240 is connected between memory module 220 and communication module 210, for performing read operation, being responsible for the data reading stored in memory module 220 and sending to communication module 210.Wherein, Read Controller 240 perform can rewrite data read operation time, can rewrite data read in rewrite data memory block in all storage unit by one, compare, and rewrite data can send to communication module 210 by what meet specified conditions.Particularly, Read Controller 240 can arrange multiple register and a comparer, for screen meet specified conditions can rewrite data.In the present embodiment, Read Controller 240 is when performing the data reading operation of ink amount, ink amount data 311 in the first storage unit 310 in rewrite data memory block 300 and the ink amount data 321 in the second storage unit 320 can take out respectively and put into the first register and the second register, then the size of these Liang Ge register China and Mexico amount data is compared by comparer, can rewrite data as what satisfy condition using wherein larger ink amount data, send to communication module 210, complete this read operation.Certainly, according to the specified conditions of setting, also can rewrite data as what satisfy condition using wherein less ink amount data, send to communication module 210.
In the present embodiment, two storage unit can be contained in rewrite data memory block.When communication module receive that pen recorder transmits new can rewrite data time, writing controller by this can rewrite data be written to can in storage unit different from the storage unit that the last time writes in rewrite data memory block, also namely writing in turn to two storage unit can rewrite data, thus guarantee to preserve in the memory module of chip nearest twice can rewrite data.When needs read from chip can rewrite data time, Read Controller read can in rewrite data memory block in all storage unit can rewrite data, and compare, rewrite data can send to ink-jet printer by communication module by what meet ink-jet printer specified conditions.When can rewrite data be ink amount data time, the ink amount data of nearest twice are preserved in the memory module of chip, so can effectively avoid, by the ink amount data of mistake write chip in prior art, after covering ink amount historical data, causing recovering the technical matters of correct ink amount historical data.
Certainly, embodiment one only discloses a kind of embodiment of the present utility model.On the basis of this embodiment, following many versions can also be had.
Embodiment two
One in the memory module of the chip that Fig. 5 provides for the utility model embodiment two can the storage organization schematic diagram of rewrite data memory block.In the present embodiment, memory module 220 contains one can rewrite data memory block 500 for what deposit ink reservoir volume data, it comprises plural storage unit.For simplicity, three storage unit are only shown in figure: the first storage unit 510, second storage unit 520 and the 3rd storage unit 530.In addition, memory module 220 further comprises other data storage area 400, for storing the read-only datas such as such as print cartridge date of manufacture.Identical with embodiment one, can each storage unit in rewrite data memory block 500 all be used for depositing ink reservoir volume data, and each storage unit all separately, intactly can complete the storage of once ink amount data.
In the present embodiment, when writing controller 230 performs ink amount data write operation, the mode of similar embodiment one can be adopted, by the storage unit flag of such as " 00 " form mark can be all in rewrite data memory block 500 storage unit, write ink amount data in turn to these storage unit.Or adopt in another way, that is, measuring random selecting storage unit other storage unit of the storage unit of data from being different from the last write ink, writing up-to-date ink amount data to it.For rear a kind of mode, only need by the storage unit of the last write ink of storage unit flag mark amount data, then random selecting storage unit from other storage unit, such as choose the next storage unit adjacent with the storage unit be labeled, to its write ink amount data.
When Read Controller 240 performs the data reading operation of ink amount, also the mode of similar embodiment one can be adopted, ink amount data in rewrite data memory block 500 in all storage unit all can read in register, compare by the value of comparer to ink amount data all in register, can rewrite data by what meet ink-jet printer specified conditions, such as be worth maximum ink amount data, send to communication module 210.Certainly, according to ink-jet printer specified conditions, also can rewrite data as what meet ink-jet printer specified conditions using ink amount data minimum for value, send to communication module 210.
Certainly, described in the present embodiment can rewrite data memory block, also can be store other kind or type can rewrite data can rewrite data memory block.
Embodiment three
Another kind of data structure schematic diagram in the storage unit that Fig. 6 provides for the utility model embodiment one.In the present embodiment, store complete ink amount data with rewritable form in each storage unit and write number of times identification information.Wherein, to measure data corresponding with ink to write number of times identification information, precedence when writing for recording ink amount data.Still be described for the first storage unit 310 and the second storage unit 320 herein.Wherein, first storage unit 310 stores the ink amount data 311 of the last write, the write number of times identification information 312 corresponding with ink amount data 311 is 50, after writing new ink amount data 321 to the second storage unit 320, the write number of times identification information 322 corresponding with ink amount data 321 is updated to 51.Also be that the number of times identification information of writing that two storage unit store show respectively the precedences that data write measured by two ink.
In sum, when store in storage unit simultaneously can rewrite data and write number of times identification information time, writing controller 230 performs write operation, number of times identification information can be write in rewrite data memory block 300 in each storage unit by comparing, determine that the last write can the storage unit of rewrite data, and will write can rewrite data be written to be different from the last write can rewrite data storage unit other storage unit in, such as write in the minimum storage unit of the value of number of times identification information.
In like manner, when store in storage unit simultaneously can rewrite data and write number of times identification information time, when Read Controller 240 performs read operation, can read and can write number of times identification information in rewrite data memory block 300 in all storage unit, therefrom determine to meet given sequence conditions, such as the last or second from the bottom write can the storage unit of rewrite data, by wherein rewrite data can send to communication module 210.
What above three embodiments were mainly introduced is ink-jet printer to chip write or read a kind of can the situation of rewrite data, far be not limited thereto in real work, what ink-jet printer can write simultaneously or read simultaneously two or more to chip can rewrite data.
Embodiment four
Can the situation of rewrite data for needing to write two or more to chip simultaneously, such as write ink amount data and lack the situation of black information simultaneously, can comprise in the memory module of chip multiple can rewrite data memory block.Each can rewrite data memory block can rewrite data for storing one.Each can rewrite data memory block can be storage organization as shown in Fig. 3 or Fig. 5.
One described in the present embodiment can rewrite data, can be one of a certain type can rewrite data, as ink amount data, also can be belong to the two or more of same type can rewrite data, store data as ink amount data code and ink amount data radix-minus-one complement stores data, or, also can be a certain type can rewrite data and the supplementary that is associated thereof, this supplementary also can be rewritten, as ink amount data and with this ink measure data corresponding write number of times identification information.
To write ink amount data to chip and to lack black information simultaneously.Wherein, ink amount data belong to the data that can repeatedly rewrite, and scarce black information only exhausts Shi Caihui in ink amount and rewritten, and belong to the data of only rewriting once.Correspondingly, memory module 220 need to comprise two can rewrite data memory block:
First can be used for depositing ink reservoir volume data in rewrite data memory block, and can comprise two or more storage unit as shown in Fig. 3 or Fig. 5;
Second can be used for storing scarce black information in rewrite data memory block, and can comprise two storage unit as shown in Figure 3.
Can rewrite data memory block for first group, writing controller 230 and Read Controller 240 perform write operation and read operation with the method described in embodiment;
Can rewrite data memory block for second, when writing controller 230 performs write operation, scarce black information is write in two storage unit and do not store in the storage unit of information, Read Controller 240 compares the value in two storage unit, and the value meeting specified conditions is sent to communication module 210.
Those of ordinary skill in the art should be understood that the chip in the utility model embodiment is not limited to above-mentioned four comprising modules, it can also comprise other can realize equally communicate, write and reading and the functional module that stores.Such as replace writing controller and Read Controller with read-write control unit, as long as can realize one can rewrite memory block store one can rewrite data, the discontinuous twice ground write of same storage unit can rewrite data, and by can rewrite data compare in storage unit, export meet specified conditions this technical thought of rewrite data can all belong to technical thought of the present utility model.
Those of ordinary skill in the art should understand, memory module in the utility model embodiment can be a part for a memory element, also can be combined by multiple memory element and form, and the storage size of each storage unit both can be the same or different, the object of the utility model all can be realized.
Those of ordinary skill in the art should understand, writing controller in the utility model embodiment, Read Controller are not limited to above-described composition structure, as long as by feasible circuit structure, realize writing controller control the discontinuous twice ground write of same storage unit can rewrite data, and Read Controller controls can rewrite data compare in storage unit, export meet specified conditions can rewrite data, all can realize the object of the utility model.
Those of ordinary skill in the art should understand, rewrite data a type can be not limited in the utility model embodiment, can be the data of Write-once, only rewriting data once and the data that can repeatedly rewrite, all can solve by storage organization described in the utility model and corresponding writing and reading mode the technical matters causing correct historical data to recover after the data of write error.
In addition, the utility model additionally provides a kind of print cartridge, and it is provided with said chip, store in described chip-stored module characterize this print cartridge exhausted amount of ink or surplus can rewrite data.The utility model embodiment still provides a kind of pen recorder, its can with above-mentioned print cartridge cooperating, be printed as picture.
Obviously, adopt the technical scheme that the utility model embodiment provides, can write can rewrite data time, controlling this by writing controller can rewrite data be written in other storage unit not identical with the storage unit that the last time writes, thus ensure that in the memory module of chip preserve nearest twice can rewrite data, Read Controller by read and in more all storage unit can rewrite data, and can rewrite data by what meet ink-jet printer specified conditions, as all can rewrite data intermediate value maximum can rewrite data, or write second from the bottom time can rewrite data, ink-jet printer is sent to by communication module.When can rewrite data be ink amount data time, the ink amount data of nearest twice are preserved in the memory module of chip, can effectively avoid, by the ink amount data of mistake write chip in prior art, after covering ink amount historical data, causing recovering the technical matters of correct ink amount historical data.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (7)
1. a chip, is characterized in that, comprising:
Communication module, receives for described chip and sends data;
Memory module, it comprises can rewrite data memory block, can comprise at least two storage unit in rewrite data memory block described in each, and described in each can rewrite data memory block store one can rewrite data;
Writing controller, it is connected between described communication module and memory module, for receive when described communication module can rewrite data time, by described in this can rewrite data write is described can in storage unit different from the storage unit that the last time writes in rewrite data memory block;
Read Controller, it is connected between described memory module and communication module, for meeting can rewrite data reading of specified conditions in rewrite data memory block by described, sends for described communication module.
2. chip as claimed in claim 1, is characterized in that:
Described writing controller to described in one can the storage unit in rewrite data memory block write in turn can rewrite data.
3. chip as claimed in claim 1, is characterized in that:
Described writing controller, can rewrite data to its write from can random selecting storage unit in storage unit different from the storage unit that the last time writes rewrite data memory block described in one.
4. the chip as described in claims 1 to 3 any one, is characterized in that:
Described Read Controller to read described in one can in rewrite data memory block in all storage unit can rewrite data, compare, by maximum for its intermediate value or be worth and minimum rewrite data can send to described communication module.
5. chip as claimed in claim 1, is characterized in that:
Describedly rewrite data can to comprise the body of data that will write and write number of times identification information for the precedence that identifies described body of data write storage unit, described writing controller to compare described in one can in rewrite data memory block in all storage unit can rewrite data write number of times identification information, write wherein the minimum storage unit write of number of times identification information value new can rewrite data.
6. chip as claimed in claim 1, is characterized in that:
Describedly rewrite data can to comprise the body of data that will write and write number of times identification information for the precedence that identifies described body of data write storage unit, described Read Controller to compare described in one can in rewrite data memory block in all storage unit can rewrite data write number of times identification information, by wherein meeting can rewrite data reading of the storage unit of given sequence conditions, send to described communication module.
7. a print cartridge, is characterized in that, it is provided with the chip as described in claim 1 ~ 6 any one, store in described chip-stored module characterize this print cartridge exhausted amount of ink or surplus can rewrite data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420311144.4U CN204130178U (en) | 2014-06-11 | 2014-06-11 | A kind of chip and print cartridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420311144.4U CN204130178U (en) | 2014-06-11 | 2014-06-11 | A kind of chip and print cartridge |
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| Publication Number | Publication Date |
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| CN204130178U true CN204130178U (en) | 2015-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420311144.4U Expired - Lifetime CN204130178U (en) | 2014-06-11 | 2014-06-11 | A kind of chip and print cartridge |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015188644A1 (en) * | 2014-06-11 | 2015-12-17 | 珠海艾派克微电子有限公司 | Chip and ink cartridge |
| US11370223B2 (en) | 2017-01-31 | 2022-06-28 | Hewlett-Packard Development Company, L.P. | Accessing memory units in a memory bank |
-
2014
- 2014-06-11 CN CN201420311144.4U patent/CN204130178U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015188644A1 (en) * | 2014-06-11 | 2015-12-17 | 珠海艾派克微电子有限公司 | Chip and ink cartridge |
| US11370223B2 (en) | 2017-01-31 | 2022-06-28 | Hewlett-Packard Development Company, L.P. | Accessing memory units in a memory bank |
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Address after: 519075 area B, 7th floor, building 04, No. 63, Mingzhu North Road, Qianshan, Zhuhai, Guangdong Patentee after: Jihai Microelectronics Co.,Ltd. Address before: 519075 area B, 7th floor, building 04, No. 63, Mingzhu North Road, Qianshan, Zhuhai, Guangdong Patentee before: APEX MICROELECTRONICS Co.,Ltd. |
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Granted publication date: 20150128 |
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| CX01 | Expiry of patent term |