CN201483890U - Memory chip and ink cartridge provided with same - Google Patents
Memory chip and ink cartridge provided with same Download PDFInfo
- Publication number
- CN201483890U CN201483890U CN2009201337093U CN200920133709U CN201483890U CN 201483890 U CN201483890 U CN 201483890U CN 2009201337093 U CN2009201337093 U CN 2009201337093U CN 200920133709 U CN200920133709 U CN 200920133709U CN 201483890 U CN201483890 U CN 201483890U
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- Prior art keywords
- storage chip
- print cartridge
- volatile memory
- ink
- battery
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Abstract
The utility model relates to a memory chip and an ink cartridge provided with the same. A memory cell in the memory chip comprises a volatile memory which loses data after the power supply is cut off and a battery which continuously provides power supply for the volatile memory. As the battery cannot provide power supply for the volatile memory after running out, the volatile memory loses data after the power supply is cut off, so that the memory chip has a data storage period, and the corresponding memory chip and the ink cartridge provided with the same also have a data storage life and a service life.
Description
Technical field
The utility model is applicable to inkjet printer system, relates in particular to storage chip and the print cartridge that has storage chip.
Background technology
The type information of ink-jet printer on being recorded in ink-jet printer, also be recorded on the storage chip.Wherein, storage chip is generally attached to being installed on the print cartridge that is used on medium forming image in the ink-jet printer, effect be the coupling of control print cartridge and ink-jet printer and in follow-up print procedure the providing of type information.In storage chip, write down initial informations such as relevant print cartridge model, build date, color, ink total amount and the date printed that in follow-up print procedure, obtains, the type informations such as ink surplus in the print cartridge.Store initial informations such as default print cartridge model and color in the ink-jet printer.
Usually, when print cartridge is installed on the ink-jet printer for the first time, whether the inkjet printing chance detects earlier the information that prestores in stored initial information of the storage chip that is attached on the print cartridge and the ink-jet printer and mates, if coupling, just show and prepare just to continue, otherwise, show miscue, and the reminding user to replace print cartridge; In print procedure, type informations such as ink surplus in inkjet printing chance record date printed, the print cartridge, and corresponding information write in the storage chip, reader check then, if verification is qualified, just continue control and use print cartridge on medium, to form image, otherwise, stop printing and point out the user to change print cartridge.When data that ink-jet printer is read from storage chip show that ink surplus in the print cartridge is not enough, then can the reminding user to replace print cartridge or stop to control print procedure.
Because a print cartridge might be used for many ink-jet printers, if can not preserve the record that print cartridge is used attached to the storage chip on the print cartridge, information such as surplus as the ink in the print cartridge, then ink-jet printer is not just understood the use information of print cartridge, like this, under the situation that the ink in print cartridge exhausts, ink-jet printer still can use print cartridge imaging on medium, can influence printing effect like this, or even cause the damage of ink-jet printer.Therefore, the record that this print cartridge is used must can be preserved attached to the storage chip on the print cartridge.At present, all can comprise a nonvolatile memory in the storage chip, it can preserve the record time very of a specified duration that print cartridge is used, and also can not lose under the situation of outage, as EEPROM, can preserve data for decades.
But the shelf-life of ink is then very short, is generally several years, if standing time is oversize, then might go bad, the become thickness even kill of the ink in the print cartridge can influence print quality like this or stop up printing head, even make its damage.And in many print cartridges, all have the cavernous structure object that can adsorb ink, as sponge, it soaks the long time and also can be corroded in ink, make its function reduction or forfeiture, influences printing effect.
Because present ink-jet printer all is by judge whether to use this print cartridge to print operation attached to the storage chip on the print cartridge, though the inkjet printing chance reads the build date in the storage chip, but most ink-jet printer is not judged the resting period of print cartridge and the foundation that whether can continue to use with this, if retail trader or user are depositing print cartridge always, then the ink in the print cartridge might go bad, when this print cartridge is loaded on the ink-jet printer, ink-jet printer is owing to storage chip and the communication with it that still can discern on the print cartridge, and use this print cartridge to print operation, print quality will be bad like this, even printhead is damaged.
The utility model content
The utility model provides a kind of storage chip and comprises the print cartridge of storage chip, only judges the print cartridge useful life by the ink surplus to solve in the prior art, and ignores the technical deficiency that print cartridge ink inside essence useful life is brought.
In order to address the above problem, the technical scheme that the utility model is taked is:
A kind of storage chip, comprise control module, memory cell and interface unit, the data that parse in the information of the ink-jet printer output that the control of described control module receives interface unit write described memory cell and the data in the described memory cell are read and be integrated into signal exports to ink-jet printer by interface unit, it is characterized in that, described memory cell comprises battery and volatile memory, and described battery continues to power to volatile memory.
Described volatile memory is SRAM.
Described volatile memory is DRAM, and described memory cell also comprises a refresh circuit, and described battery constantly refreshes with the data that keep its storage DRAM for described DRAM and refresh circuit continued power, described refresh circuit not lose.
Also comprise nonvolatile memory in the described memory cell, store the initial information data in the described nonvolatile memory, when described storage chip powered on for the first time at the machine that is printed, described control module control earlier dumped to the initial information in the nonvolatile memory in the volatile memory.
Described battery is a button cell.
In described control module, also be provided with the electric current that intercepts battery supply volatile memory and pass to the obstruct circuit of other device of storage chip.
A kind of print cartridge is characterized in that, described print cartridge is provided with above-mentioned storage chip.
After having adopted technique scheme, because the memory cell of storage chip is made up of battery and volatile memory, wherein battery continues to power to volatile memory.Before the electric energy that stores in battery exhausted, volatile memory can store the information that ink-jet printer writes always; When the electric energy in the battery exhausted, the data that store in the volatile memory will be lost, and so just can form a pot-life, the up time of control print cartridge, made owing to standing time is long and caused the rotten print cartridge of ink can not use on printer.The above-mentioned pot-life is by the power consumption of volatile memory or whole storage chip and the capacity decision of battery.Only solved and judged the print cartridge useful life, and ignored the technical problem that print cartridge ink inside essence useful life is brought by the ink surplus.The utility model can be by changing the storage chip on the print cartridge structure as increasing the power consumption that load changes storage chip or volatile memory to volatile memory, and/or by selecting the battery of different capabilities, material, thereby give the data pot-life that is provided with of storage chip, also be but a useful life to be set simultaneously to print cartridge, pressure makes owing to standing time is long and causes the rotten print cartridge of ink not to be used to carry out printing by ink-jet printer, forms image on medium.
Description of drawings
Fig. 1 is that the memory cell in the utility model adopts volatile memory and the storage chip of battery composition and the information exchange figure of printer.
Fig. 2 is that the memory cell in the utility model adopts SRAM and the storage chip of button cell composition and the information exchange figure of printer.
Fig. 3 is that the memory cell in the utility model adopts DRAM, refresh circuit and the storage chip of button cell composition and the information exchange figure of printer.
Fig. 4 is that the memory cell in the utility model adopts nonvolatile memory, volatile memory and the storage chip of battery composition and the information exchange figure of printer.
The specific embodiment
Usually, ink-jet printer is communicated by letter with the storage chip on being attached to print cartridge, and the data that are stored in the storage chip by detection determine whether to utilize this print cartridge to carry out printer operation or continuation execution printing.At present, storage chip all comprises control module, memory cell and interface unit, wherein the data write storage unit that parses in the information of control module control ink-jet printer output that interface unit is received and the data in the memory cell are read and be integrated into signal export to ink-jet printer by interface unit.
Generally, the memory cell of storage chip is made up of nonvolatile memory, as electricallyerasable ROM (EEROM) EEPROM, ink-jet printer all be with storage chip in the nonvolatile memory swap data.Though the inkjet printing chance reads the build date in the storage chip, but most ink-jet printer is not judged the resting period of print cartridge and the foundation that whether can continue to use with this, therefore a lot of ink-jet printers can not be judged the resting period of print cartridge by such storage chip, to such an extent as to might use the rotten print cartridge of ink to carry out printing, cause the not good or damage printhead of printing effect.
Therefore the utility model has just designed so a kind of storage chip with data retention period limit, as shown in Figure 1, the memory cell of this storage chip is made up of volatile memory and battery, and battery is powered to volatile memory, and the time that exhausts of battery is exactly the data retention period limit of storage chip.
Particularly, as shown in Figure 2, volatile memory is static RAM SRAM, and battery is a button cell, storage chip earlier to putting one deck plastic strip between the conducting strip on button cell and the storage chip, makes button cell not conducting between the conducting strip on the chip when producing.Before the burning/recording chip data, pull off plastic strip, make the conducting strip conducting on button cell and the chip, give the static RAM SRAM in the storage chip power supply.
Like this, the data that are burnt among the static RAM SRAM just can be stored in wherein always.When the print cartridge that has this kind chip used button cell on ink-jet printer back and the storage chip also to store electric weight, ink-jet printer can use this print cartridge to carry out printing.In print procedure, the static RAM SRAM swap data in ink-jet printer and the storage chip is as the data that characterize quantity of ink etc.
After the button cell on the storage chip exhausts, data among the static RAM SRAM will be lost, be that data in each unit all become " 0 " or all become " 1 ", when ink-jet printer again from static RAM SRAM during sense data, ink-jet printer will different or satisfied default data rule stop using this print cartridge to proceed printing owing to the data that data of reading and printer write, and the demonstration miscue, the reminding user to replace print cartridge.In this programme, but the useful life that has the print cartridge of this storage chip, or the data retention period of storage chip limit, mainly by the power consumption of whole storage chip and the capacity decision of button cell, and the power consumption size is to regulate by the structure that changes storage chip, and button cell also can be selected different capabilities and material.
In such scheme, volatile memory can also be dynamic random access memory DRAM, as shown in Figure 3, at this moment, memory cell in the storage chip also needs to comprise a refresh circuit, battery need be given dynamic random access memory DRAM and refresh circuit continued power, makes refresh circuit that dynamic random access memory DRAM is constantly refreshed, and keeps the data of its storage not lose.
In addition, can also comprise a nonvolatile memory in the memory cell of storage chip, as shown in Figure 4, this storage chip is when dispatching from the factory, store the initial information data in the nonvolatile memory in the memory cell, and do not have storage data in the volatile memory.After the print cartridge that has this kind storage chip is installed on the ink-jet printer, when printer is given chip power for the first time, control module in the storage chip can at first be controlled the initial information in the nonvolatile memory is dumped in the volatile memory, then, ink-jet printer just can identify storage chip, and allows to utilize this print cartridge to carry out ensuing printing.In print procedure, ink-jet printer remains and the volatile memory swap data.
Control module in the utility model can also comprise that intercepts a circuit, this obstruct circuit can intercept battery and supply with other device that the electric current of volatile memory is passed to storage chip, make battery only to the volatile memory power supply, make its loss minimum, service time is longer.At this moment, but the useful life that has the print cartridge of this storage chip, or the data retention period of storage chip limit, mainly by the power consumption of volatile memory and the capacity decision of battery, this time limit also can be regulated, as increasing load to volatile memory, will increase the power consumption of volatile memory like this, the time limit will shorten; Perhaps select the less battery of capacity, the time limit also can shorten.
In such scheme, if volatile memory is dynamic random access memory DRAM, then battery also needs to make refresh circuit that dynamic random access memory DRAM is constantly refreshed to the refresh circuit power supply, keeps the data of its storage can not lose.
In addition, the control module in the utility model and the communication mode of volatile memory can use the parallel serial of also can using, and interface unit can be that communicate by letter by wired mode also can be by wireless mode communication.
Storage chip in the utility model is not only limited to these included in the above specific embodiment three functional units, whether correct it can also comprise other functional unit, as the installation site that is used for making printer judge print cartridge Optical Transmit Unit, be used to sensor unit that detects the actual quantity of ink of print cartridge etc.
Claims (10)
1. storage chip, comprise control module, memory cell and interface unit, the data that parse in the information of the ink-jet printer output that the control of described control module receives interface unit write described memory cell and the data in the described memory cell are read and be integrated into signal exports to ink-jet printer by interface unit, it is characterized in that, described memory cell comprises battery and volatile memory, and described battery continues to power to volatile memory.
2. storage chip as claimed in claim 1 is characterized in that, described volatile memory is SRAM.
3. storage chip as claimed in claim 1, it is characterized in that, described volatile memory is DRAM, described memory cell also comprises a refresh circuit, described battery constantly refreshes with the data that keep its storage DRAM for described DRAM and refresh circuit continued power, described refresh circuit not lose.
4. storage chip as claimed in claim 1, it is characterized in that, also comprise nonvolatile memory in the described memory cell, store the initial information data in the described nonvolatile memory, when described storage chip powered on for the first time at the machine that is printed, described control module control earlier dumped to the initial information in the nonvolatile memory in the volatile memory.
5. as claim 1 or 2 or 3 or 4 described storage chips, it is characterized in that described battery is a button cell.
6. as claim 1 or 2 or 3 or 4 described storage chips, it is characterized in that, in described control module, also be provided with the obstruct circuit that the electric current that intercepts battery supply volatile memory is passed to other device of storage chip.
7. storage chip as claimed in claim 6 is characterized in that, described battery is a button cell.
8. a print cartridge is characterized in that, described print cartridge is provided with the described arbitrary storage chip of claim 1 to 4.
9. a print cartridge is characterized in that, described print cartridge is provided with the described arbitrary storage chip of claim 5.
10. a print cartridge is characterized in that, described print cartridge is provided with the described arbitrary storage chip of claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201337093U CN201483890U (en) | 2009-06-26 | 2009-06-26 | Memory chip and ink cartridge provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201337093U CN201483890U (en) | 2009-06-26 | 2009-06-26 | Memory chip and ink cartridge provided with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201483890U true CN201483890U (en) | 2010-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201337093U Expired - Lifetime CN201483890U (en) | 2009-06-26 | 2009-06-26 | Memory chip and ink cartridge provided with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201483890U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012071864A1 (en) * | 2010-12-03 | 2012-06-07 | 珠海天威技术开发有限公司 | Chip for consumption material and container for consumption material |
| CN101596810B (en) * | 2009-06-26 | 2012-09-05 | 珠海纳思达电子科技有限公司 | Method for setting data storage life in storage chip, storage chip and ink cartridge having storage chip |
| CN102744970A (en) * | 2012-07-10 | 2012-10-24 | 辉芒微电子（深圳）有限公司 | High-speed ink cartridge chip |
| WO2013023527A1 (en) * | 2011-08-12 | 2013-02-21 | 珠海天威技术开发有限公司 | Consumable chip, consumable container and charging method for power storage unit of consumable chip |
-
2009
- 2009-06-26 CN CN2009201337093U patent/CN201483890U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101596810B (en) * | 2009-06-26 | 2012-09-05 | 珠海纳思达电子科技有限公司 | Method for setting data storage life in storage chip, storage chip and ink cartridge having storage chip |
| WO2012071864A1 (en) * | 2010-12-03 | 2012-06-07 | 珠海天威技术开发有限公司 | Chip for consumption material and container for consumption material |
| WO2013023527A1 (en) * | 2011-08-12 | 2013-02-21 | 珠海天威技术开发有限公司 | Consumable chip, consumable container and charging method for power storage unit of consumable chip |
| CN102744970A (en) * | 2012-07-10 | 2012-10-24 | 辉芒微电子（深圳）有限公司 | High-speed ink cartridge chip |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHUHAI APEX MICROELECTRONICS CO., LTD. Free format text: FORMER OWNER: NINESTAR IMAGE CO., LTD. Effective date: 20140519 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 519000 ZHUHAI, GUANGDONG PROVINCE TO: 519075 ZHUHAI, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140519 Address after: 04, 7 building, No. 63, Mingzhu North Road, Xiangzhou District, Guangdong, Zhuhai, 519075 Patentee after: Zhuhai APEX Microelectronics Co., Ltd. Address before: 519000 No. 63 Mingzhu North Road, Xiangzhou District, Guangdong, Zhuhai Patentee before: Ninestar Image Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100526 |