CN101362401A - Ink box chip and read-write method of changeable information - Google Patents
Ink box chip and read-write method of changeable information Download PDFInfo
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- CN101362401A CN101362401A CNA200710029708XA CN200710029708A CN101362401A CN 101362401 A CN101362401 A CN 101362401A CN A200710029708X A CNA200710029708X A CN A200710029708XA CN 200710029708 A CN200710029708 A CN 200710029708A CN 101362401 A CN101362401 A CN 101362401A
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Abstract
The invention provides an ink cartridge chip and a reading and writing method for variable information, wherein, the ink cartridge chip comprises a storage unit for storing the related information of an ink cartridge; the storage unit comprises a variable information area for storing variable information, further comprises an initial operational zone bit of the ink cartridge; and the initial operational zone bit of the ink cartridge is stored with a resettable mark. The reading and writing method for variable information in the ink cartridge chip comprises the following steps: whether a command for reading the variable information is received or not is judged; if the command for reading the variable information is received, whether the initial operational zone bit of the ink cartridge is stored with the resettable mark or not is further judged, if so, the original data of the variable information is transmitted to a printer, and if not, the real data of the variable information stored in the variable information area is transmitted; whether a write-in data command sent by the printer is received or not is judged; if so, the data is written into the storage unit, and the resettable mark is cleared. The invention can ensure that the data of the variable information in the ink cartridge chip is the original data when the ink cartridge is installed on the printer for the first time.
Description
Technical field
The present invention relates to a kind of ink box chip, especially a kind of storing about the ink box chip of the variable information of print cartridge and the reading/writing method of this variable information.
Background technology
Print cartridge is a kind of common inkjet printing consumptive material, is widely used in printer.Be provided with a chip on the existing print cartridge mostly, chip is a microcontroller normally, it has memory cell, further divide in the memory cell a plurality of districts are arranged, the district that has stores fix information, as the print cartridge model, the printer model that print cartridge was suitable for, the print cartridge production time, information such as ink color, also has a variable information district, be used to store variable information, as store the metering zone of print cartridge ink inside balance information, the storage print cartridge is installed the mount message district of number of times etc., and after print cartridge was installed on the printer, printer read above-mentioned information data from ink box chip, judge whether this print cartridge is applicable to this printer, and read this print cartridge ink inside surplus.Judge the print cartridge model when printer and meet this printer, and print cartridge ink inside surplus is when minimum requirements is above, printer just begins operate as normal.When each print job was finished, the printer actual balance information that print cartridge is current write metering zone, so that printer reads when print job begins next time.
But, in the process that ink box chip is made and tested, loss of data or mistake in the chip metering zone are write, after causing the print cartridge that brand-new chip is installed to be installed on the printer first, the ink surplus that printer reads from ink box chip is not 100%, printer thinks that just this print cartridge is the discontented print cartridge of an ink capacity, even can think that print cartridge ink inside surplus below minimum requirements, causes the printer cisco unity malfunction.
Summary of the invention
When main purpose of the present invention provides a kind of chip and is installed on the printer first, guarantee that the variable information data are the variable information read method of initial data;
Another object of the present invention provides a kind of ink box chip that adopts said method.
In order to realize above-mentioned main purpose, the related ink box chip of variable information read method provided by the invention comprises memory cell, this memory cell comprises the variable information district that stores variable information and stores the initial service marking of the print cartridge position of reseting mark that this method may further comprise the steps: step 1: ink box chip judges whether to receive printer and sends the order of reading variable information; Step 2: if ink box chip judges that printer sends the order of reading variable information, judge further then whether the initial service marking of print cartridge position stores reseting mark, in this way, then send the initial data of variable information to printer, otherwise, send the real data of the variable information that is stored in the variable information district; Step 3: ink box chip judges whether to receive printer and sends the order that writes data; Step 4: judge that as ink box chip printer sends the order that writes data,, and remove the reseting mark of the initial service marking of print cartridge position then with the data write storage unit.And this reseting mark writes in ink box chip manufacturing process.
By such scheme as seen, when chip was installed on the printer first, chip can be judged on the initial service marking of the print cartridge position and stores reseting mark, just the initial data of variable information is delivered to printer, can guarantee that the data that printer obtains are initial data.
A concrete scheme is, this variable information is the ink balance information, and the initial data of ink balance information is 100%.
Like this, when chip is installed on the printer first, just can obtains print cartridge ink inside surplus and be 100% data, but guarantee the printer operate as normal.
In order to realize another above-mentioned purpose, ink box chip provided by the invention comprises the memory cell of storage print cartridge relevant information; This memory cell comprises the variable information district that stores variable information; Wherein, this memory cell also comprises the initial service marking of print cartridge position; The initial service marking of this print cartridge position stores reseting mark.
By such scheme as seen, comprise the initial service marking of variable information district and print cartridge position in the memory cell of ink box chip, after ink box chip is installed on the printer first, but just read information in the initial service marking of the print cartridge position, and judge whether that according to the initial service marking of print cartridge position canned data needs send the initial data of variable information to printer.
Description of drawings
Fig. 1 is the structural representation block diagram of ink box chip embodiment of the present invention, and this ink box chip is connected with printer;
Fig. 2 is the flow chart of variable information reading/writing method embodiment of the present invention.
The invention will be further described below in conjunction with drawings and Examples.
The specific embodiment
Referring to Fig. 1, Fig. 1 is to use the structural representation block diagram of ink chip embodiment of the present invention, and ink box chip is connected with printer among the figure.The ink box chip of present embodiment is a microcontroller 2, and it comprises memory cell 3, is provided with the initial service marking of metering zone 4 and print cartridge position 5 in memory cell 3.Wherein metering zone 4 is variable information districts of present embodiment, the variable information of storage is the information of print cartridge ink inside surplus, the initial service marking of print cartridge position 5 stores reseting mark, this reseting mark is to make in the process of ink box chip to be written in the microcontroller 2 by software or fever writes, and can be removed by microcontroller 2.
After the print cartridge that microcontroller 2 is installed was installed on the printer 1, printer 1 just carried out information exchange with microcontroller 2, just reads data from microcontroller 2, and writes data to microcontroller 2.After printer 1 is started working, read the data of print cartridge ink inside surplus, and deduct the quantity of ink that consumes in the print procedure, obtain the data of current print cartridge ink inside surplus, and these data are written in the metering zone 4 of microcontroller 2 from microcontroller 2.
Referring to Fig. 2, be the flow chart of variable information read method embodiment of the present invention.In the present embodiment, ink box chip is a microcontroller, and variable information is the ink balance information, and this variable information district is a metering zone, and the initial value of ink balance information is 100%.After the print cartridge that microcontroller is installed was installed to printer, microcontroller just judged whether to receive the order of reading the ink balance information (step S1) that printer sends, if printer does not send the order of reading the ink surplus, and execution in step S5 then; If microcontroller judges that printer has sent the order of reading the ink balance information, judge then whether the initial service marking of print cartridge position is reseting mark (step S2).Reseting mark is to write in microcontroller manufacturing process, for example is binary number " 1 ", and is stored on the initial service marking of the print cartridge position of memory cell.When the position storage of the initial service marking of microcontroller judgement print cartridge is reseting mark, when being binary number " 1 ", then sending the ink surplus to printer is 100% data (step S4), and these data are stored in the memory cell certain location, also write in microcontroller manufacturing process.If what microcontroller was judged the storage of the initial service marking of print cartridge position is not reseting mark, it for example is binary number " 0 ", the real data that then will be stored in metering zone ink inside surplus is delivered to (step S3) on the printer, whether printer just can be known the current ink surplus of print cartridge like this, sufficient so that printer is judged print cartridge ink inside surplus.Then, return step S1, wait for order next time.If what microcontroller judgement printer sent is not the order of reading the ink balance information, then judge whether to receive printer writes order (step S5) from data to memory cell, if printer need write data to memory cell, then the data that needs are write are written on the corresponding memory location, and the reseting mark in the initial service marking of the print cartridge position is removed (step S6).Like this, the data that are stored on the initial service marking of the print cartridge position are not binary number " 1 ", but binary number " 0 ".If microcontroller judges that printer does not send the order that writes data, then return execution in step S1, wait for order next time.Printer all stops to microcontroller power supply, microcontroller constipation bundle all operations after whenever finishing a read-write operation.
Because after print cartridge is installed on the printer, printer reads print cartridge ink inside balance information earlier and carries out write operation again, and all current print cartridge ink inside balance information is write in the ink box chip after print job is finished each time, therefore after the print cartridge that brand-new ink box chip is installed is installed on the printer, the ink balance information that printer reads from the ink box chip first is 100%, show the full China ink of print cartridge, can guarantee the printer operate as normal like this.Simultaneously, because the reseting mark of the initial service marking of print cartridge position is eliminated when printer writes data for the first time, when printer reads print cartridge ink inside balance information once more, what store in the initial service marking of the judgement print cartridge position is binary number " 0 ", then will be stored in metering zone ink inside surplus data delivers on the printer, can guarantee correctly to obtain in the printer course of work current print cartridge ink inside balance information like this, to guarantee the operate as normal of printer.In case the print cartridge ink inside is when minimum requirements is following, printer still can obtain this information from the metering zone of ink box chip, in time notifies user's ink surplus deficiency, the print cartridge that need more renew.
Certainly, the invention is not restricted to the embodiments described, operating procedure can be done variation slightly, as remove reseting mark in the initial service marking of the print cartridge position, not necessarily remove again judging after whether printer needs to write data, can after print cartridge ink inside surplus is 100% data reseting mark be removed sending to printer, this also can realize purpose of the present invention.And this operation need not removed reseting mark after each printer writes data operation can be saved the working time of microcontroller, and can be reduced the electric weight that microcontroller consumes.
Simultaneously, the ink balance information was not an initial data when variable information reading/writing method provided by the invention can not guarantee singly that ink box chip is installed on the printer first, and can also guarantee to install variable informations such as number of times is initial data.In this scheme, variable information is installation number of times information, and the variable information district is the mount message district, and the initial data that number of times information is installed should be 0 time.Be 0 time when ink box chip is installed to the installation number of times that shows this print cartridge on the printer first like this, guarantee the operate as normal of printer.
It is emphasized that at last to the invention is not restricted to above-mentioned embodiment, for example reseting mark can be set at " 0 ", is binary number " 1 " and will remove what store on the initial service marking of the print cartridge position behind the reseting mark; Or ink box chip is not microcontroller, but other have storage device of memory function or the like, and conspicuous equivalence like that changes and also should be included in the protection domain of claim of the present invention.
Claims (9)
1. ink box chip comprises
The memory cell of storage print cartridge relevant information;
Described memory cell comprises the variable information district that stores variable information;
It is characterized in that:
Described memory cell also comprises the initial service marking of print cartridge position;
The initial service marking of described print cartridge position stores reseting mark.
2. ink box chip according to claim 1 is characterized in that:
Described variable information is the ink balance information;
Described variable information district is a metering zone.
3. ink box chip according to claim 1 is characterized in that:
Described variable information is for installing number of times information;
Described variable information district is the mount message district.
4. according to each described ink box chip of claim 1 to 3, it is characterized in that:
Described reseting mark is to make in the process of ink box chip to write.
5. ink box chip according to claim 4 is characterized in that:
Described ink box chip is a microcontroller.
6. the reading/writing method of variable information, this variable information are stored in the variable information district of ink box chip according to claim 1, and this method may further comprise the steps:
Step 1: ink box chip judges whether to receive printer and sends the order of reading variable information;
Step 2: if ink box chip judges that printer sends the order of reading variable information, judge further then whether the initial service marking of print cartridge position stores reseting mark, in this way, then send the initial data of variable information to printer, otherwise, send the real data of the variable information that is stored in the variable information district;
Step 3: ink box chip judges whether to receive printer and sends the order that writes data;
Step 4: judge that as ink box chip printer sends the order that writes data,, and remove the reseting mark of the initial service marking of print cartridge position then with the data write storage unit.
7. according to the reading/writing method of the described variable information of claim 6, it is characterized in that:
In the described step 1, do not determine printer as ink box chip and send the order of reading variable information, then execution in step three.
8. according to the reading/writing method of the described variable information of claim 6, it is characterized in that:
In the described step 3, do not determine printer as ink box chip and send the order that writes data, then return execution in step one.
9. according to the reading/writing method of each described variable information of claim 6 to 8, it is characterized in that:
Described variable information is the ink balance information;
Described variable information district is a metering zone;
The initial data of described variable information is 100%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710029708XA CN101362401B (en) | 2007-08-09 | 2007-08-09 | Ink box chip and read-write method of changeable information |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710029708XA CN101362401B (en) | 2007-08-09 | 2007-08-09 | Ink box chip and read-write method of changeable information |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101362401A true CN101362401A (en) | 2009-02-11 |
| CN101362401B CN101362401B (en) | 2011-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN200710029708XA Expired - Fee Related CN101362401B (en) | 2007-08-09 | 2007-08-09 | Ink box chip and read-write method of changeable information |
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| WO2011018003A1 (en) * | 2009-08-11 | 2011-02-17 | 珠海天威技术开发有限公司 | Chip and method for resetting data about remaining amount of consumable |
| WO2011120380A1 (en) * | 2010-04-01 | 2011-10-06 | 山东新北洋信息技术股份有限公司 | Printer with universal serial bus interface, method and system for installing driver of printer |
| CN102522112A (en) * | 2011-12-22 | 2012-06-27 | 珠海天威技术开发有限公司 | Consumable chip and its data resetting method, consumable container |
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| CN103303008A (en) * | 2012-03-06 | 2013-09-18 | 杭州旗捷科技有限公司 | Data access method for printing consumables |
| CN103660583A (en) * | 2012-09-11 | 2014-03-26 | 珠海天威技术开发有限公司 | Data rewriting device for consumable chip and working method of data rewriting device |
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| MY138350A (en) * | 1998-11-02 | 2009-05-29 | Seiko Epson Corp | Ink cartridge and printer using the same |
| JP2001187457A (en) * | 1998-11-26 | 2001-07-10 | Seiko Epson Corp | Printing device and cartridge |
| CN1157296C (en) * | 2002-02-22 | 2004-07-14 | 珠海飞马耗材有限公司 | Intelligent ink cartridge and its manufacture |
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- 2007-08-09 CN CN200710029708XA patent/CN101362401B/en not_active Expired - Fee Related
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| WO2011018003A1 (en) * | 2009-08-11 | 2011-02-17 | 珠海天威技术开发有限公司 | Chip and method for resetting data about remaining amount of consumable |
| WO2011120380A1 (en) * | 2010-04-01 | 2011-10-06 | 山东新北洋信息技术股份有限公司 | Printer with universal serial bus interface, method and system for installing driver of printer |
| CN102873986A (en) * | 2011-07-15 | 2013-01-16 | 珠海天威技术开发有限公司 | Method for preventing chip data from leaking |
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| CN103303008A (en) * | 2012-03-06 | 2013-09-18 | 杭州旗捷科技有限公司 | Data access method for printing consumables |
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