CN103660583A - Data rewriting device for consumable chip and working method of data rewriting device - Google Patents
Data rewriting device for consumable chip and working method of data rewriting device Download PDFInfo
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- CN103660583A CN103660583A CN201210335352.3A CN201210335352A CN103660583A CN 103660583 A CN103660583 A CN 103660583A CN 201210335352 A CN201210335352 A CN 201210335352A CN 103660583 A CN103660583 A CN 103660583A
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Abstract
The invention provides a data rewriting device for a consumable chip and a working method of the data rewriting device. The rewriting device comprises a shell, wherein a control unit and a memory unit accessed by the control unit are arranged inside the shell; an electric connector electrically connected with an electric contact of the consumable chip is arranged on the rewriting device, and electrically connected with the control unit; more than two groups of consumable chip serial number data are stored in the memory unit; the control unit is provided with a serial number marking unit; the serial number marking unit is used for processing the serial number data written into the consumable chip by marks. The working method comprises the following steps: writing a group of serial number data into the memory of the consumable chip, and processing the serial number data by marks after electrically connecting the electric connector with the electric contact of the consumable chip. By adopting the data rewriting device, the serial number data stored in the consumable chip can be rewritten, and the condition that after a consumable container filled with a consumable is mounted on a printer, printing cannot be performed is avoided.
Description
Technical field
The present invention relates to data and rewrite field, especially relate to a kind of data rewriting device of consumable chip and the method for work of this device.
Background technology
Printer is as common office equipment, for modern office provides great convenience.Existing printer is divided into ink-jet printer and laser printer, and ink-jet printer uses the print cartridge that accommodates ink to paper, to spray ink as consumable container, to form word or the pattern that needs printing on paper; Laser printer uses the cartridge that accommodates carbon dust as consumable container, on medium, to form word or the pattern that needs printing.
Referring to Fig. 1, existing a kind of color inkjet printer has casing 11, and the ink-jet printer shown in Fig. 1 has omitted the supporting plate of casing 11.In casing 11, be provided with the movement 12 of ink-jet printer, and be provided with a slide bar, print word car 14 and along slide bar, move back and forth under the drive of motor (invisible in Fig. 1).Print in word car 14 and be provided with keyset (invisible in Fig. 1), keyset is electrically connected to movement 12 by winding displacement 13.
Print on word car 14 a plurality of print cartridges 15 are removably installed, accommodate the ink of different colours in different print cartridges 15, the structure of print cartridge 15 as shown in Figure 2.Print cartridge 15 has housing 16, and housing 16 surrounds the cavity that holds ink, and the lower end of cavity is provided with ink outlet port 17, and the ink in cavity flows out by ink outlet port 17, and to the confession tattooing needle ink supply of printing word car 14.
On the outer wall of print cartridge 15 housings 16, chip piece 18 is installed, chip 18 has substrate, and a side of substrate is provided with a plurality of electric contacts 19, for being electrically connected to keyset.The opposite side of substrate is provided with the electronic module (invisible in Fig. 2) being electrically connected to electric contact 19.
Referring to Fig. 3, existing cartridge has housing 21, and housing 21 surrounds the cavity that holds carbon dust, and the outer wall of housing is provided with a chip installation position 22, and chip 23 is installed on chip installation position 22.Similar with the chip of print cartridge, the chip 23 of cartridge also has substrate, and substrate is provided with the electric contact 24 as communication module, for carrying out exchanges data with laser printer.And the opposite side of substrate is provided with the electronic module (invisible in Fig. 3) being electrically connected to electric contact 24.
Referring to Fig. 4, electronic module on ink box chip 18 or carbon powder box chip 22 all has interface unit 31, control module 32 and memory 33, the data that interface unit 31 sends for receiving ink-jet printer or laser printer, and by the transfer of data receiving to control module 32, the data of also control module 32 being returned are sent to ink-jet printer or laser printer simultaneously.
Control module 32 is for the work of control chip, comprises the order that response ink-jet printer or laser printer send, as to memory 33 data writings or read the data of appointment from memory 33.
Memory 33 is electrically erasable read-only memory (EEPROM) or flash memory (Flash) etc., and for storing the data relevant to print cartridge 15 or cartridge, it comprises read-only data memory block 34 and read-write data storage area 35.Read-only data memory block 34 is for storing persistent data, as the production time of color, print cartridge 15 or the cartridge of the model of print cartridge 15 or cartridge, sequence number, applicable printer model, the ink holding or carbon dust etc., these data can't be with carrying out of printing and revise.And the serial number data of print cartridge 15 or cartridge is normally unique, cartridge serial number data or the cartridge serial number data of same model are not identical, or, same model and to hold the cartridge serial number data of same color ink not identical.
Read-write data storage area 35 is for storing the data that can be read and write, if the surplus of ink or carbon dust, print cartridge 15 or cartridge are for the time span of printing, the number of pages of printing etc., these data are with carrying out of printing and change, therefore, after the each printing of ink-jet printer or laser printer, will upgrade above-mentioned data.
In order to ensure the normal operation of printing, before the each printing of ink-jet printer or laser printer, by reading, be stored in the ink surplus of memory 33 or the data of carbon dust surplus, and judge that whether ink surplus or carbon dust surplus be sufficient, as inadequate, send alarm signal, prompting user changes print cartridge or cartridge.And after each printing, ink-jet printer or laser printer print by calculating this time quantity of ink or the carbon dust amount consuming, and calculate thus remaining quantity of ink or carbon dust amount, by the ink surplus after upgrading or carbon dust surplus write memory 33.
But, if after in print cartridge or cartridge, ink or carbon dust are exhausted, the housing of print cartridge and cartridge, chip etc. still can be used, if housing, chip etc. is abandoned, will cause environmental pollution, are unfavorable for environmental protection.Therefore, people fill with China ink, cartridge are carried out to powder filling print cartridge, and the data of chip being stored by the rewriting device of design chips rewrite.
Existing rewriting device has a housing, and control module and memory cell are set in housing, and is provided for the electrical connector that is electrically connected to the electric contact of chip, and as contact pilotage etc., control module communicates by contact pilotage and chip.
In the memory cell of rewriting device, store the data such as ink surplus data predetermined value or carbon dust surplus data predetermined value, after the chip electric contact of print cartridge or cartridge is electrically connected to the contact pilotage of rewriting device, control module is written to the ink surplus data predetermined value in memory cell or carbon dust surplus data predetermined value in chip, ink surplus data or carbon dust surplus data are rewritten like this, after the print cartridge after filling China ink or the cartridge after carbon dust are installed to ink-jet printer or laser printer, can print operation.
Yet, more existing ink-jet printers or laser printer are by the serial number data that records ink box chip or carbon powder box chip and store, and after the ink of judgement print cartridge is exhausted, serial number data corresponding to this print cartridge is by locked, be that ink-jet printer judges after the print cartridge ink of a certain sequence number is exhausted and can not reuse, after the ink surplus data that cause like this filling with China ink and chip is stored rewrite, printing be accepted and be carried out to print cartridge still cannot by ink-jet printer.Like this, limit reusing of print cartridge, be unfavorable for environmental protection.
In the same manner, also there is identical problem in cartridge, because laser printer records the sequence number of the cartridge that carbon dust has been exhausted and bans use of the cartridge of this sequence number, causes being difficult to reuse after cartridge powder filling.
Summary of the invention
Main purpose of the present invention is to provide a kind of consumable chip data rewriting device that can rewrite the serial number data of consumable chip.
Another object of the present invention is to provide the method for work of above-mentioned consumable chip data rewriting device.
For realizing above-mentioned main purpose, consumable chip data rewriting device provided by the invention comprises housing, the memory cell that is provided with control module in housing and is accessed by control module, and rewriting device also arranges the electrical connector being electrically connected to the electric contact of consumable chip, electrical connector is electrically connected to control module, wherein, cell stores has more than two groups consumable chip serial number data, control module is provided with sequence number indexing unit, for carrying out usage flag processing to being written to the serial number data of consumable chip.
From such scheme, in the memory cell of rewriting device, store many group consumable chip serial number data, like this when other data of consumable chip are rewritten, can rewrite in the lump serial number data, consumable container is installed to after printer again, printer judges that serial number data that the chip of this consumable container is stored is not the sequence number of the consumable container that has been exhausted of consumptive material, allows to print operation.
A preferred scheme is, memory cell has the first memory block and the second memory block, and the first storage area stores has the serial number data of not used, and the second storage area stores has the serial number data of having been used.
As can be seen here, the memory cell of rewriting device is stored respectively the serial number data of having used and the serial number data of not used by two different memory blocks, can know whether distinguishing sequence number is used, avoid the serial number data of being used to be written in consumable chip, and the serial number data that also serial number data of having been used and consumable chip can be stored contrasts.
Another preferred scheme is, memory cell has flag bit memory block, and flag bit storage area stores has the flag bit of serial number data, and flag bit is corresponding one by one with serial number data, and whether flag bit is used for identifying corresponding serial number data.
As can be seen here, by flag bit corresponding to each serial number data, can identify this serial number data and whether be used, avoid control module that the serial number data of being used is written in consumable chip.
Further scheme is, is provided with at least one consumable container installation position on housing, and electrical connector is positioned on consumable container installation position.
Visible, when consumable chip is carried out to data rewriting, consumable container can be installed in installation position, can to the data of consumable chip, rewrite easily like this.
For realizing another above-mentioned object, in consumable chip data rewriting device method of work provided by the invention, this rewriting device control module, memory cell and the electrical connector being electrically connected to the electric contact of consumable chip, electrical connector is electrically connected to control module, cell stores has more than two groups consumable chip serial number data, after the method comprises that electrical connector is electrically connected to the electric contact of consumable chip, one group of serial number data is write in the memory of consumable chip, and this serial number data is carried out to usage flag processing.
From such scheme, rewriting device can be written to serial number data in the memory of consumable chip, replace original serial number data, the consumable container rewriteeing after data is like this installed to after printer, because its serial number data is rewritten, printer can be accepted this consumable container and carry out printing.
A preferred scheme is, memory cell has the first memory block and the second memory block, and the first storage area stores has the serial number data of not used, and the second memory block is for storing the serial number data of having been used; Control module is before consumable chip writing sequence number data, from the memory of consumable chip, read the serial number data that is stored in memory, and read serial number data is written in the second memory block, the serial number data that is written to consumable chip is the serial number data that control module reads from the first memory block, and it is that the serial number data that is written to consumable chip is deleted from the first memory block that this usage flag is processed.
As can be seen here, rewriting device is stored respectively the serial number data of having been used and the serial number data of not used by two memory blocks, avoid the serial number data of being used to be written in consumable chip, prevent that the situation that the consumable container of overwrite sequence number is not accepted by printer from occurring.
Further scheme is, before the serial number data that the memory of consumable chip is stored is read, judge whether consumable chip is brand-new consumable chip, in this way, the serial number data that consumable chip is stored is read and is contrasted one by one with the serial number data that store the second memory block, if all sequences number that the serial number data that judgement consumable chip is stored is stored with the second memory block is all not identical, end operation, if arbitrary serial number data that the serial number data that judgement consumable chip is stored is stored with the second memory block is identical, from the first memory block, read a serial number data and write in the memory of consumable chip.
Visible, pass through aforesaid operations, for the consumable chip that need to be installed to the brand-new consumable container of printer, once judge, avoid the sequence number of brand-new consumable container identical with the serial number data of having been used and cause the out of use situation of brand-new consumable container to occur.
Another preferred scheme is, memory cell has flag bit memory block, and flag bit storage area stores has the flag bit of serial number data, and flag bit is corresponding one by one with serial number data, and whether flag bit is used for identifying corresponding serial number data; Control module is before consumable chip writing sequence number data, from the memory of consumable chip, read and be stored in the serial number data of memory and read serial number data is written in memory cell, sign corresponding to serial number data that is written to memory cell is set to the sign having been used; The serial number data that control module writes consumable chip is the serial number data of not used, and it is that the sign that is written to the serial number data of consumable chip is revised as to the sign having been used that this usage flag is processed.
As can be seen here, by flag bit, the use state of each serial number data is carried out to mark, avoid control module that the serial number data of being used is written in consumable chip, and can to the use state of serial number data, distinguish easily.
Accompanying drawing explanation
Fig. 1 is the structure chart of existing a kind of ink-jet printer.
Fig. 2 is the structure enlarged drawing of existing print cartridge.
Fig. 3 is the STRUCTURE DECOMPOSITION figure of existing a kind of cartridge.
Fig. 4 is the electric theory diagram of the electronic module of existing consumable chip.
Fig. 5 is the structure chart of consumable chip data rewriting device of the present invention the first embodiment.
Fig. 6 is the structure chart that consumable chip data rewriting device of the present invention the first embodiment is provided with print cartridge.
Fig. 7 is the electric theory diagram of consumable chip data rewriting device of the present invention the first embodiment.
Fig. 8 is the flow process of consumable chip data rewriting device method of work of the present invention the first embodiment.
Fig. 9 is the structure chart of consumable chip data rewriting device of the present invention the second embodiment.
Figure 10 is the storage schematic diagram of memory cell in consumable chip data rewriting device of the present invention the second embodiment.
Figure 11 is the storage corresponding relation schematic diagram of serial number data and flag bit in consumable chip data rewriting device of the present invention the second embodiment.
Figure 12 is the flow process of consumable chip data rewriting device method of work of the present invention the second embodiment.
Below in conjunction with drawings and Examples, the invention will be further described.
The specific embodiment
The consumable container of applying data that rewriting device of the present invention rewrites both can be mounted in the print cartridge on ink-jet printer, also can be mounted in the cartridge on laser printer, and below in conjunction with embodiment, the present invention is described in detail.
Consumable chip data rewriting device the first embodiment:
Referring to Fig. 5, the rewriting device 40 of the present embodiment rewrites for the data that the chip of print cartridge is stored, it has housing 41 and pedestal 48, on an outer wall of housing 41, arrange by display screen 42 and a plurality of button 46, display screen 42 is as output device, for output information, button 46 is for to rewriting device 40 input messages, as operational order etc.
On pedestal 48, be provided with print cartridge installation position, print cartridge installation position is positioned at outside the sidewall 43 of housing 41, and it has the projection 44 that is positioned at sidewall 43 outsides, is provided with many from the outward extending contact pilotage 45 of projection 44 on projection 44, the electrical connector that contact pilotage 45 is the present embodiment, is positioned at print cartridge installation position.As shown in Figure 6, when print cartridge 59 is installed to behind print cartridge installation position, contact pilotage 45 is electrically connected to the electric contact on print cartridge 59 chips.
Print cartridge installation position has between 49, two holders 49 of two holders that are positioned on pedestal 48 and forms print cartridge mounting groove 50, and print cartridge 59 is arranged in print cartridge mounting groove 50, and has 49 clampings of two holders.Ink box chip is positioned on the outer wall of cartridge case, and the outer side of ink box chip is provided with a plurality of electric contacts, and ink box chip is provided with electronic module by a side of cartridge case, is provided with memory in electronic module, and memory stores has serial number data.
In the housing of rewriting device 40, be provided with circuit board, circuit board is provided with control module, memory cell etc., as shown in Figure 7, control module 51 is the core of rewriting device 40, the device that it can be programmed for single-chip microcomputer, field programmable gate array etc., is provided with sequence number indexing unit 52 in control module 51.In addition, control module 51 is electrically connected to contact pilotage 45, by contact pilotage 45 and ink box chip, communicates.
Memory cell 53 is nonvolatile memory, can be accessed by control module 51, it comprises the first memory block 54 and the second memory block 55, the first memory block 54 stores the serial number data of not used, the serial number data of not used is pre-stored serial number data in the first memory block 54, and is not written in consumable chip.The serial number data that the second memory block 55 storages have been used, the serial number data of having been used is the data that controlled unit 51 is written to consumable chip, or the serial number data reading from consumable chip.When the firm manufacture of rewriting device 40 is complete, the second memory block 55 should be not store any serial number data.
Certainly, for allow rewriting device 40 can be to different model, hold the not chip of the print cartridge of the ink of color and rewrite, the serial number data being stored in memory cell 53 is divided according to different model, different colours, it is the corresponding a series of serial number data of a certain model, a certain color, these serial number data comprise the serial number data of not used and the serial number data of having been used, and same model, the corresponding a series of serial number data of same color are all not identical each other.
On the circuit board of rewriting device 40, be also provided with display driver circuit 56, control module 51 is by drive display screen 42 demonstration information to display driver circuit 56 output signals, as the information of selected model, color, the successful information of rewrite operation etc.In addition, control module 51 also receives the information of button 46 inputs.
Consumable chip data rewriting device method of work the first embodiment:
The operation principle of rewriting device is described below in conjunction with Fig. 8.Ink box chip is carried out, before rewrite operation, first print cartridge being placed on print cartridge installation position, contact pilotage is electrically connected to the electric contact of ink box chip.Then, rewriting device execution step S1, determine model and the color of the print cartridge of installing, the information that step S1 can select or input model, color by button 46 by user realizes, or the information that is read the memory that is stored in chip by control module determines because in the memory of chip, conventionally store print cartridge model, hold the information of ink color.Control module need to be chosen according to different models, color the serial number data of different series.The information such as the model of choosing, color can show by display screen.
Then, execution step S2, whether the print cartridge that judgement is installed is brand-new print cartridge.This step can be realized by button 46 input messages by user, control module determines according to the information of input whether the print cartridge of installing is brand-new print cartridge, or by read print cartridge ink inside surplus data, print the data such as duration and judge whether installed print cartridge is brand-new print cartridge, because the ink surplus that the chip of brand-new print cartridge is stored is 100%, printing the data such as duration is zero.
If judgement print cartridge is not brand-new print cartridge, represent that print cartridge was used, the serial number data that chip is stored by printer record, therefore, execution step S3, the serial number data that ink box chip is stored is read, and this serial number data is written to the second memory block.Then, execution step S6, is written to one group of serial number data of not used in the memory of ink box chip, and control module is chosen one group of serial number data and is written in the memory of ink box chip from the first memory block.
Finally, by the sequence number indexing unit of control module, perform step S7, the serial number data that is just written to ink box chip is deleted from the first memory block, and this serial number data is written to the second memory block, represent that this serial number data is used.Step S7 carries out usage flag processing to serial number data, and the serial number data that has soon been written to ink box chip is labeled as the serial number data of having used.
In step S2, if the print cartridge that judgement is installed is brand-new print cartridge, perform step S4, the serial number data that ink box chip is stored is read, then perform step S5, the serial number data reading from ink box chip memory and the serial number data of having been used are contrasted one by one, the serial number data of storing with the second memory block contrasts one by one, if judgement is stored in the serial number data of ink box chip and all serial number data of the second memory block are all not identical, represent that the serial number data that this ink box chip is stored can be accepted by printer, do not carry out the operation of overwrite sequence number.If the serial number data that judgement ink box chip is stored is used identical with arbitrary group of serial number data that is stored in the second memory block, perform step S6, one group of serial number data of not used is written in ink box chip, finally perform step S7, the serial number data that just writes ink box chip is labeled as and is used.And, after rewrite operation is finished, on display screen, can show the successful information that rewrites.
Like this, the print cartridge being rewritten after serial number data is installed to after ink-jet printer, and ink-jet printer with previous not identical, can be carried out printing by the serial number data of this print cartridge of judgement.Certainly, print cartridge is installed to before ink-jet printer, need to fill with China ink to print cartridge, and by other data in ink box chip, as the data such as ink surplus data, printing duration rewrite.The memory cell of rewriting device also can be stored the above-mentioned data that need rewriting, and the data that need to rewrite other in the lump in overwrite sequence number are carried out rewrite operation.
In above-described embodiment, rewriting device 40 only arranges a print cartridge installation position, during practical application, a plurality of print cartridges installation position can be set, and arrange one for the print cartridge installation position of brand-new print cartridge is installed, when user need to detect brand-new print cartridge, brand-new print cartridge need to be installed on specific installation position.Like this, execution step is during S2, and control module judges whether print cartridge is arranged on this specific installation position and judges whether print cartridge is brand-new print cartridge.
Consumable chip data rewriting device the second embodiment:
Referring to Fig. 9, the rewriting device 60 of the present embodiment has housing 61, on an outer wall 63 of housing 61, is provided with display screen 62 and a plurality of button 64, button 64 for by user to rewriting device 60 input messages.On another outer wall 65 of housing 61, be provided with from the outward extending connecting line 66 of outer wall 65, the end of connecting line 66 is holder 67, holder 67 is provided with outward extending many contact pilotages 68, and the electrical connector that contact pilotage 68 is the present embodiment, for being electrically connected to the electric contact of ink box chip.
In housing 61, be provided with circuit board, be provided with control module, memory cell etc. on circuit board, as shown in figure 10, control module 71 is single-chip microcomputer etc., and its inside arranges sequence number indexing unit 72, for serial number data is carried out to mark processing.Control module 71 can receive the signal of button 64 inputs, and to display driver circuit 76 output signals, by display driver circuit 76, drives display screen 62 work.Control module 71 is electrically connected to contact pilotage 68, and communicates by letter with ink box chip by contact pilotage 68.
Memory cell 73 has sequence number memory block 74 and flag bit memory block 75, sequence number memory block 74 stores serial number data, flag bit memory block 75 is for the flag bit of storage sequence number, as shown in figure 11, sequence number storage area stores has many group sequence number N1, N2, N3 flag bit memory block 75 stores a plurality of flag bit b1, b2, b3 each flag bit is corresponding to one group of serial number data, if flag bit b1 is corresponding to sequence number N1, flag bit b2 is corresponding to sequence number N2 etc., so analogize, therefore serial number data and flag bit are one to one.
Each flag bit is all stored a bit, when corresponding serial number data is not used, uses binary data " 1 " sign, when corresponding serial number data is not used, uses binary data " 0 " sign.Therefore,, when a certain serial number data of not used is written to after the memory of ink box chip, corresponding flag bit will be rewritten as binary number " 0 " from binary number " 1 ".
Certainly, serial number data can be divided and store respectively, manage according to different print cartridge model, ink color, and a certain model, a certain color are corresponding to specific a series of serial number data.
Sequence number indexing unit 72 is for the flag bit of flag bit memory block 75 is managed, as flag bit corresponding to the serial number data that is written into ink box chip revised.
Consumable chip data rewriting device method of work the second embodiment:
The method of work of the rewriting device of the present embodiment is described below in conjunction with Figure 12.When ink box chip is rewritten, the electric contact over against ink box chip by contact pilotage first, realizes being electrically connected to of contact pilotage and ink box chip electric contact.Then, control module execution step S11, determine the print cartridge connecting model, hold the color of ink etc., identical with the first embodiment, the information such as model, color can be passed through key-press input by user, or determines by reading the memory institute canned data of chip.Determine after the information such as model, color, control module will be chosen corresponding a series of serial number data, and control module is only processed a series of serial number data that are selected, as writes in ink box chip, or change flag bit etc.
Then, execution step S2, judge whether print cartridge is brand-new print cartridge, as the information of inputting by user is determined, or by reading ink surplus that ink box chip stores, to print the data such as duration definite.
If judgement print cartridge is not brand-new print cartridge, perform step S13, the serial number data that ink box chip is stored is read and is written in the sequence number memory block of memory cell, flag bit corresponding to this serial number data is set as to the flag bit having been used simultaneously.Then, execution step S16, one group of serial number data of not used is written in the memory of ink box chip, finally performs step S17, by sequence number indexing unit, flag bit corresponding to the serial number data that is just written to ink box chip is revised as to the sign having been used.
In step S12, if judgement print cartridge is not brand-new print cartridge, perform step S14, read the serial number data that ink box chip is stored, then perform step S15, by the serial number data reading be marked as the serial number data of having been used and contrast one by one, if the serial number data reading from ink box chip is different from all serial number data of having been used, the sequence number that represents this brand-new print cartridge can be accepted by ink-jet printer, does not carry out the operation of overwrite sequence number.If the serial number data that judgement is read from ink box chip is identical with arbitrary serial number data of having been used, perform step S16.
In step S16, control module is written to one group of serial number data of not used in the memory of ink box chip, finally performs step S17, and sign corresponding to serial number data that is just written to the memory of ink box chip is revised as to the sign having been used.Certainly, after serial number data is successfully modified, the corresponding information of screen display can shown.In addition, rewriting device can also rewrite the data of ink surplus, printing duration.
In addition, more than two connecting lines can be set on rewriting device, wherein one for being connected with brand-new print cartridge, and like this, control module is connected with contact pilotage on which connecting line to judge by judging print cartridge whether this print cartridge is brand-new print cartridge.
The serial number data of storing due to ink box chip is modified, and while being installed to ink-jet printer after print cartridge filling China ink, can be accepted by printer, avoids situation about cannot print to occur.
If carbon powder box chip is carried out to data rewriting, rewriting device need to can hold the cartridge installation position of cartridge according to the shape setting of cartridge, or uses connecting line to be electrically connected to the electric contact of carbon powder box chip.
Certainly, above-described embodiment is only preferably embodiment of the present invention, during practical application, can also there is more variation, for example, memory cell is not stored the serial number data of having been used, the serial number data that only storage is not used, what serial number data is write arrives after the memory of consumable chip at every turn, and it is that this serial number data is deleted that the usage flag of serial number data is processed; Or, independent flag bit memory block is not set, but use, increase as a token of position of a bit in serial number data, during writing sequence number data, the one digit number of this increase is not write in consumable chip, such change can realize object of the present invention equally.
The variations such as change of the change of serial number data group number, serial number data usage flag mode finally it is emphasized that and the invention is not restricted to above-mentioned embodiment, as also should being included in the protection domain of the claims in the present invention.
Claims (10)
1. consumable chip data rewriting device, comprises
Housing, the memory cell that is provided with control module in described housing and is accessed by described control module, and described rewriting device also arranges the electrical connector being electrically connected to the electric contact of consumable chip, and described electrical connector is electrically connected to described control module;
It is characterized in that:
Described cell stores has more than two groups consumable chip serial number data;
Described control module is provided with sequence number indexing unit, for carrying out usage flag processing to being written to the described serial number data of described consumable chip.
2. consumable chip data rewriting device according to claim 1, is characterized in that:
Described memory cell has the first memory block and the second memory block, and described the first storage area stores has the described serial number data of not used, and described the second storage area stores has the described serial number data of being used.
3. consumable chip data rewriting device according to claim 1, is characterized in that:
Described memory cell has flag bit memory block, described flag bit storage area stores has the flag bit of described serial number data, described flag bit is corresponding one by one with described serial number data, and whether described flag bit is used for identifying corresponding described serial number data.
4. according to the consumable chip data rewriting device described in claims 1 to 3 any one, it is characterized in that:
On described housing, be provided with at least one consumable container installation position, described electrical connector is positioned on described consumable container installation position.
5. according to the consumable chip data rewriting device described in claims 1 to 3 any one, it is characterized in that:
An outer wall of described housing is provided with outward extending connecting line, and described electrical connector is arranged on the end of described connecting line.
6. the method for work of consumable chip data reset apparatus, this reset apparatus comprises control module, memory cell and the electrical connector being electrically connected to the electric contact of consumable chip, described electrical connector is electrically connected to described control module, described cell stores has more than two groups consumable chip serial number data
It is characterized in that, the method comprises:
After described electrical connector is electrically connected to the electric contact of consumable chip, serial number data described in a group is write in the memory of described consumable chip, and this serial number data is carried out to usage flag processing.
7. method of work according to claim 6, is characterized in that:
Described memory cell has the first memory block and the second memory block, and described the first storage area stores has the described serial number data of not used, and described the second memory block is for storing the described serial number data of being used;
Described control module writes before described serial number data to described consumable chip, reads the serial number data that is stored in described memory from the memory of described consumable chip, and read serial number data is written in described the second memory block;
The described serial number data that is written to described consumable chip is the serial number data that described control module reads from described the first memory block, and it is that the serial number data that is written to described consumable chip is deleted from described the first memory block that described usage flag is processed.
8. method of work according to claim 7, is characterized in that:
Before the serial number data that the memory of described consumable chip is stored is read, judge whether described consumable chip is brand-new consumable chip, in this way, the serial number data that described consumable chip is stored is read and is contrasted one by one with the serial number data that store described the second memory block, the all sequences number that the serial number data that described consumable chip is stored if judge is stored with described the second memory block is all not identical, end operation, arbitrary serial number data that the serial number data that described consumable chip is stored if judge is stored with described the second memory block is identical, from described the first memory block, read a serial number data and write in the memory of described consumable chip.
9. method of work according to claim 6, is characterized in that:
Described memory cell has flag bit memory block, described flag bit storage area stores has the flag bit of described serial number data, described flag bit is corresponding one by one with described serial number data, and whether described flag bit is used for identifying corresponding described serial number data;
Described control module writes before described serial number data to described consumable chip, from the memory of described consumable chip, read and be stored in the serial number data of described memory and read serial number data is written in described memory cell, sign corresponding to serial number data that is written to described memory cell is set to the sign having been used;
The serial number data that described control module writes described consumable chip is the serial number data of not used, and it is that the sign that is written to the serial number data of described consumable chip is revised as to the sign having been used that described usage flag is processed.
10. method of work according to claim 9, is characterized in that:
Before the serial number data that the memory of described consumable chip is stored is read, judge whether described consumable chip is brand-new consumable chip, in this way, the serial number data that described consumable chip is stored read and be marked as the serial number data of having been used and contrast one by one, the serial number data that described consumable chip stores if judge is not with all to be marked as the serial number data of having been used all identical, end operation, the serial number data that described consumable chip stores if judge is with arbitrary to be marked as the serial number data of having been used identical, read a serial number data of not used and write in the memory of described consumable chip.
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