CN103879152B - For storing the box chip of imaging cartridge information, imaging cartridge and communication means - Google Patents

For storing the box chip of imaging cartridge information, imaging cartridge and communication means Download PDF

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Publication number
CN103879152B
CN103879152B CN201410083587.7A CN201410083587A CN103879152B CN 103879152 B CN103879152 B CN 103879152B CN 201410083587 A CN201410083587 A CN 201410083587A CN 103879152 B CN103879152 B CN 103879152B
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memory
information
imaging device
instruction
communication bus
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CN103879152A (en
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何礼华
孙学进
向瑶
王佐
罗艳辉
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Jihai Microelectronics Co ltd
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Apex Microelectronics Co Ltd
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Priority to PCT/CN2014/079745 priority patent/WO2015131461A1/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/382—Information transfer, e.g. on bus using universal interface adapter
    • G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices

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  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
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Abstract

The embodiment of the present invention provides a kind of box chip for storing imaging cartridge information, imaging cartridge and communication means, wherein, the described box chip for storing imaging cartridge information, after the information categorization of the imaging cartridge belonging to this box chip is stored into first memory (the storage first information) and second memory (storing the second information), first memory is by the process of imaging device access first memory, change the preset signals feature of signal transmission on communication bus, make second memory cannot collect preset signals feature thus not communicate with imaging device, solving cooperates between first memory with second memory responds into the problem of picture device directive.

Description

For storing the box chip of imaging cartridge information, imaging cartridge and communication means
Technical field
The embodiment of the present invention relates to imaging technique, particularly relates to a kind of box chip, imaging cartridge and communication means for storing imaging cartridge information.
Background technology
Such as thermal transfer imaging equipment, ink-jet image forming apparatus and electrophotographic image forming (such as laser printer and light emitting diode (Light Emitting Diode, be called for short LED) printer) etc. the imaging cartridge storing running stores (such as colouring agent) is installed in imaging device, imaging device in use needs to consume colouring agent, therefore, need supplement colouring agent in time or change imaging cartridge after colouring agent exhausts or damages.Management imaging cartridge conveniently, an information-storing device is set usually on imaging cartridge, i.e. imaging box chip (being called for short box chip), described box chip for storing the relevant information of imaging cartridge, the information such as such as date of manufacture, colorant type/color, manufacturer, authentication information, colouring agent capacity, colouring agent surplus or consumption.
Based on the demand of multi-color printing, in single imaging device, be provided with one or more imaging cartridge, each imaging cartridge stores the colouring agent of dissimilar/color respectively, accordingly, need for each imaging cartridge arranges box chip respectively, each box chip is in order to store the relevant information of affiliated imaging cartridge.The information stored in box chip comprises information of can rewriting and can not rewrite information, and such as, manufacturer and colouring agent capacity information belong to can not rewrite information, and colouring agent surplus or consumption belong to can rewrite information.If all information stored together, just need the programmable storage of larger capacity, cause the high cost of box chip.Given this, the information stored in box chip is sorted out, can the information of rewriting be stored in programmable storage, and can not the information of rewriting be stored in read-only storage, because read-only memory structure is simple and cost is low, the cost of box chip thus can be reduced.
Imaging device and box chip adopt host-client pattern to communicate, and imaging device is main frame, and box chip is client computer, and the rule of communication between imaging device and box chip and sequential are controlled by imaging device; But after the information stored in box chip is carried out classified and stored by prior art, the instruction of the response imaging device that how to cooperate between programmable storage with read-only storage is problem in the urgent need to address at present.Be not limited only to the cooperation between programmable storage and read-only storage, for the cooperation of the instruction of response imaging device also exists same problem between other identical types or different kinds of memory.
Summary of the invention
The embodiment of the present invention provides a kind of box chip, imaging cartridge and communication means for storing imaging cartridge information, responds into the problem of picture device directive to solve cooperation between multiple memory.
First aspect, the embodiment of the present invention provides a kind of box chip for storing imaging cartridge information, at least comprises first memory and second memory; Described first memory and second memory use same communication bus to communicate with imaging device, and described communication bus at least comprises power line, clock line and data wire; Described first memory, for storing identifying information and the first information of described imaging cartridge; Described second memory, for storing the second information of described imaging cartridge; Wherein, the described first information and the second information store according to the addressing rule preset respectively; Wherein,
Described first memory, also for receiving the instruction that described imaging device is sent by described data wire, and judges whether the imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge stored in described first memory:
If coupling, then described first memory is according to the access address in described instruction and access byte number, judge that described imaging device is the need of the described first memory of access and/or described second memory: described imaging device needs to access described first memory if determine, then access at described imaging device in the process of described first memory, change the preset signals feature of signal transmission on described communication bus; If determine, described imaging device needs to access described second memory, then, when described imaging device needs to access described second memory, do not change the preset signals feature of signal transmission on described communication bus;
If do not mate, then described first memory does not communicate with described imaging device, and does not change the preset signals feature of signal transmission on described communication bus;
Described second memory, also for receiving described instruction, and gathers the signal characteristic of signal transmission on described communication bus; If collect described preset signals feature, then according to described instruction, use described second information to communicate with described imaging device; If do not collect described preset signals feature, then do not communicate with described imaging device.
According to first aspect, in the first possible implementation of first aspect, described second memory, also for storing the identifying information of described imaging cartridge;
Described second memory, specifically for receiving described instruction, and judge whether the imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge stored in described second memory, and when determining that the identifying information of the imaging cartridge identifying information in described instruction with the described imaging cartridge stored in described second memory mates, gather the signal characteristic of signal transmission on described communication bus: if collect described preset signals feature, then according to described instruction, use described second information to communicate with described imaging device; If do not collect described preset signals feature, then do not communicate with described imaging device.
According to the first possible implementation of first aspect or first aspect, in the implementation that the second of first aspect is possible, described signal characteristic comprises following at least one: the dutycycle of signal, signal are at the level value of predetermined time.
The implementation possible according to the second of first aspect, in the third possible implementation of first aspect, the described first information comprises can rewrite information; Described second information comprises can not rewrite information;
Described first memory comprises rewritable memory, and the described first information is stored in described rewritable memory; Described second memory comprises not rewritable memory, in not rewritable memory described in described second information is stored in.
The box chip for storing imaging cartridge information adopting above-mentioned first aspect to provide, after the information categorization of the imaging cartridge belonging to this box chip is stored into first memory (the storage first information) and second memory (storing the second information), first memory is by the process of imaging device access first memory, change the preset signals feature of signal transmission on communication bus, make second memory cannot collect preset signals feature thus not communicate with imaging device, solving cooperates between first memory with second memory responds into the problem of picture device directive.
Second aspect, the embodiment of the present invention provides a kind of box chip for storing imaging cartridge information, at least comprises first memory and second memory; Described first memory and second memory use same communication bus to communicate with imaging device, and described communication bus at least comprises power line, clock line and data wire; Described first memory, for storing identifying information and the first information of described imaging cartridge; Described second memory, for storing the second information of described imaging cartridge; Wherein, the described first information and the second information store according to the addressing rule preset respectively; Wherein,
Described first memory, also for receiving the instruction that described imaging device is sent by described data wire, and judges whether the imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge stored in described first memory:
If coupling, then described first memory is according to the access address in described instruction and access byte number, judge that described imaging device is the need of the described first memory of access and/or described second memory: described imaging device needs to access described first memory if determine, then use the described first information to communicate with described imaging device; If determine, described imaging device needs to access described second memory, then, before described second memory accessed by described imaging device, the signal characteristic of signal transmission on described communication bus is changed into preset signals feature;
If do not mate, then described first memory does not communicate with described imaging device, and does not change the preset signals feature of signal transmission on described communication bus;
Described second memory, also for receiving described instruction, and gathers the signal characteristic of signal transmission on described communication bus; If when collecting described preset signals feature, then according to described instruction, use described second information to communicate with described imaging device; If when not collecting described preset signals feature, then do not communicate with described imaging device.
The box chip for storing imaging cartridge information adopting above-mentioned second aspect to provide, after the information categorization of the imaging cartridge belonging to this box chip is stored into first memory (the storage first information) and second memory (storing the second information), first memory by need at imaging device access second memory before, the signal characteristic of signal transmission on described communication bus is changed into preset signals feature, make second memory can collect preset signals feature thus communicate with imaging device, solving cooperates between first memory with second memory responds into the problem of picture device directive.
The third aspect, the embodiment of the present invention provides a kind of imaging cartridge, and described imaging cartridge can be installed to imaging device, and wherein, any one comprising that above-mentioned first aspect provides is for storing the box chip of imaging cartridge information.
Adopt the imaging cartridge that the above-mentioned third aspect provides, for storing the box chip of imaging cartridge information after the information categorization of the imaging cartridge belonging to this box chip is stored into first memory (the storage first information) and second memory (storing the second information), first memory is by the process of imaging device access first memory, change the preset signals feature of signal transmission on communication bus, make second memory cannot collect preset signals feature thus not communicate with imaging device, solving cooperates between first memory with second memory responds into the problem of picture device directive.
Fourth aspect, the embodiment of the present invention provides a kind of communication means, and described imaging cartridge can be installed to imaging device, wherein, comprises the box chip for storing imaging cartridge information that above-mentioned second aspect provides.
The box chip for storing imaging cartridge information adopting above-mentioned fourth aspect to provide, for storing the box chip of imaging cartridge information after the information categorization of the imaging cartridge belonging to this box chip is stored into first memory (the storage first information) and second memory (storing the second information), first memory by need at imaging device access second memory before, the signal characteristic of signal transmission on described communication bus is changed into preset signals feature, make second memory can collect preset signals feature thus communicate with imaging device, solving cooperates between first memory with second memory responds into the problem of picture device directive.
5th aspect, the embodiment of the present invention provides a kind of communication means, and wherein, the method is applied to imaging device and for storing the communication of the box chip of imaging cartridge information, described imaging cartridge can be installed to described imaging device; Described box chip at least comprises first memory and second memory; Described first memory and second memory use same communication bus to communicate with described imaging device, and described communication bus at least comprises power line, clock line and data wire; Described first memory, for storing identifying information and the first information of described imaging cartridge; Described second memory, for storing the second information of described imaging cartridge; Wherein, the described first information and the second information store according to the addressing rule preset respectively; Described method comprises:
Described first memory receives the instruction that described imaging device is sent by described data wire, and judges whether the imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge stored in described first memory:
If coupling, then described first memory is according to the access address in described instruction and access byte number, judge that described imaging device is the need of the described first memory of access and/or described second memory: described imaging device needs to access described first memory if determine, then access at described imaging device in the process of described first memory, change the preset signals feature of signal transmission on described communication bus; If determine, described imaging device needs to access described second memory, then, when described imaging device needs to access described second memory, do not change the preset signals feature of signal transmission on described communication bus;
If do not mate, then described first memory does not communicate with described imaging device, and does not change the preset signals feature of signal transmission on described communication bus;
Described second memory receives described instruction, and gathers the signal characteristic of signal transmission on described communication bus; If when collecting described preset signals feature, then according to described instruction, use described second information to communicate with described imaging device; If do not collect described preset signals feature, then do not communicate with described imaging device.
According to the 5th aspect, in the first the possible implementation in the 5th, described method also comprises: described second memory also stores the identifying information of described imaging cartridge;
Described second memory receives described instruction, and gathers the signal characteristic of signal transmission on described communication bus, comprising:
Described second memory receives described instruction, and judge whether the imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge stored in described second memory, and when determining that the identifying information of the imaging cartridge identifying information in described instruction with the described imaging cartridge stored in described second memory mates, gather the signal characteristic of signal transmission on described communication bus.
According to the first possible implementation of the 5th aspect or the 5th aspect, in the implementation that the second in the 5th is possible, described signal characteristic comprises following at least one: the dutycycle of signal, signal are at the level value of predetermined time.
The implementation possible according to the second of the 5th aspect, in the third the possible implementation in the 5th, the described first information comprises can rewrite information; Described second information comprises can not rewrite information;
Described first memory comprises rewritable memory, and the described first information is stored in described rewritable memory; Described second memory comprises not rewritable memory, in not rewritable memory described in described second information is stored in.
Adopt the communication means that above-mentioned 5th aspect provides, for storing the box chip of imaging cartridge information after the information categorization of the imaging cartridge belonging to this box chip is stored into first memory (the storage first information) and second memory (storing the second information), first memory is by the process of imaging device access first memory, change the preset signals feature of signal transmission on communication bus, make second memory cannot collect preset signals feature thus not communicate with imaging device, solving cooperates between first memory with second memory responds into the problem of picture device directive.
6th aspect, the embodiment of the present invention provides a kind of communication means, and wherein, the method is applied to imaging device and for storing the communication of the box chip of imaging cartridge information, described imaging cartridge can be installed to described imaging device; Described box chip at least comprises first memory and second memory; Described first memory and second memory use same communication bus to communicate with described imaging device, and described communication bus at least comprises power line, clock line and data wire; Described first memory, for storing identifying information and the first information of described imaging cartridge; Described second memory, for storing the second information of described imaging cartridge; Wherein, the described first information and the second information store according to the addressing rule preset respectively; Described method comprises:
Described first memory receives the instruction that described imaging device is sent by described data wire, and judges whether the imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge stored in described first memory:
If coupling, then described first memory is according to the access address in described instruction and access byte number, judge that described imaging device is the need of the described first memory of access and/or described second memory: described imaging device needs to access described first memory if determine, then use the described first information to communicate with described imaging device; If determine, described imaging device needs to access described second memory, then, before described second memory accessed by described imaging device, the signal characteristic of signal transmission on described communication bus is changed into preset signals feature;
If do not mate, then described first memory does not communicate with described imaging device, and does not change the preset signals feature of signal transmission on described communication bus;
Described second memory receives described instruction, and gathers the signal characteristic of signal transmission on described communication bus; If when collecting described preset signals feature, then according to described instruction, use described second information to communicate with described imaging device; If do not collect described preset signals feature, then do not communicate with described imaging device.
Adopt the communication means that above-mentioned 6th aspect provides, for storing the box chip of imaging cartridge information after the information categorization of the imaging cartridge belonging to this box chip is stored into first memory (the storage first information) and second memory (storing the second information), first memory by need at imaging device access second memory before, the signal characteristic of signal transmission on described communication bus is changed into preset signals feature, make second memory can collect preset signals feature thus communicate with imaging device, solving cooperates between first memory with second memory responds into the problem of picture device directive.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the box chip for storing imaging cartridge information that Fig. 1 provides for the embodiment of the present invention;
The structural representation of the first memory that Fig. 2 provides for the embodiment of the present invention;
The structural representation of the telecommunication circuit of the first memory that Fig. 3 provides for the embodiment of the present invention and imaging device;
Fig. 4 is the embodiment of the present invention first memory provided and the sequential chart carrying out the clock line communicated between imaging device;
Another structural representation of the telecommunication circuit of the first memory that Fig. 5 provides for the embodiment of the present invention and imaging device;
Fig. 6 is another sequential chart of the embodiment of the present invention first memory provided and the clock line carrying out between imaging device communicating;
A structural representation again of the telecommunication circuit of the first memory that Fig. 7 provides for the embodiment of the present invention and imaging device;
The structural representation of the imaging cartridge that Fig. 8 provides for the embodiment of the present invention;
The flow chart of the communication means that Fig. 9 provides for the embodiment of the present invention.
Detailed description of the invention
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The structural representation of the box chip for storing imaging cartridge information that Fig. 1 provides for the embodiment of the present invention.As shown in Figure 1, the box chip 1 for storing imaging cartridge information that the embodiment of the present invention provides, for storing the information of imaging cartridge 2, comprise: first memory 11 and second memory 12, described first memory 11 uses same communication bus to communicate with imaging device 3 with described second memory 12, and described communication bus at least comprises power line (Vcc), clock line (CLK) and data wire (DA); Described imaging device 3 sends instruction by described data wire to described first memory 11 and described second memory 12, described instruction comprises: operation information (such as, read or write), imaging cartridge identifying information, access address and access byte number, also can comprise other related datas.After the information of described imaging cartridge 2 is carried out classification by the described box chip 1 for storing imaging cartridge information, (being categorized as the first information and the second information) stores described first memory 11 and described second memory 12 respectively; Described first memory 11, for storing identifying information (Identification is called for short ID) and the first information of described imaging cartridge 2; Described second memory 12, for storing the second information of described imaging cartridge 2; The described first information and the second information store according to the addressing rule preset respectively; Described default addressing rule is the rule that information is stored into concrete storage address.
Except carrying out with described imaging device 3 communication bus that communicates between described first memory 11 with described second memory 12, without any connection; Described first memory 11 works alone with described second memory 12, and coordinates the instruction of the described imaging device 3 of response.
Described first memory 11, also for receiving the instruction that described imaging device 3 is sent by described data wire, and judges whether the imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge 2 stored in described first memory 11:
If described first memory 11 judges whether the imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge 2 stored in described first memory 11, then described first memory 11 is according to the access address in described instruction and access byte number, judge that described imaging device 3 is the need of the described first memory 11 of access and/or described second memory 12: described imaging device 3 needs to access described first memory 11 if determine, then access at described imaging device 3 in the process of described first memory 11, change the preset signals feature of signal transmission on described communication bus, if determine, described imaging device 3 needs to access described second memory 12, then, when described imaging device 3 needs to access described second memory 12, do not change the preset signals feature of signal transmission on described communication bus,
If described first memory 11 judges whether the imaging cartridge identifying information in described instruction does not mate with the identifying information of the described imaging cartridge 2 stored in described first memory 11, then described first memory 11 does not communicate with described imaging device 3, and does not change the preset signals feature of signal transmission on described communication bus;
Described second memory 12, also for receiving the described instruction that described imaging device 3 is sent by described data wire, and gathers the signal characteristic of signal transmission on described communication bus; If collect described preset signals feature, then according to described instruction, use described second information to communicate with described imaging device 3; If do not collect described preset signals feature, then do not communicate with described imaging device 3.
Adopt the box chip for storing imaging cartridge information that the embodiment of the present invention provides, after the information categorization of the imaging cartridge belonging to this box chip is stored into first memory (the storage first information) and second memory (storing the second information), first memory is by the process of imaging device access first memory, change the preset signals feature of signal transmission on communication bus, make second memory cannot collect preset signals feature, thus do not communicate with imaging device, solving cooperates between first memory with second memory responds into the problem of picture device directive.
Above-mentioned second memory 12 responds the method for preset signals feature, be applicable to the situation described communication bus being only connected with a second memory 12, if described communication bus is connected with two or more second memories, then second memory 12 responds the preset signals feature collected with needing distinctiveness.Optionally, described second memory 12, also for storing the identifying information of described imaging cartridge 2; Described second memory 12, also by judging whether the imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge 2 stored in described second memory 12, and when mating, gather the signal characteristic of signal transmission on described communication bus: if collect described preset signals feature, then according to described instruction, use described second information to communicate with described imaging device; If do not collect described preset signals feature, then do not communicate with described imaging device.
On the basis of above-described embodiment, to be a kind of feasible implementation of the described first information and described second information by the information classification of described imaging cartridge 2 be the described box chip 1 for storing imaging cartridge information: the information of described imaging cartridge 2 can be divided into information of can rewriting and can not rewrite information by the described box chip 1 for storing imaging cartridge information; The described first information can comprise can rewrite information, such as, and colouring agent surplus or consumption; Described second information can comprise can not rewrite information, such as, and manufacturer, date of manufacture, authentication information and colouring agent capacity information.Optionally, described first memory 11 comprises rewritable memory, programmable storage can be adopted, such as: Erarable Programmable Read only Memory (Erasable Programmable Read Only Memory, be called for short EPROM), Electrically Erasable Read Only Memory (Electrically Erasable Programmable Read Only Memory, be called for short EEPROM), flash memory (FLASH), ferroelectric memory, the nonvolatile memories such as phase transition storage (non-volatile memory), also volatile memory can be adopted to add the scheme of power supply, such as SRAM+ battery or electric capacity, DRAM+ battery or electric capacity, the described first information is stored in described rewritable memory.Described second memory 12 comprises not rewritable memory, read-only storage can be adopted, the such as above-mentioned memory mentioned, or primary memory (One Time Programmablememory, OTP), the memory of the simple and erasable circuit complexity of reading circuit can also be adopted; In not rewritable memory described in described second information is stored in.
Whether be understandable that, the information of imaging cartridge 2 also can be classified according to other classifying rules by the described box chip 1 for storing imaging cartridge information, such as also can according to comprising authentication information and be divided into following two classes: authentication information and non-authentication information; Now, the described first information can comprise authentication information; Described second information can comprise other information except authentication information, described first memory 11 is for imaging device certification, need the Logical processing unit of more complicated, and described second memory 12 is only for storing data, does not need complicated Logical processing unit.
Understanding the content of the embodiment of the present invention for convenience, supposing that the described first information and described second information are at the described storage condition for storing in the box chip 1 of imaging cartridge information below, as shown in Table 1 and Table 2:
The mapping table of table 1 first information in first memory 11
00 Imaging cartridge ID
01 The first information
… The first information
K The first information
The mapping table of table 2 second information in second memory 12
K+1 Imaging cartridge ID
K+2 Second information
… Second information
N-1 Second information
As shown in Table 1 and Table 2, the identifying information of described imaging cartridge 2 and the described first information is stored in first memory 11, the described first information stores according to the addressing rule preset: the identifying information (imaging cartridge ID) of described imaging cartridge 2 is stored in first address 00, the first information stores from low order address 01, until high address K; The identifying information of described imaging cartridge 2 and described second information is stored in second memory 12, described second information also stores according to the addressing rule preset, and, the access address of described second information can be associated with the access address of the described first information: the identifying information (imaging cartridge ID) of described imaging cartridge 2 is stored in address K+1, second information stores from relative low order address K+2, until high address N-1; The information of each address is a byte.The access address of the second information is after the access address of the first information, it should be noted that, the access address relation of the described first information and described second information is not limited thereto, and, be arranged on one to have more than for the number storing the memory in the box chip of imaging cartridge information and be limited to two that the embodiment of the present invention provides, also can comprise the identical type of two or more or dissimilar memory.
For completing memory function, above-mentioned memory (such as first memory 11, second memory 12) can be made up of hardware circuit, comprise I/O (I/O) circuit, control module and memory module, wherein: I/O circuit is connected to control module, and directly electrical connection or less radio-frequency are connected to external communication circuit, as above-mentioned communication bus, for providing communication link to communicate with imaging device for control module; Memory module is for storing imaging cartridge relevant information; Control module (as single-chip microcomputer the microprocessor that forms) for responding the instruction that received by I/O circuit and possessing functions such as the read-write operations of memory module.The apparatus structure of memory is described for first memory 11 below.
The structural representation of the first memory that Fig. 2 provides for the embodiment of the present invention.As shown in Figure 2, described first memory 11 comprises I/O circuit 111, control module 112 and memory module 113, wherein:
I/O circuit 111 is connected to control module 112, and directly electrical connection or less radio-frequency are connected to communication bus (power line Vcc, clock line CLK, data wire DA and ground wire GND), for providing communication link for control module 112, so that control module 112 communicates with imaging device 3.
Control module 112 is for responding the instruction that received by I/O circuit 111 and possessing functions such as the read-write operations of memory module 113.
Memory module 113 is for storing the identifying information of described imaging cartridge 2 and the described first information.
For ease of understanding the solution of the present invention, be described in detail below by the process of a specific embodiment to the instruction responding imaging device 3 that cooperates between first memory 11 with second memory 12.
Described first memory 11 receives by I/O circuit 111 instruction that described imaging device 3 sent by described data wire DA;
Described first memory 11 judges by control module 112 whether the imaging cartridge identifying information in the instruction received mates with the identifying information of the described imaging cartridge 2 stored in memory module 113:
If coupling, then described first memory 11 is according to the access address in described instruction and access byte number, the range of information that described instruction is specifically related to can be known, and judge that described imaging device 3 is the need of the described first memory 11 of access and/or described second memory 12.Optionally, the range of information that described instruction is specifically related to, can divide following three kinds of situations:
(1) the described first information is only comprised
Described first memory 11 determines that described imaging device 3 only needs to access described first memory 11: the access address in presumptive instruction is 02, and access byte number is 3 bytes, then represent that the information that this instruction specifically will access is from access address 02, terminate to amount to the data of 3 bytes to access address 04; According to above-mentioned table 1 and table 2 known, this instruction is specifically related to the described first information, then described first memory 11 communicates with described imaging device 3 according to the operation information in this instruction.If described operation information is read operation, then described first memory 11 is by control module 112, reads data, then send to described imaging device 3 by I/O circuit 111 from these 3 addresses; Or if described operation information is write operation, then the data in this instruction are stored in these 3 addresses by control module 112 by described first memory 11.
Described first memory 11 is carrying out communicating in the process of (described first memory 11 accessed by described imaging device 3) according to the operation information in this instruction and described imaging device 3, change the preset signals feature of signal transmission on described communication bus, make described second memory 12 on described communication bus, not collect described preset signals feature, thus described second memory 12 does not communicate with described imaging device 3.
Optionally, described signal characteristic comprises following at least one: the dutycycle of signal, signal are at the level value of predetermined time.Described signal can be such as power supply signal, clock signal or data-signal; The dutycycle of described signal can be such as the dutycycle of clock signal pulse width; Described signal at the level value of predetermined time, such as, can be the level of power supply signal at predetermined time.
(2) described second information is only comprised
Described first memory 11 determines that described imaging device 3 only needs to access described second memory 12: the access address in presumptive instruction is K+2, and access byte number is 4 bytes, then represent that the information that this instruction specifically will access is from the K+2 of access address, terminate the data of 4 bytes altogether to access address K+5; According to above-mentioned table 1 and table 2 known, this instruction is specifically related to described second information, then described first memory 11 does not communicate with described imaging device 3, do not change the preset signals feature of signal transmission on described communication bus, make described second memory 12 can collect described preset signals feature by the I/O circuit of described second memory 12 on described communication bus.Described second memory 12 is when collecting described preset signals feature, according to this instruction, described second information is used to communicate with described imaging device 3, such as by the I/O circuit of described second memory 12, the second information being stored in address K+2 to K+5 is returned (transmission) to described imaging device 3.
(3) the described first information and described second information is comprised
Described first memory 11 determines that described imaging device 3 needs successively to access described first memory 11 and described second memory 12: the access address in presumptive instruction is K-2, and access byte number is 4 bytes, then represent that the information that this instruction specifically will access is from the K-2 of access address, terminate the data of 4 bytes altogether to access address K+1.According to above-mentioned table 1 and table 2 known, in this instruction, address K-2 belongs to the first information to the data of address K, and the data of address K+1 belong to the second information.
Described first memory 11 communicates with described imaging device 3 according to the operation information in this instruction.If described operation information is read operation, then described first memory 11 is by control module 112, reads data, then send to described imaging device 3 by I/O circuit 111 from these 3 addresses; Or if described operation information is write operation, then the data in this instruction are stored in these 3 addresses by control module 112 by described first memory 11.Simultaneously, described first memory 11 changes the preset signals feature of signal transmission on described communication bus, make described second memory 12 on described communication bus, not collect described preset signals feature, thus described second memory 12 does not communicate with described imaging device 3.
After the data manipulation of these 3 addresses is completed, described first memory 11 stops the preset signals feature changing signal transmission on described communication bus, now, described second memory 12 can collect described preset signals feature by the I/O circuit of described second memory 12 on described communication bus, by the I/O circuit of described second memory 12, the second information being stored in address K+1 is returned to described imaging device 3.
If described first memory 11 judges that the imaging cartridge identifying information in described instruction does not mate with the identifying information of the described imaging cartridge 2 stored in memory module 113, then described first memory 11 does not communicate with described imaging device 3, and does not change the preset signals feature of signal transmission on described communication bus.
Those of ordinary skill in the art should understand, the preset signals feature of signal transmission on the described communication bus of described change, can be realized by add-on device, and described device can be integrated in described first memory 11 in whole or in part, a kind of feasible scheme is that described first memory 11 utilizes control module 112 to change the preset signals feature of signal transmission on described communication bus.
For ease of understanding the solution of the present invention, below by several specific embodiment to the preset signals feature of first memory by signal transmission on change communication bus, realizing cooperates between first memory with second memory, and the technical scheme responded into as device directive is described in detail.
The structural representation of the telecommunication circuit of the first memory that Fig. 3 provides for the embodiment of the present invention and imaging device.Those of ordinary skill in the art should understand, above-mentioned first memory 11 can be made up of hardware circuit, owing to generally all including timer in memory, embodiments provide a kind of utilize memory itself to comprise electrical equipment and the method for imaging device communication.As shown in Figure 3, in the embodiment of the present invention, first memory 11 also comprises assists port P1, be connected to the control module 112 of first memory 11, and be connected to clock line CLK by I/O circuit 111, for control module 112 pairs of clock signals collection and/or to change on described clock line CLK the default dutycycle of clock signal of transmission; Wherein, the preset value of the ratio of default dutycycle shared by the high-pulse widths time (TH) of clock signal within the single cycle of described clock signal.
Described first memory 11 receives by I/O circuit 111 instruction that described imaging device 3 sent by described data wire DA.
Whether the imaging cartridge identifying information that described first memory 11 is judged in described instruction by control module 112 mates (identical) with the identifying information of the described imaging cartridge 2 stored in memory module 113.
If coupling, then described first memory 11 is according to the access address in described instruction and access byte number, the range of information that described instruction is specifically related to can be known, if determine, described imaging device 3 needs to access described first memory 11, then described first memory 11 uses the described first information to communicate with imaging device 3, and when described first memory 11 collects the rising edge of the clock signal of imaging device 3, first memory 11 starts timer internal.Fig. 4 is the embodiment of the present invention first memory provided and the sequential chart carrying out the clock line communicated between imaging device.As shown in Figure 4, the timing (T1) of timer internal that provides of the embodiment of the present invention with high-pulse widths time TH in the single cycle being less than clock signal for boundary line; When the timing T1 of timer reaches, first memory 11 directly moves 0 level by assisting port P1 to the level of clock signal.The described method dragged down by the level of clock signal can be: after timer time arrives T1, assistance port P1 is received low level (as ground wire GND), hold time (T2) that assist port P1 to drag down clock signal level is greater than the high-pulse widths time TH of clock signal, and be less than the complete pulse cycle (TH+TL) of a clock signal, after the timing T2 of timer arrives, first memory 11 is set to high-impedance state assisting port P1, first memory 11 repeats aforesaid operations when the rising edge of the clock signal of next cycle arrives, to be lowered into the default dutycycle of picture equipment clock signal, make described second memory 12 on described clock line, not collect the clock signal feature preset of clock signal, described default clock signal has default dutycycle, thus described second memory 12 does not communicate with described imaging device 3.Visible, the preset signals feature of the present embodiment is: the default dutycycle of clock signal is the preset value of the high-pulse widths time (TH) of clock signal within the single cycle; Change preset signals to be characterized as: the dutycycle reducing clock signal pulse width, the high-pulse widths time by clock signal changes over T1 duration.
If determine, described imaging device 3 needs to access described second memory 12, then described first memory 11 stops or not communicating with described imaging device 3, and stop or changing the default dutycycle of the clock signal that described clock line CLK transmits, such as, first memory 11 is set to high-impedance state assisting port P1; Now, described second memory 12 collects default clock signal (the default dutycycle of clock signal) on described clock line, uses described second information to communicate with imaging device 3, and does not affect clock signal pulse during work;
If do not mate, then described first memory 11 and second memory 12 do not communicate with described imaging device 3, and do not change the preset signals feature of signal transmission on described communication bus.
Those of ordinary skill in the art should understand, one or more steps of described first memory 11 and second memory 12 and the communication process of imaging device 3 can be realized by microprocessors such as such as single-chip microcomputers, as the collection that can realize clock signal clk rising edge by single-chip microcomputer.The collection of second memory 12 pairs of clock signals, has various ways simultaneously, and as gathered the pulse width of clock signal, such as gather again the level value etc. of the clock signal of arbitrary particular moment between T1 to TH, this particular moment also can be selected by timer.Equally, the default dutycycle of the clock signal of transmission on described change described clock line CLK, be not limited to the dutycycle reducing clock signal clk pulse width, by gathering the trailing edge of clock signal, when trailing edge arrives, timer internal can also be started, after the timing of timer arrives, clock line CLK is connected to power line Vcc, draws high its voltage by the effect of power supply signal, to increase the dutycycle of clock signal clk.
Another structural representation of the telecommunication circuit of the first memory that Fig. 5 provides for the embodiment of the present invention and imaging device.During due to imaging device and box chip communication, the clock signal that imaging device sends may be there is change, the pulse width of such as clock signal or the change of clock frequency, in the embodiment shown in fig. 3, if clock signal low level width only has the half of TL, then may there is the situation of T1+T2>TH+TL, like this at the end of first memory 11 drags down the T2 that holds time of clock signal level by assistance port P1, the rising edge of the clock signal of imaging device 3 is assisted the discharge process cancellation of port P1, control module 112 may not respond the instruction of imaging device 3 in time, thus cause communication abnormality.Obviously this is due in above-described embodiment, and the T2 that holds time assisting port P1 to drag down clock signal level is that a steady state value causes.
For avoiding occurring above-mentioned situation, as shown in Figure 5, first memory 11 also comprises trailing edge acquisition cuicuit, for obtaining the trailing edge of clock signal, to inform that first memory 11 is within the single clock cycle, stop the operation dragging down clock signal level in time, to avoid occurring above-mentioned situation.This trailing edge acquisition cuicuit comprises: resistance R1, resistance R2 and voltage comparator A1, wherein: resistance R1 and resistance R2 is connected in series between power line Vcc and ground wire GND, for producing dividing potential drop (Vref) at the tie point place of R1 and R2 and being input to the negative input of voltage comparator A1; The electrode input end of voltage comparator A1 is connected to clock line CLK; The power input of voltage comparator A1 is connected to power line Vcc, and earth terminal is connected to ground wire GND.First memory 11 also comprises: assist port P2 and detection port P3, P2 and P3 to be connected respectively to control module 112, wherein, P2 is connected to clock line CLK through resistance R3, for changing the dutycycle of the clock signal pulse width of transmission on described clock line CLK; The output of voltage comparator A1 is connected to P3; The voltage swing that P3 exports for detecting voltage comparator A1.
Described first memory 11 receives by I/O circuit 111 instruction that described imaging device 3 sent by described data wire DA.
Whether the imaging cartridge identifying information that described first memory 11 is judged in described instruction by control module 112 mates with the identifying information of the described imaging cartridge 2 stored in memory module 113.
If coupling, then described first memory 11 is according to the access address in described instruction and access byte number, the range of information that described instruction is specifically related to can be known, if determine, described imaging device 3 needs to access described first memory 11, then described first memory 11 uses the described first information to communicate with imaging device 3, and when described first memory 11 collects the rising edge of the clock signal of imaging device 3, first memory 11 starts timer internal.
Fig. 6 is another sequential chart of the embodiment of the present invention first memory provided and the clock line carrying out between imaging device communicating.As shown in Figure 6, the timing T1 of timer internal that provides of the embodiment of the present invention is to be less than the high-pulse widths TH of clock signal for boundary line; When the timing T1 of timer reaches, first memory 11 pulls into clock signal clk by P2 a level point (Va) in Fig. 6; The concrete magnitude of voltage of a level point Va is determined by resistance R3 value, optionally, a level point Va meets complementary metal oxide semiconductors (CMOS) (Complementary Metal Oxide Semiconductor, be called for short CMOS) low level scope, and be greater than the low level value of clock signal, to make second memory 12 when collecting a level point Va, judge that a level point is low level.Described have multiple by the mode that the level of clock signal drags down, such as, because the driving force of imaging device 3 is limited, then can by increasing the On current of clock line and ground wire, in such as Fig. 6, P2 is received low level, thus the resistance value reduced between clock line and ground wire, clock line discharges larger electric current by resistance R3, and then the level of the clock signal that imaging device 3 is exported is dragged down; Can change by the size of setting R3 resistance the size that it flows through electric current, and then change the level of clock signal; At the end of high-pulse widths continues TH duration, at the end of the lasting duration (T3) also dragged down by the level of clock signal, imaging device 3 can directly move 0 level to clock signal, because which form the staircase waveform of a point shown in Fig. 6.First memory 11 by above-mentioned trailing edge acquisition cuicuit detect a point in staircase waveform to 0 level change procedure after, first memory 11 stops dragging down clock signal after t 3 in time, and P2 is set to high-impedance state; Aforesaid operations is repeated when the rising edge of the clock signal of next cycle arrives.
In Fig. 6, the value of Vref is in staircase waveform between a level point Va and the low level of clock signal, according to the characteristic of voltage comparator, after T1 duration terminates, the voltage of the electrode input end of A1 is Va, the voltage of negative input is Vref, Va>Vref, then A1 exports high level; And at the end of TH duration, clock signal is imaged equipment 3 and is pulled to 0 level, now, the voltage of the electrode input end of A1 is less than Vref, then A1 output low level.When by control module 112, first memory 11 detects that P3 port has level to overturn, represent that single staircase waveform completes, at this moment first memory 11 is set to high-impedance state P2.
If when determining that described imaging device 3 needs to access described second memory 12, described first memory 11 stops or not communicating with described imaging device 3, and P2 is set to high-impedance state; Now, described second memory 12 collects default clock signal (dutycycle of default clock signal pulse width) on described clock line, uses described second information to communicate with imaging device 3, and does not affect clock signal pulse during work.
If when not mating, then described first memory 11 and second memory 12 all do not communicate with described imaging device 3, and do not change the preset signals feature of signal transmission on described communication bus.
Those of ordinary skill in the art should understand, the collection of described second memory 12 pairs of clock signals, there is various ways, as gathered the pulse width of clock signal, such as gather again the level value etc. of the clock signal of arbitrary particular moment between T1 to TH, if the level value collected is Va, belong to low level scope, then described second memory 12 does not collect default clock signal on described clock line.
In the embodiment of the present invention, first memory 11 pulls into a level point Va(low level by assisting port P2 clock signal), and at the end of high-pulse widths continues TH duration, imaging device 3 directly moves clock signal to 0 level, ensure that first memory 11 pulls into clock signal by P2 the finish time of low level lasting duration T3, arrive prior to the rising edge of the clock signal of imaging device 3, even if when the pulse width of the clock signal that imaging device 3 sends or clock frequency change, also dragging down clock signal can be stopped in time.
Those of ordinary skill in the art should understand, when the timing of timer reaches T1, also can by a level point Va La get Geng Gao, even when clock signal high value is less than the value of power supply signal Vcc, can be suitable Va is moved to the high value being greater than original clock signal, accordingly, only specific clock signal Acquisition Circuit need be set in second memory 12 to identify normal clock signal.In addition, the part or all of electronic component of described trailing edge acquisition cuicuit, can a part or whole part be integrated in described first memory 11, just without the need to arranging voltage comparator A1 in such trailing edge acquisition cuicuit; Optionally, the voltage comparator self had can be used in the memory self with voltage comparator.
A structural representation again of the telecommunication circuit of the first memory that Fig. 7 provides for the embodiment of the present invention and imaging device.As shown in Figure 7, in the embodiment of the present invention, first memory 11 also comprises assists port P4, is connected to the control module 112 of first memory 11, and is connected to power line Vcc by I/O circuit 111, for changing the level of power supply signal at predetermined time.
Described first memory 11 receives by I/O circuit 111 instruction that described imaging device 3 sent by described data wire DA.
Whether the imaging cartridge identifying information that described first memory 11 is judged in described instruction by control module 112 mates with the identifying information of the described imaging cartridge 2 stored in memory module 113.
If coupling, then described first memory 11 is according to the access address in described instruction and access byte number, the range of information that described instruction is specifically related to can be known, if determine, described imaging device 3 needs to access described first memory 11, then described first memory 11 uses the described first information to communicate with imaging device 3, and the level of power supply signal is pulled low to VccL, now, it is work under the low-power consumption mode of VccL that described first memory 11 is in driving voltage, during the preset voltage value of the power supply signal that described second memory 12 does not collect on described power line Vcc, thus described second memory 12 does not communicate with described imaging device 3.The described method dragging down the level of power supply signal can be: reduce the resistance between power line Vcc and ground wire GND;
If when determining that described imaging device 3 needs to access described second memory 12, then described first memory 11 stops or not communicating with described imaging device 3, and P4 is set to high-impedance state; Now, when described second memory 12 collects the preset voltage value of power supply signal on described power line Vcc, described second information is used to communicate with imaging device 3;
If do not mate, then described first memory does not communicate with described imaging device, and does not change the preset signals feature of signal transmission on described communication bus.
Size difference due to Vcc and VccL is not very large, and belong to analog signal, the identification of described second memory 12 couples of Vcc and VccL, can be converted thereof into data signal by an analog-digital converter, then be identified by digital circuit.
The connection of circuit described in above embodiment is not formed in the restriction connected physical circuit in concrete enforcement.In addition, also by changing the signal characteristic of signal transmission (such as instruction etc.) on data wire, can realize in above-mentioned each method the synergism communicated between first memory with second memory.Because the signal transmitted in machine language is all data signal, only there is 1 or 0 in signal, i.e. low and high level two states, can pass through as the value dragging down high level suitable in said method equally, or the method such as high impulse (high level) width in reduction instruction assists the communication between described first memory and second memory, only need arrange corresponding preset signals Acquisition Circuit to identify default signal on second memory.
Shown in Fig. 1 for storing in the box chip 1 of imaging cartridge information, access in the process of first memory 11 by first memory 11 at imaging device 3, change the preset signals feature of signal transmission on communication bus, make second memory 12 cannot collect preset signals feature, thus do not communicate with imaging device 3, achieving cooperates between first memory 11 with second memory 12 responds the instruction of imaging device 3.Another kind of feasible implementation is: by being configured first memory 11 and second memory, make first memory 11 when determining that imaging device 3 needs access second memory 11, before second memory 12 accessed by imaging device 3, the signal characteristic of signal transmission on described communication bus is changed into preset signals feature, make second memory 12 can collect preset signals feature, and when collecting preset signals feature, the second information is used to communicate with imaging device 3, equally, also can realizing cooperates between first memory 11 with second memory 12 responds the instruction of imaging device 3.
The structural representation of the imaging cartridge that Fig. 8 provides for the embodiment of the present invention.As shown in Figure 8, the imaging cartridge 8 that the embodiment of the present invention provides, can be installed to imaging device, described imaging cartridge 8 comprises the box chip 81 for storing imaging cartridge information, wherein: the box chip for storing imaging cartridge information that described box chip 81 can adopt above-mentioned any embodiment to provide.
The flow chart of the communication means that Fig. 9 provides for the embodiment of the present invention.The box chip execution for storing imaging cartridge information that described method can be provided by above-mentioned any embodiment, can be applied to imaging device and for storing the communication of the box chip of imaging cartridge information, described imaging cartridge can be installed to described imaging device; Described box chip at least comprises first memory and second memory; Described first memory and second memory use same communication bus to communicate with described imaging device, and described communication bus at least comprises power line, clock line and data wire; Described first memory, for storing identifying information and the first information of described imaging cartridge; Described second memory, for storing the second information of described imaging cartridge; The described first information and the second information store according to the addressing rule preset respectively; Wherein, described method comprises:
901, described first memory receives the instruction that described imaging device is sent by described data wire; Forward step 902 to;
902, judge whether the imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge stored in described first memory: if mate, forward step 903 to; If do not mate, forward step 904 to;
903, described first memory is according to the access address in described instruction and access byte number, judge that described imaging device is the need of the described first memory of access and/or described second memory: described imaging device needs to access described first memory if determine, then access at described imaging device in the process of described first memory, change the preset signals feature of signal transmission on described communication bus; And/or described imaging device needs to access described second memory if determine, then, when described imaging device needs to access described second memory, do not change the preset signals feature of signal transmission on described communication bus;
Described second memory receives described instruction, and gathers the signal characteristic of signal transmission on described communication bus; If when collecting described preset signals feature, then according to described instruction, use described second information to communicate with described imaging device; If do not collect described preset signals feature, then do not communicate with described imaging device.
904, described first memory does not communicate with described imaging device, and does not change the preset signals feature of signal transmission on described communication bus;
Optionally, the identifying information of described imaging cartridge is stored in described second memory; Described second memory receives described instruction, and gathers the signal characteristic of signal transmission on described communication bus, comprising:
Described second memory receives described instruction, and judge whether the imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge stored in described second memory, and when determining that the identifying information of the imaging cartridge identifying information in described instruction with the described imaging cartridge stored in described second memory mates, gather the signal characteristic of signal transmission on described communication bus.
Optionally, described signal characteristic comprises following at least one: the dutycycle of signal, signal are at the level value of predetermined time.
Optionally, the described first information comprises and can rewrite information; Described second information comprises can not rewrite information; Described first memory comprises rewritable memory, and the described first information is stored in described rewritable memory; Described second memory comprises not rewritable memory, in not rewritable memory described in described second information is stored in.
In communication means shown in above-mentioned Fig. 9, by first memory in the process of imaging device access first memory, change the preset signals feature of signal transmission on communication bus, make second memory cannot collect preset signals feature, thus do not communicate with imaging device, achieve the instruction of the response imaging device that to cooperate between first memory with second memory.Another kind of feasible communication means is: by being configured first memory and second memory, make first memory when determining that imaging device needs access second memory, before imaging device access second memory, the signal characteristic of signal transmission on described communication bus is changed into preset signals feature, make second memory can collect preset signals feature, and when collecting preset signals feature, the second information is used to communicate with imaging device, equally, also can realize cooperating between first memory with second memory and respond the instruction of imaging device.
In addition, because such as color-image forming apparatus can have the imaging cartridge of multiple color, therefore multiple corresponding memory set may also be had, the judgement of box identifying information is carried out in order to make the multiple second memories in the plurality of memory set not be used in, thus make structure simpler, by the first memory in each color memory group, the signal on communication bus can be changed preset signals, as: from the instruction received, the first memory of indigo imaging cartridge (C) is when judging that imaging device is the second memory that will read imaging cartridge C, the signal of the transmission of communication bus is changed over signal a, and the second memory of imaging cartridge C communicates with imaging device when collecting signal a on communication bus, same, from the instruction received, the first memory of carmetta imaging cartridge (M) is when judging that imaging device is the second memory that will read imaging cartridge M, the signal of the transmission of communication bus is changed over signal b, and communicates with imaging device when the second memory of imaging cartridge M collects signal b on communication bus.The specific signal characteristic of second memory identification of each like this color, and the judgement with identifying information need not be carried out.Those of ordinary skill in the art should be understood that described process signal on communication bus being changed preset signals can be realized by the first memory in certain particular color imaging cartridge memory set, also can be realized by the first memory of multiple color imaging cartridge.
In several embodiment provided by the present invention, should be understood that, disclosed apparatus and method, can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the INDIRECT COUPLING of device or unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed on multiple NE.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form that hardware also can be adopted to add SFU software functional unit realizes.
The above-mentioned integrated unit realized with the form of SFU software functional unit, can be stored in a computer read/write memory medium.Above-mentioned SFU software functional unit is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) or processor (processor) perform the part steps of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only storage (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disc or CD etc. various can be program code stored medium.
Those skilled in the art can be well understood to, for convenience and simplicity of description, only be illustrated with the division of above-mentioned each functional module, in practical application, can distribute as required and by above-mentioned functions and be completed by different functional modules, internal structure by device is divided into different functional modules, to complete all or part of function described above.The specific works process of the device of foregoing description, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, 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 various embodiments of the present invention technical scheme.

Claims (12)

1., for storing a box chip for imaging cartridge information, at least comprise first memory and second memory; Described first memory and second memory use same communication bus to communicate with imaging device, and described communication bus at least comprises power line, clock line and data wire; Described first memory, for storing identifying information and the first information of described imaging cartridge; Described second memory, for storing the second information of described imaging cartridge; Wherein, the described first information and the second information store according to the addressing rule preset respectively; It is characterized in that,
Described first memory, also for receiving the instruction that described imaging device is sent by described data wire, and judges whether the imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge stored in described first memory:
If coupling, then described first memory is according to the access address in described instruction and access byte number, judge that described imaging device is the need of the described first memory of access and/or described second memory: described imaging device needs to access described first memory if determine, then access at described imaging device in the process of described first memory, change the preset signals feature of signal transmission on described communication bus; If determine, described imaging device needs to access described second memory, then, when described imaging device needs to access described second memory, do not change the preset signals feature of signal transmission on described communication bus;
If do not mate, then described first memory does not communicate with described imaging device, and does not change the preset signals feature of signal transmission on described communication bus;
Described second memory, also for receiving described instruction, and gathers the signal characteristic of signal transmission on described communication bus; If collect described preset signals feature, then according to described instruction, use described second information to communicate with described imaging device; If do not collect described preset signals feature, then do not communicate with described imaging device.
2. box chip according to claim 1, is characterized in that, described second memory, also for storing the identifying information of described imaging cartridge;
Described second memory, specifically for receiving described instruction, and judge whether the imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge stored in described second memory, and when determining that the identifying information of the imaging cartridge identifying information in described instruction with the described imaging cartridge stored in described second memory mates, gather the signal characteristic of signal transmission on described communication bus: if collect described preset signals feature, then according to described instruction, use described second information to communicate with described imaging device; If do not collect described preset signals feature, then do not communicate with described imaging device.
3. box chip according to claim 1 and 2, is characterized in that,
Described signal characteristic comprises following at least one: the dutycycle of signal, signal are at the level value of predetermined time.
4. box chip according to claim 3, is characterized in that, the described first information comprises can rewrite information; Described second information comprises can not rewrite information;
Described first memory comprises rewritable memory, and the described first information is stored in described rewritable memory; Described second memory comprises not rewritable memory, in not rewritable memory described in described second information is stored in.
5., for storing a box chip for imaging cartridge information, at least comprise first memory and second memory; Described first memory and second memory use same communication bus to communicate with imaging device, and described communication bus at least comprises power line, clock line and data wire; Described first memory, for storing identifying information and the first information of described imaging cartridge; Described second memory, for storing the second information of described imaging cartridge; Wherein, the described first information and the second information store according to the addressing rule preset respectively; It is characterized in that,
Described first memory, also for receiving the instruction that described imaging device is sent by described data wire, and judges whether the imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge stored in described first memory:
If coupling, then described first memory is according to the access address in described instruction and access byte number, judge that described imaging device is the need of the described first memory of access and/or described second memory: described imaging device needs to access described first memory if determine, then use the described first information to communicate with described imaging device; If determine, described imaging device needs to access described second memory, then, before described second memory accessed by described imaging device, the signal characteristic of signal transmission on described communication bus is changed into preset signals feature;
If do not mate, then described first memory does not communicate with described imaging device, and does not change the preset signals feature of signal transmission on described communication bus;
Described second memory, also for receiving described instruction, and gathers the signal characteristic of signal transmission on described communication bus; If when collecting described preset signals feature, then according to described instruction, use described second information to communicate with described imaging device; If when not collecting described preset signals feature, then do not communicate with described imaging device.
6. an imaging cartridge, described imaging cartridge can be installed to imaging device, it is characterized in that, comprise as arbitrary in claim 1-4 as described in box chip.
7. an imaging cartridge, described imaging cartridge can be installed to imaging device, it is characterized in that, comprises box chip as claimed in claim 5.
8. a communication means, is characterized in that, be applied to imaging device with for storing the communication of the box chip of imaging cartridge information, described imaging cartridge can be installed to described imaging device; Described box chip at least comprises first memory and second memory; Described first memory and second memory use same communication bus to communicate with described imaging device, and described communication bus at least comprises power line, clock line and data wire; Described first memory, for storing identifying information and the first information of described imaging cartridge; Described second memory, for storing the second information of described imaging cartridge; Wherein, the described first information and the second information store according to the addressing rule preset respectively; Described method comprises:
Described first memory receives the instruction that described imaging device is sent by described data wire, and judges whether the imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge stored in described first memory:
If coupling, then described first memory is according to the access address in described instruction and access byte number, judge that described imaging device is the need of the described first memory of access and/or described second memory: described imaging device needs to access described first memory if determine, then access at described imaging device in the process of described first memory, change the preset signals feature of signal transmission on described communication bus; If determine, described imaging device needs to access described second memory, then, when described imaging device needs to access described second memory, do not change the preset signals feature of signal transmission on described communication bus;
If do not mate, then described first memory does not communicate with described imaging device, and does not change the preset signals feature of signal transmission on described communication bus;
Described second memory receives described instruction, and gathers the signal characteristic of signal transmission on described communication bus; If when collecting described preset signals feature, then according to described instruction, use described second information to communicate with described imaging device; If do not collect described preset signals feature, then do not communicate with described imaging device.
9. method according to claim 8, is characterized in that, also comprises: described second memory also stores the identifying information of described imaging cartridge;
Described second memory receives described instruction, and gathers the signal characteristic of signal transmission on described communication bus, comprising:
Described second memory receives described instruction, and judge whether the imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge stored in described second memory, and when determining that the identifying information of the imaging cartridge identifying information in described instruction with the described imaging cartridge stored in described second memory mates, gather the signal characteristic of signal transmission on described communication bus.
10. method according to claim 8 or claim 9, is characterized in that,
Described signal characteristic comprises following at least one: the dutycycle of signal, signal are at the level value of predetermined time.
11. methods according to claim 10, is characterized in that, the described first information comprises can rewrite information; Described second information comprises can not rewrite information;
Described first memory comprises rewritable memory, and the described first information is stored in described rewritable memory; Described second memory comprises not rewritable memory, in not rewritable memory described in described second information is stored in.
12. 1 kinds of communication means, is characterized in that, be applied to imaging device with for storing the communication of the box chip of imaging cartridge information, described imaging cartridge can be installed to described imaging device; Described box chip at least comprises first memory and second memory; Described first memory and second memory use same communication bus to communicate with described imaging device, and described communication bus at least comprises power line, clock line and data wire; Described first memory, for storing identifying information and the first information of described imaging cartridge; Described second memory, for storing the second information of described imaging cartridge; Wherein, the described first information and the second information store according to the addressing rule preset respectively; Described method comprises:
Described first memory receives the instruction that described imaging device is sent by described data wire, and judges whether the imaging cartridge identifying information in described instruction mates with the identifying information of the described imaging cartridge stored in described first memory:
If coupling, then described first memory is according to the access address in described instruction and access byte number, judge that described imaging device is the need of the described first memory of access and/or described second memory: described imaging device needs to access described first memory if determine, then use the described first information to communicate with described imaging device; If determine, described imaging device needs to access described second memory, then, before described second memory accessed by described imaging device, the signal characteristic of signal transmission on described communication bus is changed into preset signals feature;
If do not mate, then described first memory does not communicate with described imaging device, and does not change the preset signals feature of signal transmission on described communication bus;
Described second memory receives described instruction, and gathers the signal characteristic of signal transmission on described communication bus; If when collecting described preset signals feature, then according to described instruction, use described second information to communicate with described imaging device; If do not collect described preset signals feature, then do not communicate with described imaging device.
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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104943397B (en) * 2015-06-25 2016-08-17 珠海艾派克微电子有限公司 Imaging box chip, imaging cartridge and the method changing imaging cartridge chip serial number
CN106626791B (en) * 2016-11-10 2019-08-23 广州众诺电子技术有限公司 Chip version-switching method, switching device and switching system
JP7361455B2 (en) 2018-03-29 2023-10-16 ブラザー工業株式会社 Image forming device
CN111391511B (en) * 2020-05-15 2021-08-31 珠海艾派克微电子有限公司 Consumable chip and consumable
CN111391512B (en) * 2020-05-15 2021-09-07 珠海艾派克微电子有限公司 Consumable chip and consumable
CN113352770B (en) * 2020-07-24 2022-07-01 珠海艾派克微电子有限公司 Consumable chip and imaging box

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05145597A (en) * 1991-11-22 1993-06-11 Canon Inc Communication equipment
CN1479203A (en) * 2002-08-27 2004-03-03 三星电子株式会社 Image forming equipment
JP2005178177A (en) * 2003-12-19 2005-07-07 Canon Inc Image forming apparatus, and consumable material storage cartridge
CN102112960A (en) * 2008-05-29 2011-06-29 惠普开发有限公司 Authenticating replaceable printer component
CN102189810A (en) * 2011-04-06 2011-09-21 珠海艾派克微电子有限公司 Imaging device and method for verifying chip of imaging box

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002337402A (en) * 2001-03-15 2002-11-27 Ricoh Co Ltd Image forming apparatus
CN100511196C (en) * 2004-02-29 2009-07-08 深圳市朗科科技有限公司 Data processing chip and memory device
US20070154228A1 (en) * 2005-12-30 2007-07-05 Nu-Kote International, Inc. Universal smart chip cartridge for multiple printing apparatus
CN101692347A (en) * 2009-07-17 2010-04-07 珠海艾派克微电子有限公司 Memory chip on imaging box of imaging device
CN101794110B (en) * 2010-03-24 2012-11-21 珠海艾派克微电子有限公司 Machine recognition method and device between imaging device and imaging box
JP5587050B2 (en) * 2010-06-22 2014-09-10 キヤノン株式会社 Information processing apparatus, information processing apparatus control method, and program

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05145597A (en) * 1991-11-22 1993-06-11 Canon Inc Communication equipment
CN1479203A (en) * 2002-08-27 2004-03-03 三星电子株式会社 Image forming equipment
JP2005178177A (en) * 2003-12-19 2005-07-07 Canon Inc Image forming apparatus, and consumable material storage cartridge
CN102112960A (en) * 2008-05-29 2011-06-29 惠普开发有限公司 Authenticating replaceable printer component
CN102189810A (en) * 2011-04-06 2011-09-21 珠海艾派克微电子有限公司 Imaging device and method for verifying chip of imaging box

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