CN103744273A - Integrated chip, integrated chip group, imaging box and imaging box group - Google Patents
Integrated chip, integrated chip group, imaging box and imaging box group Download PDFInfo
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- CN103744273A CN103744273A CN201410019633.7A CN201410019633A CN103744273A CN 103744273 A CN103744273 A CN 103744273A CN 201410019633 A CN201410019633 A CN 201410019633A CN 103744273 A CN103744273 A CN 103744273A
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Abstract
The invention provides an integrated chip and an imaging box comprising the integrated chip. The integrated chip comprises an attached part and a main part, wherein the attached part comprises an interface unit, a storage unit, a priority level determination unit and a control unit, wherein priority level determination information is transmitted to a public serial bus at the preset transmitting moment of the priority level determination information, and meanwhile, and the existence of priority level determination information transmitted by other integrated chip on the serial bus is determined, so that the signal conflict caused by simultaneous response of different attachment parts can be avoided; when the attachment parts of the other integrated chips are damaged or determined, the integrated chip disclosed by the invention can respond printing imaging equipment in time without replacing the other integrated chips, and the waste of a main storage device with the relatively high cost in the main part is avoided.
Description
Technical field
The invention belongs to printing imaging field, relate in particular to disjunctor chip and comprise the imaging cartridge of this disjunctor chip.
Background technology
Printing imaging device (for example ink-jet printer, laser/LED printer) upper imaging cartridge (for example print cartridge of installing with box chip, toner cartridge and powder box) be common in recent years a kind of application mode, this box chip-stored about the information of imaging cartridge, print like this imaging device and can pass through this box chip of imaging cartridge, know the information that is installed to the imaging cartridge on it, then according to these information, carry out exactly printing imaging operation, and the recording materials in imaging cartridge are when run out of, by writing information in box chip, limiting the continuation of empty imaging cartridge uses.In known box chip, generally stored the information of two types, one is unmodifiable information, for example, about the fix information of the aspects such as brand, sequence number, capacity and the date of manufacture of imaging cartridge; Another is the information of the service condition of real time record imaging cartridge, this class variable information has comprised consumption amount of recording material, recording materials surplus, number of print pages, residue number of print pages, installed date etc. first, and the classification of the box chip institute canned data of different brands and type and kind are generally different.
For more pleasing coloured image is provided, on printing imaging device, multiple imaging cartridges that held different colours recording materials being installed is common a kind of modes.Fig. 1 is multiple box chips and the bus connection diagram that is printed as picture communication between devices in prior art, printing imaging device and four box chips is all connected on serial common bus, each box chip has been assigned with an address of devices, is respectively " 011 ", " 010 ", " 110 " and " 101 ".In Fig. 2, serial common bus has four order wires, every order wire is for each box chip and to print imaging device be public, four order wires be respectively voltage source signal line (VCC), ground wire (GND), can bi-directional transmission of information order wire (I/O) and the clock cable (CLK) of synchronous clock is provided for printing imaging device and multiple box chip.When box chip and printing imaging device interactive communication, first by printing imaging device, by serial common bus, send instruction, this instruction comprises the address of devices of indicating access object.Box chip receives after this instruction, the address of devices comprising according to instruction, identify this instruction and whether call out self, if, by serial common bus, send response message to printing imaging device, and in time thereafter by serial common bus the information with printing imaging device interaction box chip-stored; If recognize this instruction, not call out self, enter dormancy or holding state, until receive the signal of stopping of printing that imaging device sends, reset or power-up initializing.
In the box chip of same batch, generally stored the fix information of multiple identical category, for example brand, capacity and date of manufacture, so for large-scale production is to reduce costs, existing compatibility box chip extracts this part information, store into independently in annex storage, the information of other classifications all stores in another one primary memory, annex storage is subject to the control of primary memory, therefore only have primary memory to be assigned with an address of devices, annex storage is without distribution devices address, owing to printing imaging device, only read the data of annex storage, and it is not carried out to writing of data, therefore annex storage can also be selected ROM (read-only memory), further to reduce costs.When printing imaging device need to be accessed annex storage canned data, primary memory is responsible for the instruction of printing imaging device being made an explanation and forwarding annex storage canned data to printing imaging device.Therefore when producing compatibility box chip, only primary memory and annex storage need to be fixed on same a slice circuit board.
But, when the lower annex storage of the price on circuit board is damaged, the compatibility box chip that can only more renew, and the primary memory that on circuit board, price is higher has just been wasted.This situation should improve.
Summary of the invention
In order still to use primary memory to reduce the waste of primary memory in the impaired situation of annex storage, the invention provides a kind of disjunctor chip for imaging cartridge, described disjunctor chip comprises accessory constituent and major part, it is characterized in that, described accessory constituent comprises:
Interface unit, is connected to printing imaging device by serial common bus, and it prints for receiving instruction and the power supply signal that imaging device sends;
Storage unit, it has stored the information that is common to different imaging cartridges;
Priority level determining unit, it has preset priority level and has determined the delivery time of information; With
Control module, receiving while printing the power supply signal that imaging device sends, (a.) for determine the delivery time of information in default priority level, determines information to sending priority level on serial common bus; (b.) also for detection of the priority level that whether exists other disjunctor chips to send on serial common bus, determine information, if there is no, the instruction of the follow-up transmission of imaging device is printed in control module response.
In other embodiment, preferably, when detecting that the priority level that does not exist other disjunctor chips to send on serial common bus is determined information, control module sends to printing imaging device by interface unit by the general information of cell stores.
In other embodiment, preferably, priority level determines that the delivery time of information is relevant to priority level, and priority level is higher, toward sending priority level on serial common bus, determines that the delivery time of information is relatively forward; On the contrary, priority level is lower, toward after sending priority level on serial common bus and determining that the delivery time of information leans on relatively.
In other embodiment, preferably, if control module is determined in default priority level, detect that the priority level that exists other disjunctor chips to send on serial common bus determines information before the delivery time of information, control module is not determined information to sending priority level on serial common bus.
In other embodiment, preferably, described accessory constituent also comprises response recognition unit, and it is for identifying whether there is response on serial common bus;
Described priority level determining unit has also been preset priority level;
Described control module also for, receiving while printing the instruction that imaging device sends, the moment corresponding according to default priority level, the response on control response recognition unit identification serial common bus, and the instruction of imaging device is printed in response.
In other embodiment, preferably, at response recognition unit, recognize while there is not response on serial common bus, control module sends to printing imaging device by interface unit by the general information of cell stores.
In other embodiment, preferably, the default priority level of described priority level determining unit is specifically identified the moment that whether has the moment of response and the instruction of response printing imaging device on serial common bus.
Whether, in other embodiment, preferably, default priority level is higher, identify and on serial common bus, exist the moment of response relative forward with the moment of the instruction of response printing imaging device; Whether on the contrary, priority level is lower, identify and on serial common bus, exist after the moment of response and relative the leaning on of moment of the instruction of response printing imaging device.
In other embodiment, preferably, the accessory constituent of described disjunctor chip is connected, possibly in an attachable fashion, to major part.
In other embodiment, preferably, the major part of disjunctor chip and accessory constituent are arranged on the two ends on same circuit board, and the circuit board between major part and accessory constituent is formed with a V-arrangement elongated slot.
The present invention also provides a kind of disjunctor chipset, shown in disjunctor chipset comprise at least two above-mentioned disjunctor chips, it is characterized in that, the default priority level of priority level determining unit of the accessory constituent of each disjunctor chip is determined the delivery time difference of information.
The present invention also provides a kind of imaging cartridge, it is characterized in that, it is provided with arbitrary above-mentioned disjunctor chip.
The present invention also provides a kind of imaging cartridge group, it is characterized in that, it is separately installed with arbitrary above-mentioned disjunctor chip, and the default priority level of priority level determining unit of the accessory constituent of each disjunctor chip is determined the delivery time difference of information.
By disjunctor chip provided by the invention with comprise the imaging cartridge of this disjunctor chip, in default priority level, determine the delivery time of information, to sending priority level on serial common bus, determine information; And detect the priority level that whether exists other disjunctor chips to send on universal serial bus and determine information, can avoid different accessory constituents to respond the signal conflict causing simultaneously, in addition, when printing imaging device still needs to access impaired accessory constituent canned data, the setting of priority level determining unit can be therein in accessory constituent situation of damaging or being removed, ensure that other do not have accessory constituent damaged or that remove can respond in time printing imaging device, thereby guaranteed to be printed as the normal execution of picture.When the accessory constituent of indivedual disjunctor chips is removed, also need not change disjunctor chip, avoided the main storer that the price in major part is higher to be wasted.
Accompanying drawing explanation
Shown in Fig. 1 is multiple box chips and the bus connection diagram that is printed as picture communication between devices in prior art;
Shown in Fig. 2 to be two disjunctor chips of the present invention is connected with the bus that is printed as picture communication between devices and the structural representation of disjunctor chip;
Shown in Fig. 3 is the modular structure figure of the accessory constituent of disjunctor chip;
Shown in Fig. 4 is the memory addressing mapping graph of accessory constituent and major part in disjunctor chip;
The accessory constituent transmission priority level of two disjunctor chips shown in Fig. 5 is determined the signal timing diagram of information;
Shown in Fig. 6 is the another kind of modular structure figure of the accessory constituent of disjunctor chip;
Shown in Fig. 7 is the accessory constituent of two the disjunctor chips signal timing diagram when the instruction of imaging device is printed in response;
Shown in Fig. 8 is the accessory constituent of two disjunctor chips another signal timing diagram when the instruction of imaging device is printed in response;
Shown in Fig. 9 A is the front elevation that major part and accessory constituent are all arranged on the disjunctor chip on same circuit board;
Shown in Fig. 9 B is the side view that major part and accessory constituent are all arranged on the disjunctor chip on same circuit board.
Embodiment
For fully disclosing and embody the advantage of various aspects of the present invention, below in conjunction with accompanying drawing, each exemplary embodiment of the present invention is described.
Embodiment mono-
The invention provides the detachable disjunctor chip for imaging cartridge of a kind of accessory constituent, multiple such disjunctor chips can be connected to printing imaging device by serial common bus, as shown in Figure 2, this disjunctor chip has comprised accessory constituent and major part, accessory constituent is connected, possibly in an attachable fashion, to major part, in Fig. 2 take disjunctor chip 100 and disjunctor chip 200 as exemplified the composition of disjunctor chip and with the connected mode of printing imaging device.Wherein, the address of devices of disjunctor chip 100 is " 010 " be stored in major part, its accessory constituent can distribution devices address also distribution devices address not.Major part and accessory constituent are all provided with interface circuit separately, can be connected on serial common bus.Similarly, disjunctor chip 200 also comprises major part and accessory constituent, and its address of devices " 110 " is also stored in major part.Disjunctor chip of the present invention, possesses the function of the OEM box chip of original-pack manufacturers produce, while attaching it to imaging cartridge, can as OEM box chip, coordinate the imaging device work of printing.
Fig. 3 shows the structure composition of the accessory constituent of disjunctor chip, and it comprises:
Priority level determining unit 13, it has preset priority level and has determined the delivery time of information, this priority level determines that information is for informing other disjunctor chips, on serial common bus, also connected disjunctor chip itself, therefore, the priority level of the accessory constituent of different disjunctor chips determines that information can be identical, also can be different, and this priority level determines that information can be pre-existing in storage unit; With
In addition,, when detecting that the priority level that does not exist other disjunctor chips to send on serial common bus is determined information, control module sends to printing imaging device by interface unit by the general information of cell stores.
The accessory constituent of different disjunctor chips, the default priority level of its priority level determining unit is determined the delivery time difference of information, priority level determines that the delivery time of information is relevant to priority level, priority level is higher, toward sending priority level on serial common bus, determines that the delivery time of information is relatively forward; On the contrary, priority level is lower, toward after sending priority level on serial common bus and determining that the delivery time of information leans on relatively.This moment is to come relatively with the moment (being also the power-up initializing moment) of printing imaging device and start to send to box chip (being the general designation of the OEM box chip of above-mentioned disjunctor chip, compatibility box chip and original-pack manufacturers produce) power supply signal.For example, the priority level determining unit that priority level is higher, the delivery time that the priority level of its storage is determined information is relatively near the moment of printing imaging device and start to send power supply signal, is also above-mentioned relatively forward; The priority level determining unit that priority level is lower, its storage priority level determine information delivery time relatively away from the moment of printing imaging device and start to send power supply signal, be also above-mentioned relatively lean on after.
In addition, if control module is determined in default priority level, detect that the priority level that exists other disjunctor chips to send on serial common bus determines information before the delivery time of information, control module is not determined information to sending priority level on serial common bus.
Because the information of the cell stores of accessory constituent is a part for all information of whole disjunctor chip, therefore, the addressing of the addressing of the storage unit of accessory constituent and the storer of major part is continuous.Take the addressing mapping graph of the disjunctor chip 100 in Fig. 4 as example, the fix information of three bytes of accessory constituent, be addressed to first three reference address, be respectively " 01 ", " 02 " and " 03 ", the fix information of these three bytes is the general informations that are common to other imaging cartridges, be the accessory constituent of disjunctor chip 200, also stored the general information of these three bytes.And the addressing of major part is from reference address " 04 ", major part has been stored fix information and variable information.Therefore, when accessory constituent or major part receive the instruction of printing imaging device, can be according to the reference address in instruction, judge whether self stores the information that this reference address is corresponding, thereby feed back to printing imaging device.Below, to print, two imaging cartridges (only disjunctor chip 100 and disjunctor chip 200 have been connected to serial common bus as shown in Figure 2) have only been installed as example in imaging device and the function and efficacy of above-mentioned accessory constituent unit module has been described in conjunction with Fig. 2 to Fig. 5.
When starting printing imaging device and when printing imaging device need to carry out read-write operation to box chip, print imaging device and can, by serial common bus to box chip power supply, by voltage source signal line (VCC), to box chip, send power supply signal.Now, the accessory constituent of the disjunctor chip of the present embodiment, can receive this power supply signal by interface unit.Owing to printing imaging device, start after box chip power supply, can't take at once order wire (I/O), now order wire is in idle condition, after a period of time, printing imaging device often needs first to obtain the build-in attribute of imaging cartridge, therefore can first send the instruction of access fix information, for example, first send the instruction that comprises reference address " 01 ".The accessory constituent of disjunctor chip of the present invention, utilizes the idle period of order wire exactly, sends priority level determine information to serial common bus.Control module is determined the delivery time of information according to the pre-stored priority level of priority level determining unit, arriving during this delivery time, to sending priority level on serial common bus, determine information.
Control module detects the priority level that whether exists other disjunctor chips to send on serial common bus and determines information, if there is no, confirm only to have connected this disjunctor chip itself on serial common bus, and do not have other disjunctor chip to be also connected on this serial common bus.The instruction of the follow-up transmission of imaging device is printed in this accessory constituent response.In the case, when the instruction of printing imaging device transmission has comprised address of devices " 010 " and reference address " 04 ", as shown in Figure 4, the major part of disjunctor chip 100 is by judging these address of devices and reference address, can confirm this instruction is the fix information of calling out self and being addressed to " 04 " for access, the falling edge of the clock signal of last after instruction, feeds back to printing imaging device by the fix information of reference address " 04 ".Because the accessory constituent of disjunctor chip 100 does not comprise the fix information that is addressed to " 04 ", thereby this accessory constituent recognizes this instruction and not calls out self, ignores this instruction and enters holding state.And the address of devices of disjunctor chip 200 is " 110 ", therefore the major part of disjunctor chip and accessory constituent can confirm that this instruction not calls out self by address of devices or reference address, and ignore this instruction, enter holding state.
Below, the accessory constituent of points of three kinds situations explanation disjunctor chips 100 and disjunctor chip 200 how at the idle period of order wire, determines that by send priority level to serial common bus information determines whether to need response to print the instruction of the follow-up transmission of imaging device respectively.The priority level of adjunct unit of supposing disjunctor chip 100 is higher, and the default priority level of its priority level determining unit determines that the delivery time of information is relatively forward; And the priority level of the adjunct unit of disjunctor chip 200 is lower, after the default priority level of its priority level determining unit determines that the delivery time of information leans on relatively.
The first situation: when disjunctor chip 100 and disjunctor chip 200 is normally connected on serial common bus simultaneously.As shown in Figure 5, the accessory constituent of disjunctor chip 100 and disjunctor chip 200 has all received by its interface unit the power supply signal (voltage that is VCC rises) of printing imaging device and sending in the T1 moment, when T1, being carved between the T4 moment, is the idle period of order wire (I/O).Because the priority level of the adjunct unit of disjunctor chip 100 is higher, in default priority level, determine the position of the delivery time T2 of information, control module is determined information (being the data of two bits in Fig. 5) to sending priority level on serial common bus.And the priority level of the adjunct unit of disjunctor chip 200 is lower, in default priority level, determine the position of the delivery time T3 of information, control module is determined information (being also the data of two bits in Fig. 5) to sending priority level on serial common bus.
When the priority level of these two disjunctor chips transmissions determines that information is different, what for example disjunctor chip 100 sent is binary number " 10 ", and disjunctor chip 200 sends, be " 01 ", the control module of disjunctor chip 200 detects that the priority level that exists disjunctor chip 100 to send on serial common bus determines information " 10 ", the priority level detecting is determined to information and the priority level of self sending determine information comparison, because being greater than the priority level that disjunctor chip 200 sends, " 10 " determine information " 01 ", therefore the control module of the accessory constituent of disjunctor chip 200 can be determined and on serial common bus, is also connected with the disjunctor chip (100) higher than the priority level of oneself, therefore the accessory constituent of disjunctor chip 200 instruction that just no longer response printing imaging device follow-up (starting in the T4 moment) sends.And on the other hand, the control module of disjunctor chip 100 has also detected that the priority level that exists disjunctor chip 200 to send on serial common bus determines information " 01 ", the priority level detecting is determined to information and the priority level of self sending determine information comparison, because being less than the priority level that disjunctor chip 100 sends, " 01 " determines information " 10 ", therefore the control module of the accessory constituent of disjunctor chip 100 can determine that the priority level of oneself is the highest in all disjunctor chips that are connected on serial common bus, therefore the accessory constituent of disjunctor chip 200 can respond and print the instruction that imaging device follow-up (starting in the T4 moment) sends.
Therefore, after the T4 moment, although connected two disjunctor chips of the present invention on serial common bus, due to the instruction of only having the accessory constituent response of the disjunctor chip 100 that priority level is higher to print imaging device, therefore there will not be two accessory constituents to respond printing imaging device, communicating by letter between disjunctor chip and printing imaging device can not be affected simultaneously.
In addition, when the priority level of these two disjunctor chips transmissions determines that information is identical, what for example disjunctor chip 100 and disjunctor chip 200 sent is " 010 ", in such situation, no matter which disjunctor chip, cannot determine and information, determine that whether the priority level of oneself is the highest from the such priority level receiving.Therefore, in the present embodiment, need to limit disjunctor chip 200 sends priority level and determines information, even the control module of disjunctor chip 200 is determined in default priority level and is detected that the priority level that exists other disjunctor chips (100) to send on serial common bus determines information before the delivery time T4 of information, and the control module of disjunctor chip 200 is not determined information to sending priority level on serial common bus.For disjunctor chip 100, due to during whole idle period T1-4, do not have other disjunctor chips to send priority level to serial common bus and determine information, therefore the control module of disjunctor chip 100 detects on serial common bus and does not exist the priority level of other disjunctor chips transmissions to determine information, and therefore this accessory constituent can respond and print the instruction that imaging device follow-up (starting in the T4 moment) sends.
The second situation: when disjunctor chip 200 is normally connected on serial common bus, and the accessory constituent of disjunctor chip 100 is damaged or while being removed.Damaged or cannot work time at accessory constituent, in order to ensure the steady operation of circuit, accessory constituent can be removed from disjunctor chip 100.Therefore only have the accessory constituent of disjunctor chip 200 to receive power supply signal by its interface unit, its control module is determined the position of the delivery time T3 of information in default priority level, to sending priority level on serial common bus, determines information.Due to during whole idle period T1-4, do not have other disjunctor chips to send priority level to serial common bus and determine information, therefore the control module of disjunctor chip 200 detects on serial common bus and does not exist the priority level of other disjunctor chips transmissions to determine information, and therefore this accessory constituent can respond and print the instruction that imaging device follow-up (starting in the T4 moment) sends.
The third situation: when disjunctor chip 100 is normally connected on serial common bus, and the accessory constituent of disjunctor chip 200 is damaged or while being removed.Similar with the second situation, only have the accessory constituent of disjunctor chip 100 to receive power supply signal by its interface unit, its control module is determined the position of the delivery time T2 of information in default priority level, to sending priority level on serial common bus, determine information.Due to during whole idle period T1-4, do not have other disjunctor chips to send priority level to serial common bus and determine information, therefore the control module of disjunctor chip 100 detects on serial common bus and does not exist the priority level of other disjunctor chips transmissions to determine information, and therefore this accessory constituent can respond and print the instruction that imaging device follow-up (starting in the T4 moment) sends.
The visible accessory constituent at indivedual disjunctor chips damaged or be removed, adopt disjunctor chip of the present invention also can guarantee that printing imaging device gets required box chip information.
Embodiment bis-
When printing imaging device starts to have idle period after box chip power supply, above-mentioned disjunctor chip can be determined information by detecting and send priority level, determines whether to need response to print the follow-up instruction of imaging device.But, having part to print imaging device does not provide such idle period, therefore, is applicable to these yet prints imaging device in order to ensure disjunctor chip of the present invention, accessory constituent can also comprise response recognition unit, and it is for identifying whether there is response on serial common bus.
As shown in Figure 6, the disjunctor chip of the present embodiment is the same with embodiment mono-, has comprised interface unit 10, control module 11, storage unit 12, priority level determining unit 13, in addition, also comprises response recognition unit 14.
Wherein, priority level determining unit 13, has also preset accessory constituent priority level; This response recognition unit, for identifying whether there is response on serial common bus.
The control module 11 of the present embodiment, also for when receiving the instruction of printing imaging device transmission, in the moment corresponding according to default priority level, control response recognition unit 14 is identified the response on serial common bus, and the instruction of imaging device is printed in response.
At response recognition unit 14, recognize while there is not response on serial common bus, the general information that control module 11 is stored storage unit 12 by interface unit 10 sends to printing imaging device.
The accessory constituent of different disjunctor chips, the default priority level difference of its priority level determining unit, priority level is higher, and it is relative forward that moment of instruction of imaging device is printed in the moment of identifying the response that whether has other box chips (being the general designation of the OEM box chip of above-mentioned disjunctor chip, compatibility box chip and original-pack manufacturers produce) on serial common bus and response; On the contrary, priority level is lower, identifies moment and the response of the response that whether has other box chips (being the general designation of the OEM box chip of above-mentioned disjunctor chip, compatibility box chip and original-pack manufacturers produce) on serial common bus and prints after relative the leaning on of moment of instruction of imaging device.This moment is to carry out comparison with the negative edge of last clock information of printing imaging device transmission instruction.Therefore, also can be understood as the priority level determining unit of default priority level, this priority level is specifically identified the moment of the response that whether has other box chips on serial common bus and moment of instruction that imaging device is printed in response, and the identification moment that different priority levels is corresponding is different with response moment difference.For example, preset the higher priority level determining unit of priority level, the identification moment of its storage negative edge of last clock information near print imaging device send instruction relative to the response moment, is also above-mentioned relatively forward; Preset the lower priority level determining unit of priority level, the identification moment of its storage negative edge of last clock information away from print imaging device send instruction relative to the response moment, be also above-mentioned relatively lean on after.
Below, two imaging cartridges (only disjunctor chip 100 and disjunctor chip 200 have been connected to serial common bus as shown in Figure 2) to be only installed in printing imaging device and other function and efficacies of above-mentioned accessory constituent unit module have been described in the present embodiment in conjunction with Fig. 2, Fig. 4 and Fig. 6 to Fig. 9 B.
As shown in Figure 4, when the instruction of printing imaging device transmission has comprised address of devices " 010 " and reference address " 04 ", the major part of disjunctor chip 100 is by judging these address of devices and reference address, can confirm this instruction is the fix information of calling out self and being addressed to " 04 " for access, the falling edge of the clock signal of last after instruction, feeds back to printing imaging device by the fix information of reference address " 04 ".Because the accessory constituent of disjunctor chip 100 does not comprise the fix information that is addressed to " 04 ", thereby this accessory constituent recognizes this instruction and not calls out self, ignores this instruction and enters holding state.And the address of devices of disjunctor chip 200 is " 110 ", therefore the major part of disjunctor chip and accessory constituent can confirm that this instruction not calls out self by address of devices or reference address, and ignore this instruction, enter holding state.
And when just starting printing imaging device, printing imaging device often needs first to obtain the build-in attribute of imaging cartridge, therefore can first send the instruction of access fix information, for example by serial common bus after box chip or disjunctor chip power supply, first send and comprise the instruction of reference address " 01 ".Below, divide the accessory constituent of three kinds of situations explanation disjunctor chips 100 and disjunctor chip 200 how to respond respectively this instruction, the default priority level of priority level determining unit of supposing the adjunct unit of disjunctor chip 100 is higher, and the default priority level of the priority level determining unit of the adjunct unit of disjunctor chip 200 is lower.
The first situation: when disjunctor chip 100 and disjunctor chip 200 is normally connected on serial common bus simultaneously.The accessory constituent of disjunctor chip 100 and disjunctor chip 200 has all received by its interface unit the instruction that comprises reference address " 01 ", referring to Fig. 7, the negative edge A moment in last clock signal of printing imaging device transmission instruction is located, the OEM box chip of compatibility box chip and original-pack manufacturers produce is generally in this instruction of this time of day response, first the response recognition unit of the disjunctor chip 100 that priority level is higher starts to detect that on serial common bus, whether to have other box chips (may be above-mentioned disjunctor chip, one of OEM box chip of compatibility box chip and original-pack manufacturers produce) respond this instruction, if do not had, in the A moment, postponing the B moment of a period of time locates, the accessory constituent of disjunctor chip 100 sends to serial common bus by its interface unit by the fix information of the reference address of cell stores " 01 " (first place that represents the information of addressing " 01 " in Fig. 7 is low level signal), now print imaging device and can receive this information, if there are other this instructions of box die response, the interface unit of the accessory constituent of disjunctor chip 100 discharges the control to serial common bus, enters holding state.And the lower disjunctor chip 200 of priority level, the C moment of the response recognition unit of its accessory constituent after the B moment located, (may be one of OEM box chip of above-mentioned disjunctor chip, compatibility box chip and original-pack manufacturers produce) have responded this instruction to check whether there are other box chips on universal serial bus, if there be (being expressed as low level signal in Fig. 7), the interface unit of the accessory constituent of disjunctor chip 200 discharges the control to serial common bus, enters holding state; If do not had, in the C moment, postponing the D moment of a period of time locates, the accessory constituent of disjunctor chip 200 sends to serial common bus by its interface unit by the fix information of the reference address of cell stores " 01 " (first place that represents the information of addressing " 01 " in Fig. 7 is low level signal), now print imaging device and can receive this information, as shown in Figure 8.Obviously, because the accessory constituent of the higher disjunctor chip 100 of priority level has responded this instruction, in this case, the accessory constituent of disjunctor chip 200 no longer responds this instruction, and the response condition of disjunctor chip 100 and disjunctor chip 200 as shown in Figure 7.In this process, owing to printing the rising edge of imaging device in next clock signal, namely the E moment in Fig. 7 locates to detect and receive the response signal of disjunctor chip, so can not have influence on the signal of printing imaging device, receive and the information interaction in subsequent clock cycle, the present invention utilizes and prints imaging device and sending instruction and receiving the mistiming realization of instruction between responding and whether have the detection of other these instructions of box die response on to serial common bus.
The second situation: when disjunctor chip 200 is normally connected on serial common bus, and the accessory constituent of disjunctor chip 100 is damaged or while being removed.Damaged or cannot work time at accessory constituent, in order to ensure the steady operation of circuit, accessory constituent can be removed from disjunctor chip.Therefore only have the accessory constituent of disjunctor chip 200 by its interface unit, to receive the instruction that comprises reference address " 01 ", the C moment of the response recognition unit of its accessory constituent after the B moment located, check this instruction that whether had other box die response on serial common bus, because the accessory constituent of disjunctor chip 100 is damaged or be removed, the C moment remains high level (expression does not have other this instructions of box die response), in the C moment, postponing the D moment of a period of time locates, the accessory constituent of disjunctor chip 200 sends to serial common bus by its interface unit by the fix information of the reference address of cell stores " 01 " (first place that represents the information of addressing " 01 " in Fig. 8 is low level signal), now print imaging device and can receive this information, in this case, the output signal sequential chart similar to Figure 8 of the accessory constituent of disjunctor chip 200.
The third situation: when disjunctor chip 100 is normally connected on serial common bus, and the accessory constituent of disjunctor chip 200 is damaged or while being removed.Similar with the first situation, the accessory constituent of disjunctor chip 100 has received the instruction that comprises reference address " 01 " by its interface unit, in the negative edge A moment of last clock signal of printing imaging device transmission instruction, locate, the response recognition unit of its accessory constituent detects on serial common bus whether have other this instructions of box die response, due to the default TP top priority of priority level determining unit of the accessory constituent of disjunctor chip 100, do not have the instruction of other disjunctor die response printing imaging device herein, in the A moment, postponing the B moment of a period of time locates, the accessory constituent of disjunctor chip 100 sends to serial common bus by its interface unit by the fix information of the reference address of cell stores " 01 " (first place that represents the information of addressing " 01 " in Fig. 7 is low level signal), now print imaging device and can receive this information.In C moment and D moment, locate, because the accessory constituent of disjunctor chip 200 is damaged or be removed, these two moment can not change, in this case, and the sequential chart that the output signal of the accessory constituent of disjunctor chip 100 is similar to Figure 7.
The accessory constituent of above-mentioned disjunctor chip, describes as example not to be assigned with address of devices.Due to the cell stores of accessory constituent is the information that is common to the different imaging cartridges of same printing imaging device, therefore, can also in storage unit, store the address of devices of different imaging cartridges, when receiving the instruction that has comprised address of devices and reference address, can also be simultaneously according to address of devices and reference address, whether be the instruction of calling out self, to determine whether sending the general information of self storing by interface unit if identifying.If same information, for example, about the information of recording material capacity, addressing in disjunctor chip 100 is " 01 ", and addressing in disjunctor chip 200 is " 02 ", must give accessory constituent distribution devices address, and according to address of devices and reference address, determine the information that need to send to printing imaging device simultaneously.
Embodiment tri-
In order to remove easily when needed the accessory constituent of disjunctor chip, can adopt the method for multiple fixing accessory constituent, one method is that accessory constituent or its internal module are made to plug-in unit pattern, when encapsulation, be inserted on disjunctor chip, when removing, can from disjunctor chip, extract easily.Another kind method is as shown in Fig. 9 A and Fig. 9 B, the major part of disjunctor chip and accessory constituent are all arranged on two ends on same circuit board (seeing the front elevation of Fig. 9 A disjunctor chip), circuit board between major part and accessory constituent forms a V-arrangement elongated slot (seeing the side view of Fig. 9 B disjunctor chip) by machining, can break easily when needed deenergizing plate, accessory constituent is removed from disjunctor chip.By cut into groove or the punching of other shapes in the position of V-arrangement elongated slot, also can play similar effect, at this, do not limited.
Embodiment tetra-
The present invention also provides a kind of disjunctor chipset that is applicable to same printing imaging device, each disjunctor chip has comprised respectively accessory constituent and major part, accessory constituent is connected, possibly in an attachable fashion, to major part, these disjunctor chips can comprise above-mentioned disjunctor chip 100 and disjunctor chip 200, the accessory constituent of disjunctor chip comprises interface unit, storage unit, priority level determining unit and control module, can also comprise response recognition unit.The default priority level of priority level determining unit of the accessory constituent of each disjunctor chip is determined the delivery time difference of information, when adopting the disjunctor chip of embodiment bis-, and the default priority level difference of priority level determining unit.The definition of the unit module of the accessory constituent of the present embodiment and function referring to embodiment mono-and embodiment bis-, do not repeat them here respectively.
Visible, because the disjunctor chip in the present invention can be confirmed whether to exist other disjunctor chips at the idle period of printing imaging device, or can first identify the response that whether has other box chips on serial common bus, therefore can avoid different accessory constituents to respond the signal conflict causing simultaneously, in addition, when printing imaging device still needs to access impaired accessory constituent canned data, the setting of priority level determining unit can be therein in accessory constituent situation of damaging or being removed, ensure that other do not have accessory constituent damaged or that remove can respond in time printing imaging device, thereby guaranteed to be printed as the normal execution of picture.When the accessory constituent of indivedual disjunctor chips is removed, also need not change disjunctor chip, avoided the main storer that the price in major part is higher to be wasted.
Embodiment five
An aspect of of the present present invention also provides a kind of imaging cartridge, and the disjunctor chip of above-described embodiment one can be installed on this imaging cartridge; Another aspect of the present invention also provides the imaging cartridge group of printing imaging device for same, the disjunctor chip of above-described embodiment one or embodiment bis-can be respectively installed in imaging cartridge group, and the default priority level of priority level determining unit of the accessory constituent of the disjunctor chip of each imaging cartridge is determined the delivery time difference of information.When adopting the disjunctor chip of embodiment bis-, the default priority level difference of priority level determining unit.
One of ordinary skill in the art will appreciate that: all or part of step that realizes above-mentioned each embodiment of the method can complete by programmed instruction or relevant hardware, and the part unit of disjunctor chip also can be completed by computer program.Aforesaid program can be stored in a computer read/write memory medium.This program, when carrying out, is carried out the step that comprises above-mentioned each embodiment of the method; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.
Finally it should be noted that: above each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications 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 (10)
1. for a disjunctor chip for imaging cartridge, described disjunctor chip comprises accessory constituent and major part, it is characterized in that, described accessory constituent comprises:
Interface unit, is connected to printing imaging device by serial common bus, and it prints for receiving instruction and the power supply signal that imaging device sends;
Storage unit, it has stored the information that is common to different imaging cartridges;
Priority level determining unit, it has preset priority level and has determined the delivery time of information; With
Control module, receiving while printing the power supply signal that imaging device sends, (a.) for determine the delivery time of information in default priority level, determines information to sending priority level on serial common bus; (b.) also for detection of the priority level that whether exists other disjunctor chips to send on serial common bus, determine information, if there is no, the instruction of the follow-up transmission of imaging device is printed in control module response.
2. disjunctor chip according to claim 1, it is characterized in that, when detecting that the priority level that does not exist other disjunctor chips to send on serial common bus is determined information, control module sends to printing imaging device by interface unit by the general information of cell stores.
3. disjunctor chip according to claim 1, is characterized in that, priority level determines that the delivery time of information is relevant to priority level, and priority level is higher, toward sending priority level on serial common bus, determines that the delivery time of information is relatively forward; On the contrary, priority level is lower, toward after sending priority level on serial common bus and determining that the delivery time of information leans on relatively.
4. according to the arbitrary described disjunctor chip of claim 1-3, it is characterized in that, if control module is determined in default priority level, detect that the priority level that exists other disjunctor chips to send on serial common bus determines information before the delivery time of information, control module is not determined information to sending priority level on serial common bus.
5. according to the arbitrary described disjunctor chip of claim 1-3, it is characterized in that, described accessory constituent also comprises response recognition unit, and it is for identifying whether there is response on serial common bus;
Described priority level determining unit has also been preset priority level;
Described control module also for, receiving while printing the instruction that imaging device sends, the moment corresponding according to default priority level, the response on control response recognition unit identification serial common bus, and the instruction of imaging device is printed in response.
6. disjunctor chip according to claim 1, is characterized in that, the accessory constituent of described disjunctor chip is connected, possibly in an attachable fashion, to major part.
7. disjunctor chip according to claim 6, is characterized in that, the major part of disjunctor chip and accessory constituent are arranged on the two ends on same circuit board, and the circuit board between major part and accessory constituent is formed with a V-arrangement elongated slot.
8. a disjunctor chipset, shown in disjunctor chipset comprise at least two disjunctor chips as described in as arbitrary in claim 1-7, it is characterized in that, the default priority level of priority level determining unit of the accessory constituent of each disjunctor chip is determined the delivery time difference of information.
9. an imaging cartridge, is characterized in that, it is provided with the disjunctor chip as described in as arbitrary in claim 1-7.
10. an imaging cartridge group, is characterized in that, it is separately installed with the disjunctor chip as described in as arbitrary in claim 1-7, and the default priority level of priority level determining unit of the accessory constituent of each disjunctor chip is determined the delivery time difference of information.
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| CN201410019633.7A CN103744273B (en) | 2014-01-16 | 2014-01-16 | Disjunctor chip, disjunctor chipset, imaging cartridge and imaging cartridge group |
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| CN103744273B (en) | 2016-06-29 |
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Address after: Area B, Floor 7, Building 04, No. 63, Qianshan Mingzhu North Road, Zhuhai City, Guangdong Province, 519000 Patentee after: Jihai Microelectronics Co.,Ltd. Address before: Area B, Floor 7, Building 04, No. 63, Qianshan Mingzhu North Road, Zhuhai City, Guangdong Province, 519000 Patentee before: APEX MICROELECTRONICS Co.,Ltd. |
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