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WO2015032205A1 - Groupe de mémoires et boîte d'imagerie - Google Patents

Groupe de mémoires et boîte d'imagerie Download PDF

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Publication number
WO2015032205A1
WO2015032205A1 PCT/CN2014/075610 CN2014075610W WO2015032205A1 WO 2015032205 A1 WO2015032205 A1 WO 2015032205A1 CN 2014075610 W CN2014075610 W CN 2014075610W WO 2015032205 A1 WO2015032205 A1 WO 2015032205A1
Authority
WO
WIPO (PCT)
Prior art keywords
memory
information
imaging device
stored
communication bus
Prior art date
Application number
PCT/CN2014/075610
Other languages
English (en)
Chinese (zh)
Inventor
丁励
刘卫臣
陈浩
Original Assignee
珠海艾派克微电子有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 珠海艾派克微电子有限公司 filed Critical 珠海艾派克微电子有限公司
Publication of WO2015032205A1 publication Critical patent/WO2015032205A1/fr

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/40—Details not directly involved in printing, e.g. machine management, management of the arrangement as a whole or of its constitutive parts

Definitions

  • the present invention relates to print imaging technology, and more particularly to a memory set and an imaging cassette. Background technique
  • the image forming apparatus includes at least a thermal transfer image forming apparatus, an ink jet image forming apparatus, and an electrophotographic image forming apparatus (e.g., a laser printer and an LED printer).
  • the imaging device needs to consume a large amount of coloring agent, and after the consumption, it is necessary to supplement these coloring agents. Therefore, a replaceable imaging cartridge is often installed in the image forming apparatus, and the image forming cartridge is loaded with a coloring agent. When the coloring agent in the imaging cartridge is consumed, the user can purchase a new imaging cartridge to mount into the imaging device.
  • an information storage device i.e., a cassette chip, has been disposed on the imaging cartridge. In the cartridge chip, information about the imaging cartridge, such as date of manufacture, color type/color, manufacturer, authentication information, colorant capacity, and colorant remaining amount, are generally stored.
  • the information in the cartridge chip can be classified, the changeable information can be stored in the programmable memory, and the immutable information can be stored in the read-only memory. Since the read-only memory is simple in structure and low in cost, Thus, the cost of the cartridge chip can be reduced. Since the imaging device is the host and the cartridge chip is the client, the communication rules and timing between the imaging device and the cartridge chip are controlled by the imaging device, but after the information is classified, how the cooperative memory and the read-only memory cooperate to cope with the imaging The equipment instructions are not yet fully implemented. Not only is the cooperation between the programmable memory and the read-only memory limited, but the same problem exists in cooperation between other identical types or different types of memories in response to instructions of the imaging device. Summary of the invention
  • the present invention provides a memory bank and an imaging cartridge.
  • the memory group is installable into the imaging device, the memory group includes at least a first memory and a second memory, the first memory and the second memory being connected to the imaging device through a same communication bus, the communication bus including the power line
  • the clock line and the data line the imaging device sends an instruction to the first memory and the second memory through the data line
  • the first memory stores the box chip identification information and the first information
  • the first information is stored according to a preset addressing rule.
  • the second memory storage box chip identification information and the second information, the second information is also stored according to a preset addressing rule, and the access address of the second information is associated with the access address of the first information, the first memory And determining whether the chip chip identification information in the received instruction is the same as the chip chip identification information stored in the first memory, and if the same, acquiring an access address and an access byte number from the received instruction; a cartridge for determining whether the chip chip identification information in the received command is related to the second memory
  • the slice identification information is the same, if the same, the second memory is marked; the first memory is further configured to determine whether the acquired access address and the number of access bytes access the second information stored in the second memory, if And inserting call information on the communication bus before the second memory is required to send the second information, where the information of the communication between the call information and the imaging device and the first memory is different;
  • the second memory is further configured to determine whether call information is inserted on the communication bus, and if so, to transmit the second information to the imaging device through the data line when the second memory has been marked.
  • the present invention also provides an imaging cartridge that is mounted with the first memory and the second memory described above.
  • the memory group and the imaging cartridge provided by the present invention determine and analyze the instruction of the imaging device by the first memory, and according to the access address and the number of access bytes in the instruction, the call information can be inserted on the communication bus in a timely manner, second
  • the memory can send the second information to the imaging device in time according to the inserted call information, skillfully avoiding the control of the imaging device, and can smoothly cooperate between the memories without interfering with the communication between the imaging device and the memory group. Responsive imaging device
  • Figure 1 shows a partial data diagram of the original box chip storage
  • 2 is a schematic diagram of part of data stored by the memory bank provided by the present invention
  • FIG. 3 is an information mapping table of memory storage of the original original box chip
  • FIG. 4 is an image forming apparatus and a box chip. Communication bus timing diagram for communication
  • FIG. 5 is an information mapping table stored in the first memory of the present invention
  • Figure 6 is an information mapping table stored in the second memory of the present invention.
  • Figure 7 shows a method of inserting call information on the communication bus
  • Figure 8 shows another method of inserting call information on the communication bus
  • Figure 9 is a flow chart of a method for replacing a cartridge chip provided by the present invention.
  • Figure 10 shows the method by which the first memory monitors the data line and transmits the information.
  • FIG. 1 shows a partial data diagram of the original box (OEM) chip storage.
  • the original box chip A and the original box chip B both store the first information and the second information.
  • Other information (not shown) is stored, and the original box chip A and the original box chip B are connected to the image forming apparatus through the same communication bus.
  • the original box chip needs at least a storage space for storing the first information and the second information.
  • FIG. 2 is a schematic diagram of partial data stored by the memory bank provided by the present invention.
  • the memory bank provided by the present invention includes at least a first memory storing first information and a second memory storing second information. Since the first memory and the second memory are connected to the imaging device through the same communication bus, when the imaging device needs to access the first information, the first memory can be provided to the imaging device, and when the imaging device needs to access the second information, the second device can be The memory is provided to the imaging device, and the imaging device does not prompt a malfunction because the required information is not accessed.
  • the aforementioned original box chip refers to a box chip designed by the manufacturer of the image forming apparatus and sold together with the image forming box.
  • the box chip generally includes a memory for storing data, and the original box chip stores a large amount of data about the image forming box. For example, date of manufacture, colorant type/color, manufacturer, certification sequence information, number of printed pages, colorant capacity, and amount of colorant remaining. These ones In the data, such as the date of manufacture, the manufacturer, the colorant capacity, and the authentication sequence information, all of which belong to the read-only information of the imaging cartridge, the imaging device does not rewrite these read-only information during the printing and imaging process; and the number of printed pages and the colorant Rewriteable information that changes as the process of printing is imaged.
  • the memory group provided in this embodiment can be classified into different memories according to the characteristics of the data, and the changeable information is stored in the programmable memory, and the unchangeable read-only information is stored only in the memory.
  • the memory in the read memory or the readout circuit is simple and the circuit is complicated to be erased. Since the read-only memory has a simple structure and low cost, the cost of the chip chip can be reduced.
  • the programmable memory for storing information in the memory group of the present invention may be a common non-volatile memory such as EPROM, EEPROM, FLASH, ferroelectric memory, phase change memory, etc., or may be powered by volatile memory.
  • the power supply scheme, such as SRAM + battery or capacitor, DRAM + battery or capacitor; and read-only memory can use the above listed memory, or can be a One Time Programmable Memory (OTP).
  • OTP One Time Programmable Memory
  • each of the memories does not need to store both the first information and the second information, it can be stored with a smaller capacity memory, and can be classified and stored according to the type of information in the original box chip.
  • the first information is the read-only information, that is, the data cannot be rewritten
  • the second information is the rewritable data
  • the first information and the second information are both a set, and the first memory can be used.
  • the rewritten memory, the second memory uses a rewritable memory, and since the unrewritable memory structure is simple and inexpensive, the cost of the entire memory bank can be further reduced.
  • the first information may also be the authentication sequence information in the read-only information, and the second information is other information than the authentication sequence information.
  • the first memory is used for the imaging device authentication, which requires relatively complicated logic processing. Unit
  • the second memory is only used to store data, and does not require a complicated logic processing unit.
  • the memory group of the present invention only needs one of them to have a complicated logic processing unit. The rest only need to have the ability to store data, so the use of complex logic processing units can be reduced, thereby reducing the cost of the entire memory bank.
  • the information stored in the memory of the original cartridge chip is as shown in the information storage table of the memory storage of the original cartridge chip as contemplated in FIG.
  • the first information is stored at address 01 to address 10
  • the second information is stored at addresses 11 through 20, and the information for each address is one byte. Since all the original box chips are hung on the same communication bus, in order to identify each other, each box chip has a separate identification information (Identification, ID). And stored in address 00.
  • the cartridge chip identification information can also be understood as the identification information of the imaging cartridge. Since a plurality of imaging cartridges loaded with different color/type colorants are detachably mounted on the imaging device, the cartridge chip identification information is mainly used to distinguish different imaging cartridges. That is, the cartridge identification information can be represented by the color/type of the colorant.
  • the instructions sent by the line (SDA) include the operation information, the chip chip ID, the access address, and the number of bytes accessed, and may also include other related data.
  • the chip chip ID in the chip chip determination command is the same as the chip chip ID stored by itself, the confirmation command is sent to itself, and then according to the operation information (read or write), the access address, and the number of access bytes, Perform the appropriate processing.
  • the present invention provides a memory group mountable into an image forming apparatus, the memory group including at least a first memory and a second memory, the first memory and the second memory being connected to each other through a same communication bus Imaging device (not shown).
  • the communication bus includes a power line, a clock line, and a data line, and the imaging device transmits an instruction to the first memory and the second memory through the data line.
  • the first memory stores the chip identification information and the first information, and the first information is stored according to a preset addressing rule, where the predetermined addressing rule is a rule for storing the information to a specific memory address, such as the lower address in FIG. 01 starts storing the first information until the upper address is 10.
  • the second memory stores the box chip identification information and the second information, the second information is also stored according to a preset addressing rule, and the access address of the second information is associated with the access address of the first information, or 6 stores the second information from the relatively lower address 11 until the upper address 20, and the address of the second information is after the address of the first information.
  • the address relationship between the first information and the second information is not limited thereto. .
  • the first memory is configured to determine whether the chip chip identification information in the received instruction is the same as the box identification information stored in the first memory. If the same, the access address and the number of access bytes are obtained from the received instruction. According to the obtained access address and the number of access bytes, it is possible to know the range of information to be accessed by the instruction, for example, if the access address is 02 and the number of access bytes is 3 bytes. It means that the information to be accessed by the instruction is data of 3 bytes from the access address 02 to the access address 04.
  • the second memory is configured to determine whether the chip chip identification information in the received command is the same as the box identification information stored in the second memory, and if the same, mark the second memory. There are a number of ways to mark the second memory, one way is to store a tag information in the second memory. When the second memory determines that the chip chip identification information in the received command is different from the box identification information stored in the second memory, the flag information is cleared; or the second memory marks the power line when the power line is powered off or powered on again. Information is cleared.
  • the first memory is further configured to determine whether the acquired access address and the number of access bytes access the second information stored in the second memory, and if so, before the second memory is required to send the second information, on the communication bus
  • the call information is inserted, and the information of the communication between the call information and the imaging device and the first memory is different.
  • the access address is 08
  • the number of access bytes is 2 bytes.
  • the second information stored in the second memory is not accessed; if the access address is 08 and the number of access bytes is 4 bytes, then the address 11 stored in the second memory needs to be accessed, that is, the second information needs to be accessed.
  • the second memory After the first memory sends the first information corresponding to the access address and the number of access bytes, the second memory should further continue to send the second information corresponding to the access address and the number of access bytes, due to the first memory and the second
  • the memories are connected by a communication bus, and the first memory needs to tell the second memory when the second memory should start transmitting the second information through the communication bus before the second memory transmits the second information.
  • the present invention employs a method of inserting call information on a communication bus.
  • a timing diagram for performing normal communication between the imaging device and the first memory is as shown in FIG. 4.
  • the present invention has various methods for inserting call information on the communication bus.
  • the method is a method of inserting call information on the communication bus as shown in FIG.
  • the first memory is inserted on the clock line (CLK) before the second memory is required to send the second information.
  • the call information ⁇ ⁇ , the call information ⁇ ⁇ is a small range of voltage fluctuations and appears in the clock period of the last bit of data transmitted by the first memory.
  • the first memory generates call information ⁇ ⁇ , which can reduce the resistance between the clock terminal and the ground terminal in a short time, and release a large current, thereby reducing the clock line (CLK) in a short time, and then fast. The speed returns to normal.
  • Inserting the call information on the communication bus may also employ another method of inserting call information on the communication bus as shown in Fig. 8.
  • the call signal ⁇ in Fig. 7 continues at least.
  • the call signal duration in Figure 8 is less than half a clock cycle.
  • the first memory inserts call information on the clock line (CLK) before the second memory is required to send the second information SDA2, and the call information is also a small range of voltage fluctuations, and the clock of the last bit data transmitted in the first memory Within the cycle.
  • the call information is not limited to the small-range buck in the figure, or it can be a small-range boost.
  • Call information can also be generated on other communication buses, such as power lines (VCC) or data lines (SDA).
  • VCC power lines
  • SDA data lines
  • VCC power lines
  • signal amplitude shown in Figures 7 and 8
  • it can also be a change in signal duration, such as shortening or lengthening the normal waveform duration when a call message needs to be inserted.
  • the second memory is further configured to determine whether call information is inserted on the bus, and if so, send the second information to the imaging device through the data line when the second memory has been marked, that is, the second memory is already marked At the time, the above call information will be monitored on the communication bus. In order to collect call information on the communication bus, the sampling circuit and other related circuits are often required to be set on the second memory. As described above, when the second memory determines that the call information is inserted on the communication bus, it also determines whether it has been marked. If both of the conditions are satisfied, the second memory is stored in the second memory through the data line. information. As described above, if the second memory is not required to transmit all the second information to the imaging device, the first memory also needs to insert new call information into the communication bus before the second memory should stop transmitting the information, to notify the The second memory stops continuing to send the second information.
  • the second memory can also start monitoring whether the above-mentioned call information appears on the communication bus only when the second memory is marked.
  • the second information may be sent in the clock cycle in which the call information appears; the response speed of the second memory may also be considered, and the first memory is advanced ( ⁇ greater than or equal to 1)
  • the clock cycle inserts the call information into the communication bus, and the second memory begins transmitting the second message after the clock cycle.
  • the memory group provided by the present invention determines and analyzes the instruction of the imaging device by the first memory, and can insert the call information on the communication bus according to the access address and the number of access bytes in the instruction, the second memory. According to the inserted call information, the imaging device can be timely Sending the second information, subtly bypassing the control of the imaging device, can smoothly cooperatively respond to the instructions of the imaging device between the first memory and the second memory without interfering with the communication of the imaging device with the memory bank.
  • the memory group in this embodiment may also be collectively referred to as a box chip.
  • the first memory and the second memory may be separately disposed on two independent circuit substrates as needed, or the first memory and the second memory may be disposed on the same circuit substrate.
  • one of the circuit substrates can be selectively replaced depending on whether or not the memory is defective, without replacing the two memories to cause usable memory waste. Thereby achieving the purpose of saving maintenance costs.
  • the present invention also provides an imaging cartridge for mounting into an image forming apparatus, characterized in that the image forming cartridge is mounted with the memory group in the above embodiment, that is, the first memory and the second memory.
  • the present invention also provides a method of replacing a cartridge chip. Suitable for recycling imaging cartridges and recycling
  • FIG. 9 is a flow chart of a method for replacing a cartridge chip provided by the present invention.
  • Step S21 removing the original box chip from the imaging box
  • Step S22 installing the first memory and the second memory onto the imaging box.
  • the first memory and the second memory in the above embodiment are mounted on the imaging cartridge.
  • the first memory and the second memory are respectively disposed on the independent circuit substrate, two circuit substrates need to be installed; when the first memory and the second memory are both disposed on the same circuit substrate, only the conventional method can be used. It is ok to install a circuit board.
  • the first memory determines the chip chip identification information in the received command and obtains the access address and the number of access bytes according to the judgment result.
  • the second memory also judges the chip chip identification information in the received command and marks it according to the judgment result.
  • the second memory may be configured to no longer judge the instruction sent by the imaging device, but delay monitoring the data change on the data line in a single clock cycle, and automatically send the data when the preset condition is met. Go out.
  • the first memory when the imaging device needs to access the first information of the first memory, the first memory and the original box chip perform the instruction normally; and when the first memory determines that the imaging device needs Accessing the second information of the second memory, the first memory no longer transmits the first information.
  • the second memory always monitors the information changes on the data line to determine whether the second information needs to be sent.
  • Figure 10 shows the method of monitoring the signal of the first memory and transmitting the information. As shown in FIG. 10, the first memory transmits SDA1 information on the data line, and the second memory starts monitoring and timing at the rising edge of the signal in a single clock cycle, and determines whether there is information on the data line (SDA) for transmission, timing.
  • SDA data line
  • the second memory does not need to respond to instructions from the imaging device throughout the process, the second memory can be designed to be simpler.

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

Abstract

L'invention concerne un groupe de mémoires et une boîte d'imagerie. Le groupe de mémoires peut être monté dans un dispositif d'imagerie. Le groupe de mémoires comprend au moins une première mémoire et une seconde mémoire. La première mémoire détermine et analyse une instruction du dispositif d'imagerie. Par l'insertion d'informations d'appel sur un bus de communication au moment approprié selon une adresse d'accès et le nombre d'octets d'accès dans l'instruction, la seconde mémoire peut envoyer au moment opportun des secondes informations au dispositif d'imagerie selon les informations d'appel insérées de sorte que dans un cas dans lequel une communication entre le dispositif d'imagerie et le groupe de mémoires n'est pas affectée, il soit possible de répondre régulièrement à des instructions du dispositif d'imagerie entre les mémoires.
PCT/CN2014/075610 2013-09-06 2014-04-17 Groupe de mémoires et boîte d'imagerie WO2015032205A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310421363.8 2013-09-06
CN201310421363.8A CN104417071B (zh) 2013-09-06 2013-09-06 存储器组、成像盒及更换盒芯片的方法

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Publication Number Publication Date
WO2015032205A1 true WO2015032205A1 (fr) 2015-03-12

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WO (1) WO2015032205A1 (fr)

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AU2018451720B2 (en) * 2018-12-03 2022-11-17 Hewlett-Packard Development Company, L.P. Logic circuitry
PL3682359T3 (pl) 2018-12-03 2021-05-17 Hewlett-Packard Development Company, L.P. Obwód logiczny
PL3688636T3 (pl) 2018-12-03 2023-09-11 Hewlett-Packard Development Company, L.P. Zespół układów logicznych
WO2020117195A1 (fr) 2018-12-03 2020-06-11 Hewlett-Packard Development Company, L.P. Circuiterie logique
US11511546B2 (en) 2018-12-03 2022-11-29 Hewlett-Packard Development Company, L.P. Logic circuitry package
CN113103765B (zh) * 2021-04-02 2022-07-15 杭州旗捷科技有限公司 打印耗材认证方法、打印耗材芯片、打印耗材和打印系统

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