CN109409076B - Verification method and device of printing consumable box and consumable chip - Google Patents
Verification method and device of printing consumable box and consumable chip Download PDFInfo
- Publication number
- CN109409076B CN109409076B CN201710844078.5A CN201710844078A CN109409076B CN 109409076 B CN109409076 B CN 109409076B CN 201710844078 A CN201710844078 A CN 201710844078A CN 109409076 B CN109409076 B CN 109409076B
- Authority
- CN
- China
- Prior art keywords
- serial number
- imaging device
- verification
- control unit
- unit
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/44—Program or device authentication
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
- G06F21/73—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information by creating or determining hardware identification, e.g. serial numbers
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
- Control Or Security For Electrophotography (AREA)
Abstract
The invention provides a method and a device for verifying a printing consumable box and a consumable chip. The method comprises the following steps: before receiving a serial number verification instruction sent by a control unit of an imaging device or in the process of receiving the serial number verification instruction sent by the control unit of the imaging device, sending an interference signal to a verification unit of the imaging device so that the verification unit of the imaging device stops sending verification information; and after receiving a serial number verification instruction sent by a control unit of the imaging device each time, sending a message containing a pre-stored serial number and a serial number verification result to the control unit of the imaging device. The invention can save the storage space of the consumable chip and shorten the verification time when the serial number is verified.
Description
Technical Field
The invention relates to the technical field of printing and imaging, in particular to a verification method and device of a printing consumable box and a consumable chip.
Background
The printing consumable box (for example, the ink box suitable for the ink jet printer and the carbon powder box suitable for the laser printer) is often provided with a consumable chip for storing information related to printing consumables, so that the printing imaging equipment can identify the printing consumable box by reading the information of the consumable chip, and can record the use state information of the printing consumable box on the consumable chip.
In order to distinguish different consumable boxes, a Serial Number (SN) is also stored on the consumable chip for the printer to verify the validity of the consumable box. In order to improve the reliability of verification, a manufacturer of an imaging device sets serial numbers generated by an algorithm on original consumable chips (manufactured by the manufacturer of the imaging device or manufactured by authorization), and the conventional partial printer verifies a plurality of serial numbers of the consumable chips. The compatible consumable chip (designed and manufactured by other third-party manufacturers and applicable to the imaging equipment) generally does not master the algorithm of the serial number, and can only be provided for the imaging equipment in a mode of storing a plurality of serial numbers by the compatible consumable chip, but the compatible consumable chip can occupy more space when storing the plurality of serial numbers and has longer verification time.
Disclosure of Invention
According to the verification method and device for the printing consumable box and the consumable chip, provided by the invention, the storage space of the consumable chip can be saved, and the verification time is shortened when the serial number is verified.
In a first aspect, the present invention provides a method for verifying a printing consumable cartridge, the method being applied to a consumable chip in the printing consumable cartridge, the printing consumable cartridge being detachably mounted on an image forming apparatus including a control unit and a verification unit, the consumable chip, the control unit and the verification unit being communicably connected to a common bus, the method including:
before receiving a serial number verification instruction sent by a control unit of an imaging device or in the process of receiving the serial number verification instruction sent by the control unit of the imaging device, sending an interference signal to a verification unit of the imaging device so that the verification unit of the imaging device stops sending verification information;
and after receiving a serial number verification instruction sent by a control unit of the imaging device each time, sending a message containing a pre-stored serial number and a serial number verification result to the control unit of the imaging device.
Optionally, before receiving the serial number verification instruction sent by the control unit of the imaging device, the sending the interference signal to the verification unit of the imaging device includes:
before receiving a serial number verification instruction sent by a control unit of the imaging device, sending a pseudo serial number verification instruction carrying verification end information to a verification unit of the imaging device.
Optionally, in the process of receiving the serial number verification instruction sent by the control unit of the imaging device, sending an interference signal to the verification unit of the imaging device includes:
and in the process of receiving a serial number verification instruction sent by a control unit of the imaging device, sending a stop signal to a verification unit of the imaging device.
Optionally, the sending a stop signal to the verification unit of the imaging device in the process of receiving the serial number verification instruction sent by the control unit of the imaging device includes:
the method comprises the steps of sending a stop signal to a verification unit of the imaging device in the process of receiving a serial number verification instruction sent by a control unit of the imaging device for the first time, or sending the stop signal to the verification unit of the imaging device in the process of receiving the serial number verification instruction sent by the control unit of the imaging device each time.
Optionally, after the imaging device is restarted, after sending the interference signal to the verification unit of the imaging device, sending a message including a pre-stored serial number and a serial number verification result to the control unit of the imaging device.
Optionally, after the imaging device is restarted, the serial number and the serial number verification result sent to the control unit of the imaging device each time are the same as the serial number and the serial number verification result sent to the control unit of the imaging device each time after the imaging device is started for the first time.
In a second aspect, the present invention provides an apparatus for verifying a printing consumable cartridge, the apparatus being located in a consumable chip in the printing consumable cartridge, the printing consumable cartridge being detachably mounted on an image forming apparatus including a control unit and a verification unit, the consumable chip, the control unit and the verification unit being communicably connected to a common bus, the apparatus comprising:
the authentication device comprises a first sending unit, a second sending unit and a control unit, wherein the first sending unit is used for sending an interference signal to an authentication unit of the imaging device before receiving a serial number authentication instruction sent by a control unit of the imaging device or in the process of receiving the serial number authentication instruction sent by the control unit of the imaging device so as to enable the authentication unit of the imaging device to stop sending authentication information;
and the second sending unit is used for sending a message containing the pre-stored serial number and the serial number verification result to the control unit of the imaging device after receiving the serial number verification instruction sent by the control unit of the imaging device each time.
Optionally, the first sending unit is configured to send a pseudo serial number verification instruction carrying verification end information to a verification unit of the imaging apparatus before receiving a serial number verification instruction sent by a control unit of the imaging apparatus.
Optionally, the first sending unit is further configured to send a stop signal to the verification unit of the imaging apparatus in a process of receiving a serial number verification instruction sent by the control unit of the imaging apparatus.
Optionally, the first sending unit is further configured to send a stop signal to the authentication unit of the imaging apparatus during first receiving of the serial number authentication instruction sent by the control unit of the imaging apparatus, or send a stop signal to the authentication unit of the imaging apparatus during each receiving of the serial number authentication instruction sent by the control unit of the imaging apparatus.
Optionally, the apparatus further comprises:
and the third sending unit is used for sending a message containing the serial number and the serial number verification result to the control unit of the imaging device after sending the interference signal to the verification unit of the imaging device after the imaging device is started again.
Optionally, after the imaging device is restarted, the serial number and the serial number verification result sent to the control unit of the imaging device each time are the same as the serial number and the serial number verification result sent to the control unit of the imaging device each time after the imaging device is started for the first time.
In a third aspect, the invention provides a consumable chip comprising the verification device of the printing consumable cartridge.
Before receiving a serial number verification instruction sent by a control unit of an imaging device or in the process of receiving the serial number verification instruction sent by the control unit of the imaging device, sending an interference signal to a verification unit of the imaging device to enable the verification unit of the imaging device to stop sending verification information, and sending a message containing a pre-stored serial number and a serial number verification result to the control unit of the imaging device after receiving the serial number verification instruction sent by the control unit of the imaging device each time. Compared with the prior art, the invention can save the storage space of the consumable chip and shorten the verification time when the serial number is verified.
Drawings
FIG. 1 is a flowchart illustrating a method for verifying a printing consumable cartridge according to an embodiment of the present invention;
FIG. 2 is a diagram illustrating the generation of a stop signal according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an apparatus for verifying a printing consumables cartridge according to an embodiment of the present invention;
FIG. 4 is a schematic diagram illustrating the connection between a consumable chip of the authentication apparatus including a printing consumable cartridge and an image forming device according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of an authentication apparatus for a printing consumable cartridge according to another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a method for verifying a printing consumable cartridge, which is applied to a consumable chip in the printing consumable cartridge, wherein the printing consumable cartridge is detachably installed on an imaging device comprising a control unit and a verification unit, the consumable chip, the control unit and the verification unit are communicably connected on the same common bus, and as shown in figure 1, the method comprises the following steps:
s11, before receiving a serial number verification instruction sent by a control unit of the imaging device or in the process of receiving the serial number verification instruction sent by the control unit of the imaging device, sending an interference signal to a verification unit of the imaging device so as to enable the verification unit of the imaging device to stop sending verification information;
and S12, after receiving the serial number verification instruction sent by the control unit of the imaging device each time, sending a message containing the pre-stored serial number and the serial number verification result to the control unit of the imaging device.
The last consumptive material chip that sets up of printing consumptive material box mainly used storage plays the effect of identification and record state with the relevant information of printing consumptive material, installs back on printer (imaging device) when the consumptive material box that will be provided with the consumptive material chip, and the printer will provide the signal of telecommunication to the consumptive material chip to read the information of consumptive material chip. In order to identify whether the consumable cartridge can work normally, the printer sends a reading instruction to the consumable chip to read information related to identity identification, such as the model, manufacturer, serial number and the like of the consumable cartridge, and in addition, sends a verification instruction to the consumable chip, wherein the verification instruction is mainly used for verifying an encryption and decryption algorithm, a communication rule and the like of the consumable chip. When both the reading command and the verification command can correctly respond to the printer, the consumable chip is considered to be normally identified by the printer.
The image forming apparatus includes a control unit (e.g., a CPU of a printer) and a verification unit (e.g., an encryption chip provided in the printer for verifying data such as a serial number of a consumable chip). The consumable chip, the control unit and the verification unit are connected to the same public bus in a communication mode, and therefore any one of the consumable chip, the control unit and the verification unit sends information, and other two information can be received.
In the prior art, the process of the consumable chip responding to the serial number verification instruction initiated by the imaging device is as follows:
the imaging device is opened by the user each time, the imaging device can verify the serial number of the consumable chip, after the imaging device is opened, the imaging device starts to supply power to the consumable chip, and the serial number verification instruction is sent three times successively.
When the control unit of the imaging device sends a first serial number verification instruction to the consumable chip, the consumable chip and the verification unit can simultaneously receive the first serial number verification instruction, and the verification unit calculates and generates verification information according to the instruction and some additional parameters and replies to the control unit through the common bus. At this time, the consumable chip receives the verification information, and the consumable chip calculates and generates the first serial number reply data according to the verification information and the first serial number of the consumable chip. And after receiving the first serial number reply data and the verification information of the verification unit, the control unit of the imaging device starts to verify other aspects, and if the verification is passed, a second serial number verification instruction is sent.
After the consumable chip and the verification unit receive the second serial number verification instruction, the verification unit calculates and generates verification information according to the instruction and some additional parameters, and replies to the control unit through the public bus. At this time, the consumable chip receives the verification information, and the consumable chip calculates and generates second serial number reply data according to the verification information and the second serial number of the consumable chip. And after receiving the second serial number reply data and the verification information of the verification unit, the control unit of the imaging device starts to verify other aspects, and if the verification is passed, a second serial number verification instruction is sent. If the verification is passed, other read-write commands or standby commands are sent, and a third serial number verification command can be sent continuously, and so on.
Therefore, in the prior art, when a user turns on the imaging device for the first time, the consumable chip needs to reply with three serial numbers (for example, A, B, C); the next time the imaging device is turned on, the consumable chip needs to reply with three more serial numbers (e.g., D, E, F), and so on. If the algorithm of serial numbers of compatible consumable chips produced by compatible manufacturers is not clear, a plurality of sets (3 serial numbers in each set) of serial numbers need to be stored, and a large amount of storage space needs to be occupied.
According to the verification method of the printing consumable box provided by the embodiment of the invention, in the communication process of the consumable chip and the imaging equipment, the verification unit in the imaging equipment stops verifying the serial number or stopping working by sending the specific interference signal, so that the consumable chip can send the same serial number (for example, the same serial number A, B, C is replied every time) in each verification, and the aims of reducing verification time and serial number storage space are fulfilled.
Specifically, there are various implementation manners of the interference signal, and the following specifically describes the verification method of the printing consumable box provided by the embodiment of the present invention by taking the interference signal as a pseudo serial number verification instruction as an example.
The pseudo serial number verification instruction is an interference signal sent by the consumable chip to the verification unit of the imaging device before the serial number verification instruction sent by the control unit of the imaging device is received, and the interference signal is used for enabling the verification unit in the imaging device to stop verifying the serial number.
The pseudo serial number verification instruction is a serial number verification instruction which is different from a serial number verification instruction sent by a control unit of the imaging equipment to the consumable chip, and the consumable chip automatically sends the serial number verification instruction to the verification unit to deceive the information of the verification unit. The format and length of the pseudo serial number validation instruction are similar to the serial number validation instruction issued by the control unit.
When the control unit needs to send two serial number verification instructions in total, the second verification instruction will contain information of verification completion, and after receiving the second verification instruction, the verification unit will consider that the serial number verification process is the last time and can complete. Similarly, when the control unit needs to send three serial number verification instructions in total, the third verification instruction will contain information of verification end, and after receiving the third verification instruction, the verification unit will consider that the serial number verification process is the last time, and may end. Therefore, the pseudo serial number verification instruction sent by the consumable chip to the verification unit can carry information which represents the verification end and is contained in the last serial number verification instruction sent by the control unit, so that the verification unit can consider that the verification of a plurality of serial numbers is finished when receiving the interference signal, and does not respond to the serial number verification instruction sent by the control unit any more.
After the consumable chip sends the stop signal to the verification unit of the imaging device, the verification unit stops responding to the serial number verification instruction sent by the control unit, and the consumable chip replaces the verification unit to respond to the serial number verification instruction of the control unit and transmits information representing the verification result.
After the consumable chip receives a serial number verification instruction sent by the control unit of the imaging device each time, the consumable chip sends a message containing a pre-stored serial number and a serial number verification result to the control unit of the imaging device. In addition, since the verification unit stops verifying a plurality of serial numbers, the verification time is reduced, and a user does not need to spend time waiting for long verification; moreover, the consumable chip can replace the verification unit to reply the verification information of the imaging device, and the verification of the imaging device can be ensured to pass by the compatible consumable chip under the conditions of reducing the storage space of the serial number and the verification time. Therefore, the use cost of the user can be reduced, the waiting time of the user is reduced, and the user experience is improved.
The following describes the application of pseudo serial number authentication instructions in the authentication process by using a specific example.
The following data (string) is a hexadecimal notation adopted for binary signals of the communication process, for example, a binary number corresponding to 0x61 is "01100001".
First, in the first step, the imaging device sends a 00C 1 command to the consumable chip for encryption, logic verification:
string1: D200C 14041 (the control unit of the imaging device sends 00C 1 instructions to the consumable chip)
String2: D3 AB 00060003E 4F 3E 4 (consumable chip replies to imaging device data in response to the command)
Secondly, in the second step, the consumable chip forcibly sends out an interference signal to deceive the verification unit:
string3: B000A 374C 17F 9C DD 65 (consumable chip force-sending B000A 3 command and verification unit communication)
Third, the imaging device sends a plurality of serial number verification instructions B000A 1/B000A 2/B000A 3 to the consumable chip:
string4: B000A 1410140E 685 BF (control unit sends first sequence number validation instruction)
String5 CF C4E 447029014403F E3 EA 4F 62537C B3 (consumable chip response and reply serial number, serial number verification result)
String6: B000A 24181A 337F 854 (control Unit sends second sequence number validation instruction)
String7 CF 3D 210118589A EC 0F B24077A 3C 9 FE 36 (consumable chip response and reply serial number, serial number verification result)
String8: B000A 374A 4C 5A 34798 (control unit sends third sequence number validation instruction)
String9 CF DB 8624C 9B 6A 5E 517685D 9E DB 54C 451 (consumable chip response and reply serial number, serial number verification result)
The String3: B000A 374C 17F 9C DD 65 in the second step is an interference signal forcibly sent to the common bus by the consumable chip, and the command format is similar to the String8 (third serial number verification command) sent by the imaging device, so the invention is called as a pseudo serial number verification command. After the verifying unit receives the interference signal, in order to consider that the serial number verification is the last step, the responses to the verifying instructions sent by the control unit of the imaging device of the three pieces of String4, String6 and String8 are stopped, and the verifying information is not sent to the consumable chip any more. Therefore, the data of the character strings String5, String7, and String9 are all replied by the consumable chip, and the same set of serial numbers (three serial numbers) can be replied each time the image forming apparatus is turned on, without storing multiple sets of serial numbers.
After the control unit receives the data of the character strings String5, String7 and String9, the serial number is considered to be legal, the authentication of the consumable chip can be passed, and then, the standby state is entered, and the user can perform operations such as printing, copying and the like by using the image forming apparatus.
The interference signal may also be implemented by a stop signal, and the method for verifying the printing consumable cartridge provided by the embodiment of the present invention is specifically described below by taking the interference signal as the stop signal.
The stop signal is an interference signal of the stop signal sent by the consumable chip to the verification unit of the imaging device in the process of receiving the serial number verification instruction sent by the control unit of the imaging device, and is used for stopping the verification unit in the imaging device from working, stopping verifying the serial number and stopping responding to the serial number verification instruction.
The stop signal is defined by a communication protocol adopted between the consumable chip and the imaging device, and is specifically determined according to the communication protocol. For example, when the standard IIC (integrated circuit bus) protocol is used between the consumable chip and the imaging device, the stop signal is a rising edge generated by the data signal when the clock signal is at a high level, and the stop signal is as shown in fig. 2.
In fig. 2, when the control unit transmits "1" on the data line, the normal signal is that the data Signal (SDA) becomes high when the Clock (CLK) is low, the data Signal (SDA) is maintained high when the clock signal is high, and the data signal becomes low when the clock signal becomes low again. When the STOP Signal (STOP) is sent, the data signal is forcibly kept pulled down until the clock signal becomes high, and then the data signal is released, so that the verification unit detects that a rising edge signal exists in the data signal when the clock signal is at a high level.
After the consumable chip sends a stop signal to the verification unit of the imaging device, the verification unit stops working, and the consumable chip replaces the verification unit to respond to the serial number verification instruction of the control unit and transmits information representing the verification result.
After the consumable chip receives a serial number verification instruction sent by the control unit of the imaging device each time, the consumable chip sends a message containing a pre-stored serial number and a serial number verification result to the control unit of the imaging device. In addition, since the verification unit stops verifying a plurality of serial numbers, the verification time is reduced, and the user does not need to wait for the verification in the process of waiting for time; moreover, the consumable chip can replace the verification unit to reply the verification information of the imaging device, and the verification of the imaging device can be ensured to pass by the compatible consumable chip under the conditions of reducing the storage space of the serial number and the verification time. Therefore, the use cost of the user can be reduced, the waiting time of the user is reduced, and the user experience is improved.
The following describes an application of the stop signal in the authentication process, taking the communication protocol as IIC as an example.
First, in the first step, the imaging device sends a 00C 1 command to the consumable chip for encryption, logic verification:
string1: D200C 14041 (the control unit of the imaging device sends 00C 1 instructions to the consumable chip)
String2: D3 AB 00060003E 4F 3E 4 (consumable chip replies to imaging device data in response to the command)
Secondly, the imaging device sends a plurality of serial number verification instructions B000A 1/B000A 2/B000A 3 to the consumable chip:
string4: B000A 1410140E 685 BF (the control unit sends a first sequence number verification instruction in which a stop bit is forcibly sent at a certain bit data "1" of certain data during the sending of this instruction, for example, at the high level of bit5 of the number 0xA1, namely "10100001" A1, bit5 is the 6 th number from the right "1")
String5 CF C4E 447029014403F E3 EA 4F 62537C B3 (consumable chip response and reply serial number, serial number verification result)
String6: B000A 24181A 337F 854 (control unit sends second sequence number verification instruction in which stop bit is forcibly sent at a certain bit data "1" of a certain data during the sending of this instruction)
String7 CF 3D 210118589A EC 0F B24077A 3C 9 FE 36 (consumable chip response and reply serial number, serial number verification result)
String8: B000A 374A 4C 5A 34798 (the control unit sends a third sequence number verification instruction in which a stop bit is forcibly sent at a certain bit data "1" of a certain data during the sending of this instruction)
String9 CF DB 8624C 9B 6A 5E 517685D 9E DB 54C 451 (consumable chip response and reply serial number, serial number verification result)
In this application example, during the process of the control unit sending the serial number verification command, the consumable chip forcibly changes the signal waveform of data transmission to generate a stop signal. The authentication unit considers that the communication process is ended, thereby stopping responding to the serial number authentication instruction of the control unit. Then, the data returned by the verification unit is returned by the consumable chip, so that the consumable chip can fixedly return the same set of serial numbers without changing and storing a plurality of sets of serial numbers.
In this application example, the consumable chip may forcibly transmit the stop signal only when the control unit transmits the first serial number verification command, and may not transmit the stop signal when the second/third serial number verification commands are transmitted. It is also possible to send a stop signal to the authentication unit of the image forming apparatus every time a serial number authentication instruction sent by the control unit of the image forming apparatus is received as in the above example.
According to the verification method of the printing consumable box provided by the embodiment of the invention, before a serial number verification instruction sent by a control unit of an imaging device is received, or in the process of receiving the serial number verification instruction sent by the control unit of the imaging device, an interference signal is sent to the verification unit of the imaging device so that the verification unit of the imaging device stops sending verification information, and after the serial number verification instruction sent by the control unit of the imaging device is received each time, a message containing a pre-stored serial number and a serial number verification result is sent to the control unit of the imaging device. Compared with the prior art, the invention can save the storage space of the consumable chip and shorten the verification time when the serial number is verified.
An embodiment of the present invention further provides a verification apparatus for a printing consumable cartridge, the apparatus is located in a consumable chip in the printing consumable cartridge, the printing consumable cartridge is detachably installed on an imaging device including a control unit and a verification unit, the consumable chip, the control unit and the verification unit are communicably connected to a common bus, as shown in fig. 3, the apparatus includes:
a first sending unit 11, configured to send an interference signal to an authentication unit of an imaging device before receiving a serial number authentication instruction sent by a control unit of the imaging device or in a process of receiving the serial number authentication instruction sent by the control unit of the imaging device, so that the authentication unit of the imaging device stops sending authentication information;
and a second sending unit 12, configured to send a message including a pre-stored serial number and a serial number verification result to the control unit of the imaging apparatus after receiving a serial number verification instruction sent by the control unit of the imaging apparatus each time.
Fig. 4 is a schematic diagram illustrating connection between an image forming apparatus and a consumable chip of an authentication device including a printing consumable cartridge according to an embodiment of the present invention. The consumable chip of the verification device comprising the printing consumable box provided by the embodiment of the invention is detachably installed on the printing consumable box, the printing consumable box is detachably installed on an imaging device provided with a control unit (such as a CPU of a printer) and a verification unit (such as an encryption chip arranged in the printer and used for verifying data such as a serial number of the consumable chip), and the consumable chip, the control unit and the verification unit are connected to the same public bus in a communication mode. Under the condition of the bus connection, the other two pieces of information sent by any one of the consumable chip, the control unit and the verification unit can be received, so that the consumable chip can also identify and monitor the communication between the control unit and the verification unit.
After the consumable chip is installed in the imaging equipment, the consumable chip starts to be powered on, data is read, and serial number verification can be carried out on the chip for multiple times. Referring to fig. 5, a schematic structural diagram of an authentication apparatus for a printing consumables cartridge according to an embodiment of the present invention is described below with reference to specific embodiments, where the authentication apparatus for a printing consumables cartridge includes:
an interface module 21 for receiving signals from and signalling to the common bus. Specifically, when the consumable chip and the imaging device communicate by way of electrical contact, the interface module 21 may be a plurality of electrical contacts such as a power terminal, a clock terminal, a data terminal, and a ground terminal. When the consumable chip and the imaging device communicate in a non-contact manner, the interface module 21 may be an infrared antenna, a bluetooth antenna, a 125KHz coil, a 13.56MHz coil, a 2.4GHz antenna, or the like.
The instruction identification module 22 is configured to identify an instruction and data sent by the imaging device, determine whether the instruction is a serial number verification instruction, and determine whether the received instruction is a read instruction, a write instruction, an encryption instruction, a logic verification instruction, or the like.
And an interference signal sending module 23, configured to send an interference signal to the common bus. The verification unit stops replying verification information to the public bus after receiving the interference signal, and the verification unit considers that the verification of the serial numbers is finished when receiving the interference signal, so that the validity verification of the serial number verification instruction sent by the consumable chip is not carried out any more.
Specifically, there are various types of interference signals transmitted by the interference signal transmission module 23. For example, the interference signal is a pseudo serial number verification instruction, the format and length of the pseudo serial number verification instruction are similar to those of the serial number verification instruction sent by the control unit, and the pseudo serial number verification instruction carries information indicating verification completion, so that the verification unit can consider that verification of a plurality of serial numbers is completed when receiving the interference signal, and does not respond to the serial number verification instruction sent by the control unit any more. Or the interference signal is a stop signal, the stop signal is defined by a communication protocol adopted between the consumable chip and the imaging device, and the stop signal can stop the operation of the verification unit in the imaging device according to the communication protocol.
And a replacement signal sending module 24, configured to send, to the common bus, the verification information that is sent by the verification unit by the replacement verification unit. These authentication information, which is originally transmitted by the authentication unit, includes information indicating that the serial number authentication instruction transmitted by the control unit has been received, and the like for responding to the control unit and transmitting information indicating the authentication result.
And a serial number replying module 25, configured to, after the interference signal sending module 23 sends the interference signal to the common bus, reply the serial number and the verification result when responding to the serial number verification instruction sent by the control unit of the imaging device, where the serial number and the verification result replied each time are the same as those replied to the imaging device each time the imaging device is turned on and the serial number verification is performed each time.
Specifically, if the image forming apparatus verifies two serial numbers, the serial number reply module 25 replies the same serial number as that replied after the last image forming apparatus is started, in response to the first serial number verification instruction and the second serial number verification instruction. If the imaging device verifies the three serial numbers, the control unit continues to send a third serial number verification instruction, and at this time, the serial number reply module needs to reply the three serial numbers which are the same as the reply of the imaging device started last time.
The memory module 26 generally stores data stored in the consumable chip, such as serial number information, date of manufacture, manufacturer, remaining amount, and printing amount, in the memory module 26. The memory module 26 may be in particular an EEPROM, a Flash memory, an EPROM, a ferroelectric memory, a phase change memory and a combination of a volatile memory and a power supply module (e.g. SRAM + button cell).
The consumable chip generally includes an electronic module and a circuit board (PCB), wherein the electronic module is disposed on the circuit board, and the electronic module includes the above-mentioned interface module 21, storage module 26, command recognition module 22, and the like.
According to the authentication device of the printing consumable box provided by the embodiment of the invention, before the serial number authentication instruction sent by the control unit of the imaging device is received, or in the process of receiving the serial number authentication instruction sent by the control unit of the imaging device, the interference signal is sent to the authentication unit of the imaging device, so that the authentication unit of the imaging device stops sending the authentication information, and after the serial number authentication instruction sent by the control unit of the imaging device is received each time, the authentication device sends the information containing the pre-stored serial number and the serial number authentication result to the control unit of the imaging device. Compared with the prior art, the invention can save the storage space of the consumable chip and shorten the verification time when the serial number is verified.
The embodiment of the invention also provides a consumable chip which comprises the verification device of the printing consumable box.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer readable storage medium, and when the program is executed by a control module or a processor (CPU), the processes of the embodiments of the methods described above can be included. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (13)
1. A method for verifying a printing consumable cartridge, the method being applied to a consumable chip in the printing consumable cartridge, the printing consumable cartridge being detachably mounted on an image forming apparatus including a control unit and a verification unit, the consumable chip, the control unit and the verification unit being communicably connected to a common bus, the method comprising:
before receiving a serial number verification instruction sent by a control unit of an imaging device or in the process of receiving the serial number verification instruction sent by the control unit of the imaging device, sending an interference signal to a verification unit of the imaging device so that the verification unit of the imaging device stops sending verification information;
and after receiving a serial number verification instruction sent by a control unit of the imaging device each time, sending a message containing a pre-stored serial number and a serial number verification result to the control unit of the imaging device.
2. The method of claim 1, wherein sending an interference signal to a validation unit of an imaging device prior to receiving a serial number validation instruction sent by a control unit of the imaging device comprises:
before receiving a serial number verification instruction sent by a control unit of the imaging device, sending a pseudo serial number verification instruction carrying verification end information to a verification unit of the imaging device.
3. The method of claim 1, wherein the sending an interference signal to a validation unit of the imaging device during the receiving of the serial number validation instruction sent by the control unit of the imaging device comprises:
and in the process of receiving a serial number verification instruction sent by a control unit of the imaging device, sending a stop signal to a verification unit of the imaging device.
4. The method of claim 3, wherein the sending a stop signal to a validation unit of the imaging device in receiving a serial number validation instruction sent by a control unit of the imaging device comprises:
the method comprises the steps of sending a stop signal to a verification unit of the imaging device in the process of receiving a serial number verification instruction sent by a control unit of the imaging device for the first time, or sending the stop signal to the verification unit of the imaging device in the process of receiving the serial number verification instruction sent by the control unit of the imaging device each time.
5. The method of claim 1, further comprising: and after the imaging equipment is started again, after an interference signal is sent to a verification unit of the imaging equipment, sending a message containing a pre-stored serial number and a serial number verification result to a control unit of the imaging equipment.
6. The method according to claim 5, wherein after the image forming apparatus is restarted, the serial number and the serial number verification result transmitted to the control unit of the image forming apparatus each time are the same as the serial number and the serial number verification result transmitted to the control unit of the image forming apparatus each time after the image forming apparatus is started for the first time.
7. The utility model provides a verification device of printing consumables box, the device is located in the consumptive material chip in the printing consumables box, printing consumables box detachably installs on the imaging equipment who includes the control unit and verifies the unit, consumptive material chip, the control unit and verify that the unit is communicably connected on same public bus, its characterized in that, the device includes:
the authentication device comprises a first sending unit, a second sending unit and a control unit, wherein the first sending unit is used for sending an interference signal to an authentication unit of the imaging device before receiving a serial number authentication instruction sent by a control unit of the imaging device or in the process of receiving the serial number authentication instruction sent by the control unit of the imaging device so as to enable the authentication unit of the imaging device to stop sending authentication information;
and the second sending unit is used for sending a message containing the pre-stored serial number and the serial number verification result to the control unit of the imaging device after receiving the serial number verification instruction sent by the control unit of the imaging device each time.
8. The apparatus according to claim 7, wherein the first sending unit is configured to send a pseudo serial number validation instruction carrying validation end information to the validation unit of the image forming apparatus before receiving the serial number validation instruction sent by the control unit of the image forming apparatus.
9. The apparatus according to claim 7, wherein the first sending unit is further configured to send a stop signal to the authentication unit of the image forming apparatus in a process of receiving a serial number authentication instruction sent by the control unit of the image forming apparatus.
10. The apparatus according to claim 9, wherein the first sending unit is further configured to send a stop signal to the authentication unit of the imaging device during a first reception of the serial number authentication instruction sent by the control unit of the imaging device, or send a stop signal to the authentication unit of the imaging device during each reception of the serial number authentication instruction sent by the control unit of the imaging device.
11. The apparatus of claim 7, further comprising:
and the third sending unit is used for sending a message containing the serial number and the serial number verification result to the control unit of the imaging device after sending the interference signal to the verification unit of the imaging device after the imaging device is started again.
12. The apparatus according to claim 11, wherein after the image forming apparatus is restarted, the serial number and the serial number verification result transmitted to the control unit of the image forming apparatus each time are the same as the serial number and the serial number verification result transmitted to the control unit of the image forming apparatus each time after the image forming apparatus is started for the first time.
13. A consumable chip, characterized in that it comprises a validation device of a printing consumable cartridge according to any of claims 7 to 12.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017107073986 | 2017-08-17 | ||
| CN201710707398 | 2017-08-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109409076A CN109409076A (en) | 2019-03-01 |
| CN109409076B true CN109409076B (en) | 2020-09-11 |
Family
ID=65462928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710844078.5A Active CN109409076B (en) | 2017-08-17 | 2017-09-19 | Verification method and device of printing consumable box and consumable chip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109409076B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113157225A (en) * | 2021-05-25 | 2021-07-23 | 广州众诺电子技术有限公司 | Method for switching serial numbers, consumable device and computer storage medium |
| CN116587741A (en) * | 2021-06-08 | 2023-08-15 | 极海微电子股份有限公司 | Consumable chip, consumable box and consumable chip authentication method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103753963A (en) * | 2013-12-26 | 2014-04-30 | 珠海艾派克微电子有限公司 | Method for using imaging device for verifying validity of imaging box and imaging device |
| CN106626795A (en) * | 2017-01-03 | 2017-05-10 | 珠海艾派克微电子有限公司 | Serial number transmission method, device, consumable chip and imaging box |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011010627A1 (en) * | 2011-02-08 | 2012-08-09 | Giesecke & Devrient Gmbh | Method of programming a mobile terminal chip |
| KR20150033895A (en) * | 2013-09-25 | 2015-04-02 | 삼성전자주식회사 | crum chip mauntable in comsumable unit, image forming apparatus for authentificating the crum chip, and method thereof |
-
2017
- 2017-09-19 CN CN201710844078.5A patent/CN109409076B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103753963A (en) * | 2013-12-26 | 2014-04-30 | 珠海艾派克微电子有限公司 | Method for using imaging device for verifying validity of imaging box and imaging device |
| CN106626795A (en) * | 2017-01-03 | 2017-05-10 | 珠海艾派克微电子有限公司 | Serial number transmission method, device, consumable chip and imaging box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109409076A (en) | 2019-03-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101510335B (en) | Printing apparatus management system, printing apparatus management method, and printing apparatus management program | |
| CN107451077B (en) | Test head, chip processing device and method for displaying chip type | |
| CN102173233B (en) | Consumable verification system and method | |
| US20110205581A1 (en) | Configuration data management system, printer, and electronic device control method | |
| US10223043B2 (en) | Printer and printing system | |
| CN102201843B (en) | Communication device, communication method and communication system | |
| CN112192961B (en) | Identification data switching method, equipment, consumable chip, consumable box and medium | |
| CN109409076B (en) | Verification method and device of printing consumable box and consumable chip | |
| US20160133103A1 (en) | Commodity sales data processing apparatus, docking station used in the same commodity sales data processing apparatus, and control method for the docking station | |
| CN107463341A (en) | Method for deleting, device and the mobile terminal of FLASH chip | |
| KR100921851B1 (en) | Electronic apparatus, information processing apparatus, adapter apparatus, and information exchange system | |
| CN101853351A (en) | Automatically the method and apparatus of the selection application that can realize by equipment | |
| CN106663259A (en) | Stamper, and terminal and operation method thereof | |
| JP5256785B2 (en) | Setup terminal and program | |
| CN202138071U (en) | Imaging device for verifying imaging cartridge chips | |
| JP2005047277A (en) | Method for managing operation option and configuration of machine, and printing machine | |
| CN108944542B (en) | Method for performing charging station identification for electric vehicle charging | |
| KR20100001593A (en) | On board unit publishing apparatus and method | |
| CN101656611A (en) | Authentication system, terminal and information processing device | |
| JP2008097415A (en) | Information system, authentication method, information processor, and program | |
| WO2018062000A1 (en) | Magnetic data processing device and magnetic data processing method | |
| JP5774417B2 (en) | Reading apparatus, control method, and program | |
| US11620631B2 (en) | Method for transmitting data to a magnetic reading head, method for processing received data, corresponding payment terminal and program | |
| CN117922169A (en) | Consumable chip, working method and consumable box | |
| JP2007086934A (en) | Rfid tag |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 519075 area B, 7th floor, building 04, No. 63, Mingzhu North Road, Qianshan, Zhuhai, Guangdong Patentee after: Jihai Microelectronics Co.,Ltd. Address before: 519075 area B, 7th floor, building 04, No. 63, Mingzhu North Road, Qianshan, Zhuhai, Guangdong Patentee before: APEX MICROELECTRONICS Co.,Ltd. |