CN105522826B - Check value production method, consumable chip and the consumption material box including the consumable chip - Google Patents
Check value production method, consumable chip and the consumption material box including the consumable chip Download PDFInfo
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Abstract
The invention provides a kind of consumable chip and the consumption material box including the consumable chip, consumable chip is according to the write command and reading instruction for receiving, judge the state of its aiming field pointed to and label information, to complete the state for producing simultaneously update mark information of check value, so as to return to appropriate check value to printing imaging device.Due to the check value that printing imaging device needs to read need not be stored in consumable chip, but the generation of check value is controlled using the state of label information and is sent according to the reading characteristic of printing imaging device, such that it is able to reduces cost and can be by printing the legitimate verification of imaging device.
Description
Technical Field
The invention belongs to the field of printing and imaging, and particularly relates to a consumable chip, a consumable box and a check value generation method.
Background
Printing image forming apparatuses, such as inkjet printers, laser printers, copiers, and LED printers, have become indispensable in offices. In order to manage the consumable box used by the printing and imaging equipment conveniently, the consumable chip is often installed on the consumable box, so that when the consumable box is installed on the printing and imaging equipment, the printing and imaging equipment can acquire information in the consumable chip, and the legality of the consumable box is verified and the use state of the consumable box is recorded.
In the consumable chip, in addition to information such as the model, capacity, manufacturing date, consumable consumption amount, etc. of the consumable cartridge, a verification value of the information is stored to perform data verification.
However, the manufacturing process level of the printing and imaging device and the consumable chip is continuously increased, it is not necessary to store the check values, and the storage of the check values requires additional space, which increases the material cost.
It may be considered that these check values are not stored, but if they are not stored, they cannot be transmitted to the print image forming apparatus, and the consumable chip cannot pass the validity verification of the existing print image forming apparatus. Therefore, there is a need to consider a solution that can reduce costs and can pass the validity verification of the print image forming apparatus.
Disclosure of Invention
In order to reduce cost and pass validity verification of a printing and imaging device, an embodiment of the present invention provides a method for generating a check value of a consumable chip, where the consumable chip is provided with a first target field and a second target field, and the method includes:
receiving and judging whether a reading instruction sent by the printing and imaging equipment points to the first target field or the second target field;
if yes, acquiring the states of the mark information related to the first target field and the second target field;
when the marking information is in a first state and the reading instruction points to the first target field, or when the marking information is in a second state and the reading instruction points to the second target field, calculating the data of the consumable chip by adopting a preset algorithm to obtain a check value of the current data, and sending the check value to the printing imaging equipment;
when a writing instruction sent by a printing and imaging device is received and points to the first target field, the marking information is set to be in a first state; and when a writing instruction sent by the printing and imaging equipment is received and points to the second target field, setting the mark information to be in a second state.
The invention also provides a consumable chip, which comprises a storage unit, wherein the storage unit is provided with a first target field and a second target field,
the consumable chip further comprises:
the instruction processing module is used for receiving and judging whether a reading instruction sent by the printing and imaging equipment points to the first target field or the second target field;
a state acquisition module for acquiring states of the tag information related to the first target field and the second target field;
the check value calculating module is used for calculating the data of the consumable chip by adopting a preset algorithm to obtain the check value of the current data when the marking information is in a first state and the reading instruction points to the first target field or when the marking information is in a second state and the reading instruction points to the second target field, and sending the check value to the printing and imaging equipment; and
the state changing module is used for setting the mark information to be in a first state when a writing instruction sent by the printing and imaging device is received and points to the first target field; and when a writing instruction sent by the printing and imaging equipment is received and points to the second target field, setting the mark information to be in a second state.
The embodiment of the invention also provides a method for generating the check value of the consumable chip, wherein the consumable chip is provided with a first target field and a second target field, and the method comprises the following steps:
receiving and judging whether a reading instruction sent by the printing and imaging equipment points to the first target field or the second target field;
if yes, acquiring the state of first mark information related to the first target field and the state of second mark information related to the second target field;
when the first marking information is in a current state and the reading instruction points to the first target field, or when the second marking information is in a current state and the reading instruction points to the second target field, calculating the data of the consumable chip by adopting a preset algorithm to obtain a check value of the current data, and sending the check value to the printing imaging equipment;
when a writing instruction sent by the printing and imaging device is received and points to the first target field, the first mark information is set to be in a current state, and the second mark information is set to be in a future state; when receiving that a writing instruction sent by the printing and imaging device points to the second target field, the second mark information is set to be in a current state, and the first mark information is set to be in a future state.
The invention also provides a consumable chip, which comprises a storage unit, wherein the storage unit is provided with a first target field and a second target field,
the consumable chip further comprises:
the instruction processing module is used for receiving and judging whether a reading instruction sent by the printing and imaging equipment points to the first target field or the second target field;
a state acquisition module for acquiring a state of first tag information related to the first target field and a state of second tag information related to the second target field;
the check value calculating module is used for calculating the data of the consumable chip by adopting a preset algorithm to obtain the check value of the current data when the first marking information is in the current state and the reading instruction points to the first target field or when the second marking information is in the current state and the reading instruction points to the second target field, and sending the check value to the printing and imaging equipment; and
the state changing module is used for setting the first mark information to be in a current state and setting the second mark information to be in a future state when a writing instruction sent by the printing and imaging device is received and points to the first target field; when receiving that the writing instruction sent by the printing and imaging device points to the second target field, the second mark information is set to be in a current state, and the first mark information is set to be in a future state.
The invention also provides a consumable box which comprises the consumable chip provided by any embodiment.
According to the consumable chip and the consumable box comprising the consumable chip provided by the embodiment of the invention, the consumable chip does not need to store the check value which needs to be read by the printing imaging equipment, but controls the generation and the transmission of the check value by using the state of the mark information according to the reading characteristic of the printing imaging equipment, so that the cost can be reduced, and the legality of the printing imaging equipment can be verified.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic flow chart of a method for generating a check value according to the present invention;
FIG. 2 is a block diagram illustrating the structure of a consumable chip according to the present invention;
FIG. 3 is a flow chart illustrating another method for generating a check value according to the present invention;
FIG. 4 is a block diagram of another consumable chip according to the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention will be provided with reference to the drawings and examples, so that how to apply the technical means to solve the technical problems and achieve the technical effects can be fully understood and implemented. It should be noted that, as long as there is no conflict, the embodiments and the features of the embodiments of the present invention may be combined with each other, and the technical solutions formed are within the scope of the present invention.
Example one
In order to reduce cost and pass the validity verification of printing imaging equipment, the embodiment of the invention provides a method for generating a check value of a consumable chip. The consumable chip of this embodiment is provided with a first target field and a second target field, where the first target field and the second target field are locations where the printing and imaging device is to write the verification value, and the verification value to be written by the printing and imaging device is related to data to be contained in the consumable chip. For example, before the printing imaging device writes data 7F into the consumable chip, the printing imaging device can calculate the check value of the data of the consumable chip after the data 7F is written into the consumable chip, then write into the first target field or the second target field, write the check value into the target field, and then write the data 7F into the consumable chip, when the data 7F is successfully written into the consumable chip, the check value in a certain target field is related to the current data of the consumable chip, so that the data check effect can be achieved.
A flowchart of the check value generating method of the present embodiment is shown in fig. 1, and specifically includes:
in step S01, the type of the command sent by the print image forming apparatus is received and determined, and the type of the command includes a read command, a write command, a drive-removing command, etc., which are different according to different print image forming apparatuses.
Step S02, when it is determined that the received command is a read command, determining whether the read command points to the first target field or the second target field, specifically, because the read command includes address information, the first target field and the second target field set in the consumable chip also have corresponding addresses, and thus, comparing the two addresses can determine whether the read command points to the first target field or the second target field. In fig. 1, it is assumed that the addresses corresponding to the first target field and the second target field are N and N +1, respectively.
And step S03, when the reading instruction is judged not to point to the first target field or the second target field, namely the address contained in the reading instruction is not N or N +1, reading the data on the consumable chip pointed by the address contained in the reading instruction, and returning the data to the printing and imaging device.
If yes, acquiring the states of the mark information related to the first target field and the second target field; when the marking information is in a first state and the reading instruction points to the first target field, or when the marking information is in a second state and the reading instruction points to the second target field, calculating the data of the consumable chip by adopting a preset algorithm to obtain a check value of the current data, and sending the check value to the printing imaging equipment; if the state of the marking information and the target field pointed by the reading instruction do not meet the two conditions, the printing and imaging equipment generally performs trial and error test on the consumable chip, and the reading instruction can be ignored, or a value different from the current data check value is generated and sent to the printing and imaging equipment.
In particular, the amount of the solvent to be used,
step S04, when the address contained in the reading instruction is judged to be N in step S02, namely the reading instruction points to the first target field, whether the marking information is in the first state is judged, if the marking information is in the first state, the data of the consumable chip is calculated by adopting a preset algorithm to obtain the check value of the current data, and the check value is sent to the printing imaging equipment;
and step S05, when the address contained in the reading instruction is judged to be N +1 in the step S02, namely the reading instruction points to the second target field, judging whether the marking information is in the second state, if the marking information is in the second state, calculating the data of the consumable chip by adopting a preset algorithm to obtain the check value of the current data, and sending the check value to the printing and imaging equipment. And, in a corresponding manner,
in step S06, when it is determined in step S01 that the received command is a write command, it is determined whether the write command points to the first target field or the second target field, specifically, whether an address included in the write command is N or N + 1.
Step S07, when the write command is judged not to point to the first target field or the second target field, namely the address contained in the write command is not N or N +1, writing the data to be written into the consumable chip into the position of the consumable chip pointed by the address contained in the write command;
if yes, when a writing instruction sent by the printing and imaging equipment is received and points to the first target field, the marking information is set to be in a first state; when a writing instruction sent by the printing and imaging equipment is received and points to the second target field, the marking information is set to be in a second state;
in particular, the amount of the solvent to be used,
step S08, when it is determined in step S06 that the address of the instruction included in the write instruction is N, that is, the write instruction points to the first target field, the tag information is updated to the first state;
in step S09, when it is determined in step S06 that the address of the instruction included in the write instruction is N +1, that is, the write instruction points to the second target field, the tag information is updated to the second state.
By the method, the mark information associated with the data is updated when the data is written in the printing imaging equipment, the associated mark information can be found when the printing imaging equipment reads the data, and then the check value used for legality verification of the printing imaging equipment is calculated at a proper time according to the mark information.
Example two
Corresponding to the method for generating the check value of the consumable chip in the first embodiment, the invention further provides a consumable chip, wherein the consumable chip can utilize an internal structure module to execute at least a part of the steps of the check value generation process in the first embodiment, so that the check value used for legality verification of the printing imaging device is calculated according to the mark information on the basis of not storing the check value.
The consumable chip of the present invention is structured as shown in fig. 2, the consumable chip 1 includes a storage unit 101, the storage unit is provided with a first target field and a second target field,
the consumable chip 1 further includes:
an instruction processing module 102, configured to receive and determine whether a read instruction/write instruction sent by the print image forming apparatus points to the first target field or the second target field;
a status acquisition module 103 for acquiring statuses of the tag information related to the first target field and the second target field;
the check value calculating module 104 is configured to calculate, when the tag information is in a first state and the read instruction points to the first target field, or when the tag information is in a second state and the read instruction points to the second target field, a check value of current data by using a preset algorithm for the data of the consumable chip, and send the check value to the printing and imaging device; and
a state changing module 105, configured to set the flag information to a first state when receiving that a write instruction sent by the print image forming apparatus points to the first target field; and when a writing instruction sent by the printing and imaging equipment is received and points to the second target field, setting the mark information to be in a second state.
As will be understood by those skilled in the art, in addition to the above modules, the consumable chip generally includes an interface circuit for receiving and sending commands, a circuit substrate for carrying the above modules, and a sensor and a light-emitting unit which can be selectively arranged according to the functional requirements of the consumable chip.
EXAMPLE III
Similar to the method for generating the verification value of the consumable chip described in the first embodiment, the present invention further provides another method for generating the verification value of the consumable chip, where the consumable chip is provided with a first target field and a second target field, and the first target field and the second target field respectively include two pieces of tag information: the first flag information and the second flag information, the step S11 of determining the remaining instructions, the steps S12 and S16 of determining the addresses of the instructions, and the steps S13 and S17 of reading and writing when the addresses are not in accordance are respectively the same as the steps S01, S02, S06, S03 and S07 described in the first embodiment, and are not described again in detail here.
Similarly to the embodiment, the first flag information and the second flag information respectively have two states, and for the convenience of distinguishing from the flag information of the first embodiment, the two states are named as "current" and "future", respectively, and this naming manner and the specific value of the flag information have no direct relation and are only used for distinguishing different states, for example, if the first flag information is a 1-bit binary number, the binary number may be named as "current" when the binary number is 1, and the binary number may be named as "future" when the binary number is 0.
Another flowchart of a method for generating a check value of a consumable chip according to the present invention is shown in fig. 3, where the consumable chip is provided with a first target field and a second target field, and the method includes:
in step S11, the type of instruction sent by the print image forming apparatus is received and determined.
Step S12, when the received command is determined to be a read command, determining whether the read command points to the first target field or the second target field.
Step S13, when the reading instruction is judged not to point to the first target field or the second target field, reading the data on the consumable chip pointed by the address contained in the reading instruction and returning the data to the printing and imaging device;
if yes, acquiring the state of the mark information related to the pointed field;
when the state of the marking information is current, calculating the data of the consumable chip by adopting a preset algorithm to obtain a check value of the current data, and sending the check value to the printing and imaging equipment;
wherein the first tag information is associated with a first target field and the second tag information is associated with a second target field;
in particular, the amount of the solvent to be used,
step S14, when the address contained in the reading instruction is judged to be N in step S12, namely the reading instruction points to the first target field, whether the first marking information is in the current state is judged, if the marking information is in the current state, a preset algorithm is adopted to calculate the data of the consumable chip to obtain the check value of the current data, and the check value is sent to the printing imaging equipment;
and step S15, when the address contained in the reading instruction is judged to be N +1 in step S12, namely the reading instruction points to the second target field, judging whether the second marking information is in the current state, if the marking information is in the current state, calculating the data of the consumable chip by adopting a preset algorithm to obtain the check value of the current data, and sending the check value to the printing and imaging equipment.
If the states of the first mark information and the second mark information and the target field pointed by the reading instruction do not meet the two conditions, the printing and imaging equipment generally performs trial and error test on the consumable chip, and the reading instruction can be ignored, or a value different from the current data verification value is generated and sent to the printing and imaging equipment.
And, in a corresponding manner,
in step S16, when the received command is determined to be a write command in step S11, it is determined whether the write command points to the first target field or the second target field.
Step S17, when the write command is judged not to point to the first target field or the second target field, writing the data to be written into the consumable chip into the position of the consumable chip pointed by the address contained in the write command;
if yes, when a writing instruction sent by the printing and imaging device is received and points to the first target field, the first mark information is set to be in a current state, and the second mark information is set to be in a future state; when a writing instruction sent by the printing and imaging device is received and points to the second target field, the second mark information is set to be in a current state, and the first mark information is set to be in a future state;
in particular, the amount of the solvent to be used,
step S18, when it is determined in step S16 that the address of the instruction included in the write instruction is N, that is, the write instruction points to the first target field, the first flag information is updated to the "current" state, and the second flag information is updated to the "future" state;
in step S19, when it is determined in step S16 that the address of the instruction included in the write instruction is N +1, that is, the write instruction points to the second target field, the second flag information is updated to the "current" state, and the first flag information is updated to the "future" state.
By the method, two pieces of mark information related to the data are updated when the data are written in the printing imaging equipment, and when the printing imaging equipment reads the data, the related mark information can be found, and then the check value used for legality verification of the printing imaging equipment is calculated at a proper time according to the mark information.
Example four
Corresponding to the method for generating the check value of the other consumable chip described in the third embodiment, the present invention further provides a consumable chip, which has the same structure as the consumable chip described in the second embodiment, except that the functions of the mark information executed by the storage unit 201, the check value calculation module 204, and the state change module 205 are different from those of the corresponding modules of the second embodiment, and are completely the same as those of the consumable chip provided in the second embodiment in the instruction processing module 202, and thus, the description thereof is omitted.
The structure of the consumable chip provided by the present invention is shown in fig. 4, the consumable chip 2 includes a storage unit 201, an instruction processing module 202, a status obtaining module 203, a check value calculating module 204 and a status changing module 205,
wherein,
the storage unit 201 is provided with a first target field and a second target field, and the first target field and the second target field respectively include two pieces of tag information: first label information and second label information;
a state obtaining module 203 for obtaining a state of first tag information related to the first target field and a state of second tag information related to the second target field;
the check value calculating module 204 is configured to calculate, by using a preset algorithm, data of the consumable chip to obtain a check value of current data when the first flag information is in a "current" state and the read instruction points to the first target field, or when the second flag information is in a "current" state and the read instruction points to the second target field, and send the check value to the printing and imaging device; and
a status change module 205, configured to set the first flag information to a "current" status and set the second flag information to a "future" status when receiving that the writing instruction sent by the print image forming apparatus points to the first target field; when receiving that the writing instruction sent by the printing and imaging device points to the second target field, the second mark information is set to be in a current state, and the first mark information is set to be in a future state.
The invention also provides a consumable box which comprises the consumable chip provided by any embodiment.
According to the consumable chip and the consumable box comprising the consumable chip provided by the embodiment of the invention, the consumable chip does not need to store the check value which needs to be read by the printing imaging equipment, and the generation and the sending of the check value are controlled by using the state of the mark information according to the reading characteristic of the printing imaging equipment, so that the cost can be reduced, and the legality of the printing imaging equipment can be verified.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the above method embodiments may be performed by program instructions or associated hardware. The program may be stored in a computer-readable storage medium. When executed, the program performs steps comprising the method embodiments described above; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
Although the embodiments of the present invention have been described above, the above description is only for the convenience of understanding the present invention, and is not intended to limit the present invention. The method of the present invention may have other embodiments, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, and these changes and modifications should fall within the protection scope of the claims of the present invention.
Claims (7)
1. A method for generating a check value of a consumable chip, the consumable chip being provided with a first target field and a second target field, the method comprising:
receiving and judging whether a reading instruction sent by the printing and imaging equipment points to the first target field or the second target field;
if yes, acquiring the states of the mark information related to the first target field and the second target field;
when the marking information is in a first state and the reading instruction points to the first target field, or when the marking information is in a second state and the reading instruction points to the second target field, calculating the data of the consumable chip by adopting a preset algorithm to obtain a check value of the current data, and sending the check value to the printing imaging equipment;
when a writing instruction sent by a printing and imaging device is received and points to the first target field, the marking information is set to be in a first state; and when a writing instruction sent by the printing and imaging equipment is received and points to the second target field, setting the mark information to be in a second state.
2. The method according to claim 1, wherein the determining whether to point to the first target field or the second target field is performed by comparing address information contained in a read instruction and/or a write instruction with addresses corresponding to the first target field and the second target field.
3. A method for generating a check value of a consumable chip, the consumable chip being provided with a first target field and a second target field, the method comprising:
receiving and judging whether a reading instruction sent by the printing and imaging equipment points to the first target field or the second target field;
if yes, acquiring the state of first mark information related to the first target field and the state of second mark information related to the second target field;
when the first marking information is in a current state and the reading instruction points to the first target field, or when the second marking information is in a current state and the reading instruction points to the second target field, calculating the data of the consumable chip by adopting a preset algorithm to obtain a check value of the current data, and sending the check value to the printing imaging equipment;
when a writing instruction sent by the printing and imaging device is received and points to the first target field, the first mark information is set to be in a current state, and the second mark information is set to be in a future state; when receiving that a writing instruction sent by the printing and imaging device points to the second target field, the second mark information is set to be in a current state, and the first mark information is set to be in a future state.
4. The utility model provides a consumable chip, this consumable chip includes the memory cell, is provided with first target field and second target field in the memory cell, its characterized in that, the consumable chip still includes:
the instruction processing module is used for receiving and judging whether a reading instruction sent by the printing and imaging equipment points to the first target field or the second target field;
a state acquisition module for acquiring states of the tag information related to the first target field and the second target field;
the check value calculating module is used for calculating the data of the consumable chip by adopting a preset algorithm to obtain the check value of the current data when the marking information is in a first state and the reading instruction points to the first target field or when the marking information is in a second state and the reading instruction points to the second target field, and sending the check value to the printing and imaging equipment; and
the state changing module is used for setting the mark information to be in a first state when a writing instruction sent by the printing and imaging device is received and points to the first target field; and when a writing instruction sent by the printing and imaging equipment is received and points to the second target field, setting the mark information to be in a second state.
5. The utility model provides a consumable chip, this consumable chip includes the memory cell, is provided with first target field and second target field in the memory cell, its characterized in that, the consumable chip still includes:
the instruction processing module is used for receiving and judging whether a reading instruction sent by the printing and imaging equipment points to the first target field or the second target field;
a state acquisition module for acquiring a state of first tag information related to the first target field and a state of second tag information related to the second target field;
the check value calculating module is used for calculating the data of the consumable chip by adopting a preset algorithm to obtain the check value of the current data when the first marking information is in the current state and the reading instruction points to the first target field or when the second marking information is in the current state and the reading instruction points to the second target field, and sending the check value to the printing and imaging equipment; and
the state changing module is used for setting the first mark information to be in a current state and setting the second mark information to be in a future state when a writing instruction sent by the printing and imaging device is received and points to the first target field; when receiving that the writing instruction sent by the printing and imaging device points to the second target field, the second mark information is set to be in a current state, and the first mark information is set to be in a future state.
6. The consumable chip of claim 5, wherein whether the first target field or the second target field is pointed is determined by comparing address information contained in the read command and/or the write command with addresses corresponding to the first target field and the second target field.
7. A consumable cartridge comprising a consumable chip according to any one of claims 4-6.
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| CN201510664723.6A CN105522826B (en) | 2014-10-16 | 2015-10-14 | Check value production method, consumable chip and the consumption material box including the consumable chip |
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| CN201510664723.6A CN105522826B (en) | 2014-10-16 | 2015-10-14 | Check value production method, consumable chip and the consumption material box including the consumable chip |
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| CN113580772B (en) * | 2021-08-25 | 2023-03-17 | 极海微电子股份有限公司 | Data updating method and consumable chip |
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| CN103921574B (en) * | 2014-01-20 | 2016-06-01 | 珠海艾派克微电子有限公司 | The parameter sending method of imaging box storage chip, storage chip and imaging box |
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