TWI648633B - A real time lateral recording circuit for a printer, method, and non-transitory computer readable storage medium - Google Patents

Abstract

The invention provides an instant recording circuit of a printer chip, comprising one or more original chips and one or more compatible chips, and a serial data bus (SDA) and a serial arrangement arranged in parallel at the printer end. On the clock bus (SCL). Wherein, the compatible chip returns an error message to the printer end when receiving the authentication command of the printer end inquiry, and starts the side recording module to record the authentication command of the printer end inquiry and The response value returned by the original wafer is verified by the printer for re-answering the compatible wafer.

Description

Instant side recording circuit, method, and non-transitory computer readable recording medium for printer chip

The invention relates to an instant recording circuit and method for a printer chip, and a non-transitory computer readable recording medium, in particular to an instant side recording circuit for a printer toner cartridge or other similar consumables. , methods, and non-transitory computers can read recording media.

The printer's communication protocol covers a variety of known or unknown protocols, including I2C (Inter-Integrated Circuit) protocol, UART (Universal Asynchronous Receiver/Transmitter) protocol, SPI protocol, and wide-narrow-ratio communication. Protocols, etc., all of which use one or more clock lines (CLK) and one or more data lines (SDA) to transmit signals to cooperate with a single or multiple master and slave devices to complete data transmission. .

Printers correspond to wafer commands and are generally divided into two categories, one of which is an encrypted authentication command and the other is a command to read and write internal data. In the market, in order to maintain the profits of the company, printer manufacturers will often use the certification order in the order to exclude users from using the factory chips. The certification order is sent by the printer. The title of the wafer, in order to correctly answer the answer, the printer will continue to read the wafer. In order to crack these encryption operations, it takes a lot of time and manpower to conduct research and analysis. Some authentication commands cannot be executed by compatible chips, or they must be devastated by considerable resources, resulting in consumables being reusable, and compatible consumable manufacturers cannot produce universal consumables, allowing printer manufacturers to monopolize the market. Restricting competition in competition, causing consumers to choose other consumables that are more in line with their own needs.

The main object of the present invention is to solve the problem that the conventional compatible chip cannot process and execute the authentication command.

In order to achieve the above object, the present invention provides an instant recording circuit for a printer chip, comprising one or a plurality of original wafers and one or more compatible wafers, and a serial data bus (SDA) arranged in parallel at the printer end. And the serial clock bus (SCL), wherein the compatible chip returns an error message to the printer end when receiving the authentication command of the printer end inquiry, and starts the side recording mode The group records the authentication command of the printer end inquiry and the response value returned by the original wafer for verification when the printer end queries the compatible wafer again.

Further, the compatible chip has a storage unit for storing the authentication command and the response value.

Further, the compatible chip is configured to store the authentication command and the response value into a look-up table in the storage unit.

Another object of the present invention is to provide an instant side recording method for a printer chip, comprising: receiving an authentication command of the printer end inquiry; Returning an error message to the printer; and verifying the printer's authentication command via the serial data bus (SDA) and the serial clock bus (SCL) and the original wafer The response value returned.

Further, the instant recording method of the printer chip includes the authentication command of the inquiry and the response value returned by the original wafer as a lookup table and stored in a storage unit.

Further, when receiving the authentication command of the printer, the corresponding response value is searched according to the lookup table and sent back to the printer.

Another object of the present invention is to provide a non-transitory computer readable recording medium for storing a program and for loading the program by the processor to perform the method as described above.

Therefore, in addition to the command of the compatible chip portion of the present invention, the command that cannot be performed can be used as a response value by reading the authentication command and the response value when the original wafer is read by the printer terminal for re-verification. This can greatly reduce the time and labor costs required to develop compatible wafers.

100‧‧‧ Instant side recording circuit

10‧‧‧Toner

12‧‧‧Original wafer

11‧‧‧Compatible wafer

111‧‧‧Microprocessor

112‧‧‧storage unit

11A‧‧‧ verification module

11B‧‧‧Side recording module

20‧‧‧Printer end

Step S01-Step S04

FIG. 1 is a block diagram (1) of an instant side recording circuit of the printer of the present invention.

2 is a block diagram (2) of the instant side recording circuit of the printer of the present invention.

FIG. 3 is a schematic flow chart of the instant side recording method of the printer of the present invention.

The detailed description and technical contents of the present invention will now be described with reference to the drawings. In addition, the drawings in the present invention are for convenience of description, and the ratios thereof are not necessarily drawn to actual scales, and the drawings and their proportions are not intended to limit the scope of the present invention, and are described herein.

The clock line and the data line described in the present invention are not limited to one. Any expansion or increase of the number of clock lines and data lines is within the scope of the present invention.

Hereinafter, a preferred embodiment of the present invention will be described. Please refer to "FIG. 1" and "FIG. 2" as a block diagram (1) and block diagram (2) of the instant recording circuit of the printer chip of the present invention. As shown in the figure, the present invention provides a printing. The instant skimming circuit 100 of the watch machine is mounted on the toner cartridge 10 of the printer end 20 or other similar consumables, and is mounted on the printer end 20 with the printer end 20 when the toner cartridge 10 is mounted on the printer end 20 The bus bar constitutes an instant side recording circuit. The instant-side recording circuit 100 mainly includes one or a plurality of original wafers 12 and one or more compatible wafers 11, and a serial data bus (SDA) and a serial clock set in parallel at the printer terminal 20. On the bus (SCL). Here, the drawings in the present invention disclose that the number of the original wafers 12 is three, but the number is not the range as intended by the present invention. The instant-side recording circuit 100 in the present invention can be applied to an integrated circuit (I ² C), a Universal Asynchronous Receiver/Transmitter (UART), and a serial peripheral interface. (Serial Peripheral Interface Bus, SPI), wide-band signal modulation, or other similar communication protocol, which is not limited in the present invention.

As shown in FIG. 2, the compatible chip 11 mainly includes a microprocessor 111 (MCU) and a storage unit 112. The storage unit 112 is used to store a program and is loaded and executed by the microprocessor 111. In a preferred embodiment, the microprocessor 111 and the storage unit 112 can be implemented as a processor, which is not limited in the present invention.

The compatible chip 11 has a verification module 11A and a side recording module 11B. The verification module 11A and the side recording module 11B can be respectively implemented by independent chips or processors, or as in the embodiment. The program is directly written into the storage unit 112 and accessed and executed by the microprocessor 111, which is not limited in the present invention.

The verification module 11A is configured to receive and recognize an authentication command of the printer terminal 20 and respond to the authentication command. When the compatible chip 11 receives the authentication command for the printer terminal 20 to query, the verification module 11A pre-determines whether the authentication command can respond, and if the authentication command is responsive (ie, the authentication command) According to the current lookup table or the database can be processed, the verification module 11A directly responds to the authentication command return value to the printer terminal 20; when the verification module 11A cannot process the authentication command, the verification The module 11A reports an error message to the printer terminal 20. When the verification module 11A determines that the authentication command is unreadable, the compatible chip 11 will activate the side recording module 11B to record the authentication command that the printer terminal 20 answers and the response value returned by the original wafer 12. The records are stored in the storage unit 112. When the printer terminal 20 queries the compatible chip 11 again, the verification module 11A will find an appropriate response value according to the content of the authentication command. Response value as Its own response value is transmitted to the printer terminal 20 for verification.

In a preferred embodiment, the compatible chip 11 directly generates the authentication command and the response value obtained by the side recording module 11B into a look-up table and stores it in the storage unit 112. When the group 11A receives the authentication command again, the authentication command is used as an index to search for the corresponding response value, and the response value is returned to the printer terminal 20.

The following is a description of the instant side recording method of the printer chip of the present invention. Please refer to FIG. 3, which is a schematic flow chart of the instant side recording method of the printer chip of the present invention, as shown in the figure: The skimming method can be implemented on one or more compatible wafers 11 that are co-parallel to one or more of the original wafers 12 to the busbars of the printer end 20. The instant side recording method of the present invention is as follows: the compatible chip 11 receives the authentication command queried by the printer terminal 20, and confirms whether the authentication command can respond (step S01); when the compatible chip 11 confirms that the authentication command can respond, The corresponding response value is returned to the printer terminal 20 for verification (step S02); when the compatible wafer 11 confirms that the authentication command cannot be processed, the compatible chip 11 reports an error message to the printer terminal 20 ( Step S03); at this time, according to the operation logic of the printer end 20, the printer end 20 sequentially transmits the same authentication command to the second original wafer, the third original wafer, and the fourth original wafer (other The original wafer 12) and the like (as shown in FIG. 2), at this time, the compatible wafer 11 can be recorded via the serial data bus (SDA) and the serial clock bus (SCL) side. The printer terminal 20 queries the authentication command and the response value returned by the original chip 12, and the authentication command of the inquiry and the response value returned by the original wafer 12 are stored in a lookup table and stored in the storage. The unit 112 is inside (step S04). Thereby, when the printer terminal 20 again proposes the same authentication command, the compatible chip 11 can search for the corresponding response value according to the lookup table and send it back to the printer terminal 20.

The instant side recording method provided by the present invention can also be implemented as a program and stored in a non-transitory computer readable recording medium, and is executed by the processor to execute the method as described above. The non-transitory computer readable recording medium includes, for example, magnetic media such as a hard disk, a flexible disk, a magnetic tape, optical media such as CD-ROMs and DVDs, and magneto-optical media such as a soft magnetic disk; Devices, such as ROMs, RAMs; and flash memory that is specifically configured to store and execute program instructions. In addition, the non-transitory computer readable recording medium may be a transmission medium for transmitting signals, wherein the program instructions and data structures are designed. The program instructions may include: a machine language code edited by the compiler, and a high-level language code executed by a computer using the translator.

In summary, the command of the compatible chip portion of the present invention can respond in response to the compatible chip itself, and the unmanageable command is responded to when the printer reads the original wafer and reads the authentication command and the response value for re-verification. The value, by which the time and labor costs required to develop a compatible wafer can be greatly reduced.

The present invention has been described in detail above, but the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Changes and modifications should still be The patents of the invention are covered.

Claims (7)

An instant recording circuit for a printer chip, comprising one or more original chips and one or more compatible chips, and a serial data bus (SDA) and a serial clock bus arranged in parallel at the printer end ( SCL), wherein the compatible chip returns an error message to the printer end when receiving the authentication command of the printer end inquiry, and starts the side recording module to record the printer end inquiry The authentication command and the response value returned by the original wafer are verified by the printer for re-answering the compatible wafer. The instant recording circuit of the printer chip of claim 1, wherein the compatible chip has a storage unit for storing the authentication command and the response value. The instant-side recording circuit of the printer chip of claim 2, wherein the compatible chip is configured to store the authentication command and the response value in a look-up table in the storage unit. . An instant recording method for a printer chip, comprising: receiving an authentication command of a printer end inquiry; when unable to process, reporting an error message to the printer end; and via a serial data bus (SDA) and The serial clock bus (SCL) side records the authentication command of the printer end and the response value returned by the original chip. The method of instant recording of the printer chip according to claim 4, further comprising the verification command of the inquiry and the response value returned by the original wafer as a lookup table and stored in a Inside the storage unit. The instant side recording method of the printer chip according to claim 5, when receiving the authentication command of the printer end, searching for the corresponding response value according to the lookup table and sending it back to the printer Machine side. A non-transitory computer readable recording medium for storing a program and for loading the program by the processor, the method of any one of claims 4 to 6.