CN107284056A - Consumable chip supervisory circuit and its monitoring method, supervisory circuit plate and printer - Google Patents
Consumable chip supervisory circuit and its monitoring method, supervisory circuit plate and printer Download PDFInfo
- Publication number
- CN107284056A CN107284056A CN201610221379.8A CN201610221379A CN107284056A CN 107284056 A CN107284056 A CN 107284056A CN 201610221379 A CN201610221379 A CN 201610221379A CN 107284056 A CN107284056 A CN 107284056A
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- Prior art keywords
- circuit
- path
- printer
- control circuit
- word car
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
- B41J29/393—Devices for controlling or analysing the entire machine ; Controlling or analysing mechanical parameters involving printing of test patterns
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17503—Ink cartridges
- B41J2/17543—Cartridge presence detection or type identification
- B41J2/17546—Cartridge presence detection or type identification electronically
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
- G06F3/1201—Dedicated interfaces to print systems
- G06F3/1223—Dedicated interfaces to print systems specifically adapted to use a particular technique
- G06F3/1229—Printer resources management or printer maintenance, e.g. device status, power levels
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
- G06F3/1201—Dedicated interfaces to print systems
- G06F3/1278—Dedicated interfaces to print systems specifically adapted to adopt a particular infrastructure
- G06F3/1279—Controller construction, e.g. aspects of the interface hardware
Abstract
The present invention provides a kind of consumable chip supervisory circuit and its monitoring method, supervisory circuit plate and printer.The printer setup has supervisory circuit plate, supervisory circuit plate includes consumable chip supervisory circuit, consumable chip supervisory circuit includes miniature control circuit and signal interference circuit, miniature control circuit obtains the chip information data that word car control circuit is sent to printer governor circuit, and miniature control circuit sends control signal to signal interference circuit；Signal interference circuit includes the first path and alternate path, the first path and alternate path electrical connection；First path receives the major control data that printer governor circuit is sent, and the first path sends major control data to word car control circuit；First path receives the chip information data that word car control circuit is sent, and the first path sends chip information data to printer governor circuit.The present invention can prevent printer from being caused damage using non-original-pack consumable chip, and then ensure the service life of printer.
Description
Technical field
The present invention relates to printer field, specifically, being related to a kind of consumable chip supervisory circuit and its monitoring method applied to printer, circuit board and printer using the circuit are further related to.
Background technology
Printer provides great convenience as common office equipment for modern office.Existing printer is divided into ink-jet printer and laser printer, and ink-jet printer needs the word or pattern of printing using the print cartridge for accommodating ink as consumable container to paper jet ink to be formed on paper.
As shown in figure 1, part ink-jet printer, which is provided with movement and word car, movement, is provided with printer control circuit 1, printer is additionally provided with a slide bar, and word car can be moved back and forth along slide bar, to complete the operation of printing.The circuit board of word car controls circuit 2 provided with word car, in order that word car can have certain scope of activities, word car control circuit 2 is communicated by the soft arranging wire of certain length with printer control circuit 1.
The ink that different colours are accommodated in multiple print cartridges, different print cartridges is removably installed on word car.Print cartridge consumable chip 3 is installed, print cartridge consumable chip 3 is electrically connected with the circuit board of word car on the outer wall of cartridge case.Print cartridge consumable chip 3 is stored with the information related to print cartridge, including variable information and fixed information, variable information is the information that can be continually changing with printing, such as ink surplus, printing duration, print paper quantity information, fixed information is the information that will not change with printing, such as cartridge model, applicable printer model, ink color.
Print cartridge is installed to after the word car of printer, and ink-jet printer controls circuit 2 to electricity on print cartridge consumable chip 3 by word car, and reads the data being stored in print cartridge consumable chip 3, judge cartridge model whether properly, in print cartridge residual ink amount whether abundance etc..Only judge that cartridge model is suitable and have in print cartridge after the ink of abundance, ink-jet printer could perform print job.
In printer industry, the expense of purchase printer is disposable, and consumptive material used in printer is with using needing not stop purchase.And printing consumables is different because of species, price is there is also variant, therefore many users can buy non-original-pack printing consumables to reduce expense.But non-original-pack printing consumables is used in printer, there is certain infringement to printing chance, reduce the service life of printer.
The content of the invention
An object of the present disclosure be to provide it is a kind of can obtain consumable chip data and verify consumable chip whether be original-pack consumable chip consumable chip supervisory circuit.
The second object of the present invention is to provide a kind of supervisory circuit plate that can facilitate and be connected and use with printer main control board.
The third object of the present invention is to provide a kind of printer that can prevent non-original-pack consumable chip from accessing.
The fourth object of the present invention is to provide a kind of monitoring method for the consumable chip supervisory circuit that can detect consumable chip model in printer.
In order to realize above-mentioned first purpose, the consumable chip supervisory circuit that the present invention is provided, including miniature control circuit and signal interference circuit, miniature control circuit obtains the chip information data that word car control circuit is sent to printer governor circuit, and miniature control circuit sends control signal to signal interference circuit；Signal interference circuit includes the first path and alternate path, the first path and alternate path electrical connection；First path receives the major control data that printer governor circuit is sent, and the first path sends major control data to word car control circuit；First path receives the chip information data that word car control circuit is sent, and the first path sends chip information data to printer governor circuit；Alternate path includes a switch element, and switch element receives the control signal that miniature control circuit is sent to signal interference circuit, the conducting of control signal controlling switch element；Switch element is electrically connected with the first path.It is preferred that, switch element is transistor.
From such scheme, the consumable chip supervisory circuit of the present invention is by testing and analyzing the chip information data that consumable chip is returned to printer governor circuit, whether judge the consumable chip is original-pack chip, according to judged result, communication between printing owner control circuit and word car control circuit is disturbed, make the transmission of chip information data abnormal, the prompting for changing printing consumable chip so that printer is stopped and made.
In one scheme, consumable chip supervisory circuit also includes printer governor circuit interface and word car control circuit interface, and the first path is connected by printer governor circuit interface with printer governor circuit；First path controls circuit interface to control circuit to be connected with word car by word car.
As can be seen here, printer governor circuit interface and word car control circuit interface are set in consumable chip supervisory circuit so that consumable chip supervisory circuit can be communicated with printer governor circuit and word car control circuit, and obtain data.
In order to realize above-mentioned second purpose, the supervisory circuit plate that the present invention is provided, including consumable chip supervisory circuit, consumable chip supervisory circuit includes miniature control circuit and signal interference circuit, miniature control circuit obtains the chip information data that word car control circuit is sent to printer governor circuit, and miniature control circuit sends control signal to signal interference circuit；Signal interference circuit includes the first path and alternate path, the first path and alternate path electrical connection；First path receives the major control data that printer governor circuit is sent, and the first path sends major control data to word car control circuit；First path receives the chip information data that word car control circuit is sent, and the first path sends chip information data to printer governor circuit；Alternate path includes a switch element, and switch element receives the control signal that miniature control circuit is sent to signal interference circuit, the conducting of control signal controlling switch element；Switch element is electrically connected with the first path.Consumable chip supervisory circuit also includes printer governor circuit interface and word car control circuit interface, and the first path is connected by printer governor circuit interface with printer governor circuit；First path controls circuit interface to control circuit to be connected with word car by word car.
From such scheme, the supervisory circuit plate of the present invention is by setting consumable chip supervisory circuit, consumable chip is monitored, simultaneously, printer governor circuit interface and word car control circuit interface are set on circuit boards so that supervisory circuit plate can be quickly connected with printer governor circuit and word car control circuit.
In order to realize above-mentioned 3rd purpose, the printer setup that the present invention is provided has supervisory circuit plate, supervisory circuit plate includes consumable chip supervisory circuit, consumable chip supervisory circuit includes miniature control circuit and signal interference circuit, miniature control circuit obtains the chip information data that word car control circuit is sent to printer governor circuit, and miniature control circuit sends control signal to signal interference circuit；Signal interference circuit includes the first path and alternate path, the first path and alternate path electrical connection；First path receives the major control data that printer governor circuit is sent, and the first path sends major control data to word car control circuit；First path receives the chip information data that word car control circuit is sent, and the first path sends chip information data to printer governor circuit；Alternate path includes a switch element, and switch element receives the control signal that miniature control circuit is sent to signal interference circuit, the conducting of control signal controlling switch element；Switch element is electrically connected with the first path.
From such scheme, supervisory circuit plate is set in printer, non-original-pack consumable chip can be forbidden to use, prevent printer from being caused damage using non-original-pack consumable chip, and then ensure the service life of printer.
In order to realize above-mentioned 4th purpose, the monitoring method for the consumable chip supervisory circuit that the present invention is provided, consumable chip supervisory circuit includes miniature control circuit and signal interference circuit, miniature control circuit sends control signal to signal interference circuit, and signal interference circuit is electrically connected with printer governor circuit and word car control circuit respectively；Monitoring method includes miniature control circuit and obtains the chip information data that word car control circuit is sent to printer governor circuit；Miniature control circuit analysis chip information data simultaneously determines whether original-pack company-information data or the information data of the producer specified, if not, miniature control circuit sends control signal；Signal interference circuit disconnects the communication between word car control circuit and printer governor circuit according to control signal.
From such scheme, the monitoring method of the present invention can control the chip information data of communication data acquisition consumable chip between circuit and printer governor circuit by word car, and control the communication between circuit and printer governor circuit to disturb in word car according to the analysis result of chip information data, to reach the purpose for prohibitting the use of non-original-pack consumable chip or specified producer's chip.
Brief description of the drawings
Fig. 1 is electrical schematic diagram of the existing printer to print cartridge consumable chip transmitting and receiving data.
Fig. 2 is electrical schematic diagram of the printer embodiment printer of the present invention to consumable chip transmitting and receiving data.
Fig. 3 is the circuit expanded view of signal interference circuit in invention printer embodiment.
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment
As shown in Figure 2, the printer of the present invention includes printer governor circuit 11 and word car control circuit 17, printer governor circuit 11 is arranged in printer, it is the core control portions of printer, word car control circuit 17 is arranged on printing word car, slided with the round slip of printing word car, and word car control circuit 17 is also contacted with consumable chip, and the data communication between consumable chip and printer governor circuit 11 needs to control the transmission of circuit 17 by word car.
Consumable chip supervisory circuit 12 is provided with the telecommunication circuit of printer governor circuit 11 and word car control circuit 17, the model for monitoring consumable chip also monitors the communication data between consumable chip and printer.Monitoring consumable chip supervisory circuit 12 includes signal interference circuit 14 and miniature control circuit 15, miniature control circuit 15 obtains the chip information data that word car control circuit 17 is sent to printer governor circuit 11, and chip information data are analyzed, according to analysis result, miniature control circuit 15 sends control signal to signal interference circuit 14, and the transmission of the interference printer of circuit 14 governor circuit 11 and the word car control communication data of circuit 17 is disturbed to control signal.
Referring to Fig. 3, signal interference circuit 14 includes the first path 141 and alternate path 142, and the first path 141 and alternate path 142 are electrically connected.Consumable chip supervisory circuit 12 also includes printer governor circuit interface 13 and word car control circuit interface 16.First path 141 is connected by printer governor circuit interface 13 with printer governor circuit 11, and the first path 141 receives the major control data that printer governor circuit 11 is sent, and sends major control data to word car control circuit 17.First path 141 controls circuit interface 16 to control circuit 17 to be connected with word car by word car, and the first path 141 receives the chip information data that word car control circuit 17 is sent, and sends chip information data to printer governor circuit 11.Alternate path 142 includes a switch element, and switch element receives the control signal that miniature control circuit 15 is sent to signal interference circuit 14, the conducting of control signal controlling switch element；Switch element is electrically connected with the first path 141.In the present embodiment, switch element is transistor Q1.In addition, being provided with resistance R1 in the first path 141, resistance R1 two ends are electrically connected with governor circuit interface 13 and word car control circuit interface 16 respectively.Alternate path 142 is provided with resistance R2, resistance R2 two ends are electrically connected with transistor Q1 base stage and miniature control circuit 15 respectively, meanwhile, transistor Q1 colelctor electrode is electrically connected with the path between resistance R1 and word car control circuit interface 16, transistor Q1 grounded emitter.
When consumable chip supervisory circuit 12 works, miniature control circuit 15 obtains the chip information data that word car control circuit 17 is sent to printer governor circuit 11, then, the analysis chip information data of miniature control circuit 15 simultaneously determines whether original-pack company-information data or the information data of the producer specified, and miniature control circuit 15 determines whether to send control signal to signal interference circuit 14 according to judged result.If miniature control circuit 15 judges that chip information data are not original-pack company-information data or the information data of the producer specified, then miniature control circuit 15 sends control signal to signal interference circuit 14, and signal interference circuit 15 disconnects the communication between word car control circuit 17 and printer governor circuit 11 according to control signal.
In the case of normal work, printer governor circuit 11 and the word car control circuit 17 of ink-jet printer are to realize two-way communication by a spi bus.After being put into print cartridge in word car, printer governor circuit 11 accesses consumable chips all in word car by the spi bus timesharing, to obtain the information data of chip.Therefore, consumable chip supervisory circuit 12 is added in the spi bus path, you can obtain the data communicated between printer governor circuit 11 controls circuit 17 with word car.The instruction that printer governor circuit 11 accesses word car control circuit 17 itself and access consumable chip is different, and the instruction of access consumable chip divides the instruction of reading chip and writes chip instruction again, consumable chip supervisory circuit 12, which need to recognize that reading chip is instructed, can obtain whether printer governor circuit 11 is reading the information data of consumable chip.
After the reading chip instruction of consumable chip response printer governor circuit 11, can by spi bus to printer governor circuit 11 return chip information data, the date of production of the chip information data including consumable chip, last installed date, capacity, company-information etc., consumable chip supervisory circuit 12 need to analyze the related several byte datas of company-information, it is possible to know currently used consumable chip whether be original-pack chip or specified manufacturer production chip.
If consumable chip supervisory circuit 12 analyzes the chip that consumable chip produces for original-pack chip or particular vendors, spi bus is not disturbed, printer governor circuit 11 realizes that normal two-way spi bus communicates with word car control circuit 17.If consumable chip supervisory circuit 12 analyzes the chip that consumable chip is not original-pack chip or specified producer, the signal of interference spi bus can then be produced, the data for returning to consumable chip are abnormal, when printer governor circuit 11 receives abnormal chip data, printer can signal an alert, computer monitoring software can also point out print cartridge mistake the information such as please change.
The main signal of spi bus includes chip selection signal CS, clock signal clk, data DATA, according to above-mentioned method, when consumable chip supervisory circuit 12 produces interference signal, any of chip selection signal CS, clock signal clk or data DATA or multi-signal are disturbed.
Exemplified by disturbing clock signal clk signal, clock signal clk is the control signal that printer governor circuit 11 controls that circuit 17 is exported to word car, and the operating clock signals of circuit 17 are controlled for control word car.When miniature control circuit 15, which is received, beats the company-information data of consumable chip for non-original-pack company-information data or the information data of the producer specified, miniature control circuit 15 sends interference control signal to signal interference circuit 14, high level signal is exported to transistor Q1 base stage by resistance R2, so that transistor Q1 is turned on, clock signal clk is grounded after transistor Q1 conductings, so that word car control circuit 17 does not receive clock signal clk, word car control circuit 17 then stops returning to chip data to printer governor circuit 11, i.e. printer governor circuit 11 cannot get the data that chip is returned.Multiple clock signal clk is sent after cannot responding, and printer then judges that chip is problematic, points out to change print cartridge.
The consumable chip supervisory circuit 12 of the present invention can be individually integrated on one block of supervisory circuit plate, can also be integrated in printer governor circuit 11 in one piece of circuit board.
From the above, the consumable chip supervisory circuit 12 of the present invention is by testing and analyzing the chip information data that consumable chip is returned to printer governor circuit 11, whether judge the consumable chip is original-pack chip, according to judged result, communication between printing owner control circuit and word car control circuit is disturbed, make the transmission of chip information data abnormal, the prompting for changing consumable chip so that printer is stopped and made.
It should be noted that the preferred embodiments of the present invention are these are only, but the design concept of invention is not limited thereto, all insubstantial modifications made using this design to the present invention, is also each fallen within protection scope of the present invention.
Claims (10)
1. consumable chip supervisory circuit, it is characterised in that：Including miniature control circuit and signal interference circuit, the miniature control circuit obtains the chip information data that word car control circuit is sent to printer governor circuit, and the miniature control circuit sends control signal to the signal interference circuit；
The signal interference circuit includes the first path and alternate path, the first path and the alternate path electrical connection；
First path receives the major control data that the printer governor circuit is sent, and first path sends the major control data to word car control circuit；
First path receives the chip information data that the word car control circuit is sent, and first path sends the chip information data to the printer governor circuit；
The alternate path includes a switch element, and the switch element receives the control signal that the miniature control circuit is sent to the signal interference circuit, and the control signal controls the conducting of the switch element；
The switch element is electrically connected with first path.
2. consumable chip supervisory circuit according to claim 1, it is characterised in that：The consumable chip supervisory circuit also includes printer governor circuit interface and word car control circuit interface, and first path is connected by the printer governor circuit interface with the printer governor circuit；First path controls circuit interface to control circuit to be connected with the word car by the word car.
3. consumable chip supervisory circuit according to claim 1 or 2, it is characterised in that：The switch element is transistor.
4. supervisory circuit plate, including consumable chip supervisory circuit, it is characterised in that：The consumable chip supervisory circuit includes miniature control circuit and signal interference circuit, the miniature control circuit obtains the chip information data that word car control circuit is sent to printer governor circuit, and the miniature control circuit sends control signal to the signal interference circuit；
The signal interference circuit includes the first path and alternate path, the first path and the alternate path electrical connection；
First path receives the major control data that the printer governor circuit is sent, and first path sends the major control data to word car control circuit；
First path receives the chip information data that the word car control circuit is sent, and first path sends the chip information data to the printer governor circuit；
The alternate path includes a switch element, and the switch element receives the control signal that the miniature control circuit is sent to the signal interference circuit, and the control signal controls the conducting of the switch element；
The switch element is electrically connected with first path.
5. supervisory circuit plate according to claim 4, it is characterised in that：The consumable chip supervisory circuit also includes printer governor circuit interface and word car control circuit interface, and first path is connected by the printer governor circuit interface with the printer governor circuit；First path controls circuit interface to control circuit to be connected with the word car by the word car.
6. the supervisory circuit plate according to claim 4 or 5, it is characterised in that：The switch element is transistor.
7. printer, is provided with supervisory circuit plate, the supervisory circuit plate includes consumable chip supervisory circuit, it is characterised in that：The consumable chip supervisory circuit includes miniature control circuit and signal interference circuit, the miniature control circuit obtains the chip information data that word car control circuit is sent to printer governor circuit, and the miniature control circuit sends control signal to the signal interference circuit；
The signal interference circuit includes the first path and alternate path, the first path and the alternate path electrical connection；
First path receives the major control data that the printer governor circuit is sent, and first path sends the major control data to word car control circuit；
First path receives the chip information data that the word car control circuit is sent, and first path sends the chip information data to the printer governor circuit；
The alternate path includes a switch element, and the switch element receives the control signal that the miniature control circuit is sent to the signal interference circuit, and the control signal controls the conducting of the switch element；
The switch element is electrically connected with first path.
8. printer according to claim 7, it is characterised in that：The consumable chip supervisory circuit also includes printer governor circuit interface and word car control circuit interface, and first path is connected by the printer governor circuit interface with the printer governor circuit；First path controls circuit interface to control circuit to be connected with the word car by the word car.
9. the printer according to claim 7 or 8, it is characterised in that：The switch element is transistor.
10. the monitoring method of consumable chip supervisory circuit, the consumable chip supervisory circuit includes miniature control circuit and signal interference circuit, the miniature control circuit sends control signal to the signal interference circuit, and the signal interference circuit is electrically connected with printer governor circuit and word car control circuit respectively；
It is characterized in that：The monitoring method includes
The miniature control circuit obtains the chip information data that the word car control circuit is sent to the printer governor circuit；
The miniature control circuit analyzes the chip information data and determines whether original-pack company-information data or the information data of the producer specified, if not, the miniature control circuit sends the control signal；
The signal interference circuit disconnects the communication between the word car control circuit and the printer governor circuit according to the control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610221379.8A CN107284056B (en) | 2016-04-11 | 2016-04-11 | Consumable chip monitors circuit and its monitoring method, monitoring circuit board and printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610221379.8A CN107284056B (en) | 2016-04-11 | 2016-04-11 | Consumable chip monitors circuit and its monitoring method, monitoring circuit board and printer |
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| Publication Number | Publication Date |
|---|---|
| CN107284056A true CN107284056A (en) | 2017-10-24 |
| CN107284056B CN107284056B (en) | 2019-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610221379.8A Active CN107284056B (en) | 2016-04-11 | 2016-04-11 | Consumable chip monitors circuit and its monitoring method, monitoring circuit board and printer |
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| CN112590403A (en) * | 2020-12-14 | 2021-04-02 | 山东华菱电子股份有限公司 | Thermal printing head and printing equipment |
| CN114083913A (en) * | 2021-11-02 | 2022-02-25 | 珠海艾派克微电子有限公司 | Chip, consumable box and data transmission method |
| CN114953787A (en) * | 2021-11-12 | 2022-08-30 | 珠海艾派克微电子有限公司 | Chip, device and data transmission method |
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| CN114953787A (en) * | 2021-11-12 | 2022-08-30 | 珠海艾派克微电子有限公司 | Chip, device and data transmission method |
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