CN103701505A - NFC (Near Field Communication) device - Google Patents
NFC (Near Field Communication) device Download PDFInfo
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- CN103701505A CN103701505A CN201310446085.1A CN201310446085A CN103701505A CN 103701505 A CN103701505 A CN 103701505A CN 201310446085 A CN201310446085 A CN 201310446085A CN 103701505 A CN103701505 A CN 103701505A
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Abstract
The invention provides an NFC (Near Field Communication) device. The NFC device is connected with external host equipment and comprises a microprocessor, an NFC controller, an antenna and a matching circuit, wherein the microprocessor comprises an interface, an NFC protocol stack module and an NFC management module; the host equipment is connected with the NFC device through the interface; the host equipment and the NFC device transmit interface instructions through the interface; the NFC protocol stack module is used for implementing NFC services; the NFC management module is used for resolving the interface instructions and controlling the NFC protocol stack module to execute the NFC services according to the interface instructions; the NFC controller is respectively connected with the microprocessor, the antenna and the matching circuit; the antenna and the matching circuit are used for performing near field communication with the external NFC equipment.
Description
Technical field
The present invention relates to NFC(Near Field Communication, wireless near field communication) technical field, relate in particular to a kind of NFC device of the NFC of lift-launch protocol stack.
Background technology
NFC technology Shi You PHILIPS Co. and Sony joint development.NFC is a kind of contactless identification and interconnection technique, can carry out wireless near field communication at mobile device, consumer electronics product, computer and smart control Tool Room.In order to promote the development of NFC and to popularize, industry has created a non-profit-making normal structure---NFC Forum, for promoting enforcement and the standardization of NFC technology, guarantees cooperative cooperating between equipment and service.
Along with the development of the short distance wireless communication technology, increasing mobile phone has been supported the function of NFC, and can operate in reader/writer mode, and point-to-point mode, under these three kinds of patterns of snap gauge simulation models.NFC controller chip and radio-frequency antenna peripheral circuit in current NFC mobile phone, have all been comprised, NFC protocol stack sofeware, NFC application framework and application program.NFC controller chip and radio-frequency antenna peripheral circuit, be positioned at the orlop of whole software and hardware system, complete the communication in radio frequency aspect, the communication interface of the comparatively low level of standardization body's definition is provided, as HCI(Host Controller Interface, HCI) interface, NCI(NFC Controller Interface, NFC control unit interface) interface etc.NFC protocol stack sofeware operates in mobile phone host CPU (Central Processing Unit, central processing unit) on, the interface providing by NFC controller chip is communicated by letter with it, realize read write line, point-to-point, the snap gauge of NFC Forum standardization body definition and intend this three agreements that kind pattern is required, between mobile phone, can carry out alternately based on NFC guaranteeing.NFC application framework and application program, from the angle of software architecture, operate on NFC protocol stack sofeware, completes concrete as Card Reader, to write card, the customer service based on NFC such as exchange visiting cards.
Although the integrated protocol stack sofeware that enters NFC in mobile phone, but the main process equipment for other a lot of non-mobile phones, as printer, router, camera etc., as possessed NFC function, except NFC controller chip is placed in main process equipment, also need to realize the NFC protocol stack sofeware with institute of NFC-forum standardization body definition standard, and the design and optimization of NFC antenna.
Realize and test by these defined standards of NFC-forum standardization body, its workload is huge, for these equipment vendors, can not bear; Simultaneously the design and optimization of radio-frequency antenna is also comparatively consuming time and have certain technical difficulty.
In summary, obviously there is inconvenience and defect in prior art in actual use, so be necessary to be improved.
Summary of the invention
For above-mentioned defect, the object of the present invention is to provide a kind of NFC device, after described NFC device is connected with the device Host that does not possess NFC function, between described device Host and described NFC device, by transmitting-receiving interface instruction, can realize various NFC functions.
To achieve these goals, the invention provides a kind of NFC device, described NFC device is connected with outside main process equipment, and described NFC device comprises microprocessor, NFC controller, antenna and match circuit;
Described microprocessor comprises:
Interface, described main process equipment is connected with described NFC device by described interface, and described main process equipment and described NFC device are by the instruction of described interface coffret;
NFC protocol stack module, for realizing NFC business;
NFC administration module, for resolving described interface instruction, and controls described NFC protocol stack module according to described interface instruction and carries out described NFC business;
Described NFC controller is connected with described antenna and match circuit with described microprocessor respectively;
Described antenna and match circuit, carry out near-field communication for the NFC equipment with outside.
According to NFC device of the present invention, mode of operation corresponding to described NFC business that described NFC protocol stack module is realized comprises reader/writer mode, point-to-point mode or snap gauge simulation models.
According to NFC device of the present invention, if described NFC device is configured under described three kinds of mode of operations, the mode of operation of NFC equipment described in described NFC device meeting detection of dynamic, identify the first mode of operation of the current operation of described NFC equipment, select second mode of operation of mating with described the first mode of operation, then send described interface instruction and notify described main process equipment.
According to NFC device of the present invention, if described NFC equipment runs on described snap gauge simulation models, described main process equipment by described interface instruction and carry send first read instruction, send to described NFC device; Described NFC device is read instruction by described first and is sent to described NFC equipment; Described NFC equipment sends first to described NFC device and reads instruction response, and described NFC device is by described interface instruction and carry described first and read instruction response and send to described main process equipment;
If described NFC equipment runs on described point-to-point mode, described main process equipment sends point-to-point write command and carries the first data to described NFC device; Described NFC device sends to described NFC equipment by described the first data; Or described NFC device receives after the second data that described NFC equipment sends, described NFC device is used point-to-point to read instruction and carry described the second data to be sent back to described main process equipment;
If described NFC equipment runs on described reader/writer mode, described NFC device by described interface instruction and carry that described NFC equipment sends second read instruction, send to described main process equipment; Described main process equipment carries second by described interface instruction again and reads instruction and respond, and sends to described NFC device, then by described NFC device, by described second, reads instruction response and send back to described NFC equipment.
According to NFC device of the present invention, when the predetermined distance threshold of being equal to or less than of the distance between two NFC devices, set up two-way transparent transmission mode, the data that described main process equipment is dealt into a described NFC device all can be delivered to NFC device described in another; When the distance between described two NFC devices is greater than described distance threshold, described transparent transmission mode finishes.
According to NFC device of the present invention, described microprocessor is mounted with embedded real-time operating system, and described NFC protocol stack module and described NFC administration module run in described embedded real-time operating system.
According to NFC device of the present invention, described interface is wireline interface, and described microprocessor also comprises wired connection driver module, and described wired connection driver module is used to described wireline interface that driver is provided.
According to NFC device of the present invention, described interface instruction is AT instruction.
According to NFC device of the present invention, described NFC controller is provided with HCI interface or NCI interface.
According to NFC device of the present invention, described NFC administration module for receiving and dispatching the described interface instruction that described main process equipment is sent on described interface, and send and ask and receive response or the event of sending from described NFC protocol stack module to described NFC protocol stack module, and synthetic interface instruction response, send back to described main process equipment.
After NFC device of the present invention is connected with the device Host that does not possess NFC function, between described device Host and described NFC device, by transmitting-receiving interface instruction, can realize various NFC functions.Described device Host is without revising hardware, and only need to connect on hardware described NFC device and receive and dispatch interface instruction, host device software work amount is less, and it is also less to take the system resource of main process equipment, thereby has greatly improved the listing speed of the main process equipment with NFC function.
Accompanying drawing explanation
Fig. 1 is the structural representation of NFC device of the present invention.
Fig. 2 is the preferred embodiment structure chart of NFC device of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Fig. 1 is the structural representation of NFC device of the present invention, and described NFC device 100 is equipped with NFC protocol stack, and NFC device 100 is connected with main process equipment 200, and described NFC device 100 comprises microprocessor 10, NFC controller 20, antenna and match circuit 30, wherein:
Described microprocessor 10 comprises:
Interface 11, main process equipment 200 is connected with NFC device 100 by interface 11, and described main process equipment 200 is used NFC function with NFC device 100 by interface 11 coffret instructions.Described interface instruction is preferably AT instruction.
NFC protocol stack module 12, for realizing NFC business.In NFC protocol stack module 12, be provided with various NFC protocol stack sofewares, for realizing the reader/writer mode of NFC, point-to-point mode, the standard of the three kinds of needed NFC-forum of function standardization body definition of snap gauge simulation models.Wherein:
Reader/writer mode: support the processing to dissimilar card order, comprise the Type 1 of NFC Forum standardization body definition, Type 2, Type 3, Type 4 cards, Mifare card, Felica card, ISO15693 card etc., support NDEF(NFC Data Exchange Format, NFC data interchange format) read-write, NDEF message parse, RTD(Record Type Definition, record type definition) parsing of form etc.
Point-to-point mode: the LLCP(Logical Link Control Protocol that supports the definition of NFC Forum standardization body, logic link control protocol), SNEP(Simple NDEF Exchange Protocol, simple NDEF exchange agreement), NDEF agreement, NPP(Network Printing Protocol, network printing agreement) etc.
NFC administration module 13, for resolving described interface instruction, and controls described NFC protocol stack module 12 according to described interface instruction and carries out described NFC business.
Described NFC controller 20, is connected with antenna and match circuit 30 with microprocessor 10 respectively.Microprocessor chip 10 is attached thereto by the hardware interface of NFC controller chip 20.Described NFC controller 20 should be provided with HCI(Host Controller Interface, HCI) interface, NCI(NFC Controller Interface, NFC control unit interface) interface.
Described antenna and match circuit 30, carry out near-field communication for the NFC equipment 300 with outside.Preferably, described antenna and match circuit 30 can be with the foundation of other NFC equipment 300 the radio frequency physical channel based on 13.56MHz.
Ke Shi of the present invention equipment vendors are without the standard that realizes the definition of NFC-forum standardization body, and without Antenna Design and the optimization of considering NFC.Can directly based on the simple interface instruction of NFC device 100, complete read write line, point-to-point, the three kinds of functions of snap gauge plan of NFC, greatly improve the speed with the listing of NFC functional product.
Described microprocessor 10 is mounted with embedded real-time operating system, and described NFC protocol stack module 12 and described NFC administration module 13 run in described embedded real-time operating system.Related software part in NFC device 100 all operates on embedded real-time operating system, and described embedded real-time operating system can be FreeRTOS, uc/os, uc/os II, Nucleus, vxworks, uclinux etc.
Described NFC administration module 13 for receiving and dispatching the described interface instruction that main process equipment 200 is sent on described interface 11, and send and ask and receive response or the event of sending from NFC protocol stack module 13 to described NFC protocol stack module 13, and synthetic interface instruction response, send back to main process equipment 200.
The interface 11 of described microprocessor 10 is preferably wireline interface, comprise UART(Universal Asynchronous Receiver/Transmitter, UART Universal Asynchronous Receiver Transmitter) serial ports, USB(Universal Serial Bus, USB) interface etc.Described microprocessor 10 also comprises wired connection driver module 14, and described wired connection driver module 14 is used to described wireline interface that driver is provided.
Mode of operation corresponding to described NFC business that described NFC protocol stack module 12 is realized comprises reader/writer mode, point-to-point mode or snap gauge simulation models.Main process equipment 200 can be controlled NFC device 100 by transmission interface instruction, and NFC device 100 also notifies main process equipment 200 dependent events in the mode of interface instruction response.Described NFC device 100 can be configured to and operates under one or more mode of operations; If be configured to work under all three kinds of patterns, NFC device 100 is dynamically identified the operational mode of opposite end NFC equipment 300, selects the mode of operation matching to communicate, and by instruction notification main process equipment 200.Concrete is, if described NFC device 100 is configured under described three kinds of mode of operations, described NFC device 100 can dynamically detect the mode of operation of NFC equipment 300, identify the first mode of operation of NFC equipment 300 current operations, select second mode of operation of mating with the first mode of operation, then send described interface instruction notice main process equipment 200, notify one of its card reader, point-to-point or card analog machine to occur.Subsequently:
If NFC equipment 300 runs on described snap gauge simulation models, main process equipment 200 by described interface instruction and carry send first read instruction, send to described NFC device 100; Described NFC device 100 is read instruction by first and is sent to NFC equipment 300; NFC equipment 300 sends first to described NFC device 100 and reads instruction response, and described NFC device 100 is by described interface instruction and carry first and read instruction response and send to main process equipment 200.For example, if (or traditional card) appears in the NFC equipment 300 operating under snap gauge simulation models, main process equipment 200 can send the interface instruction of read-write NDEF message, and card is operated, and after operating successfully, NFC device 100 returns to the successful instruction of operation.
If NFC equipment 300 runs on described point-to-point mode, main process equipment 200 sends point-to-point write command and carries the first data to described NFC device 100.Described NFC device 100 sends to NFC equipment 300 by the first data.Or described NFC device 100 receives after the second data that NFC equipment 300 sends, described NFC device 100 is used point-to-points to read instruction and carry the second data to be sent back to main process equipment 200.
If NFC equipment 300 runs on described reader/writer mode, described NFC device 100 by described interface instruction and carry that NFC equipment 300 sends second read instruction, send to main process equipment 200.Main process equipment 200 carries second by described interface instruction again and reads instruction and respond, and sends to described NFC device 100, then by described NFC device 100, by second, reads instruction response and send back to NFC equipment 300.For example, if there is (or traditional read write line) in the NFC equipment 300 operating under reader/writer mode, NFC device 100 is by interface instruction and carry the PDU(Protocol Data Unit that external reader sends, protocol Data Unit) order, send to main process equipment 200.Main process equipment 200 carries the response of PDU order again by interface instruction, send to NFC device 100, then by NFC device 100, the response of this PDU order is sent back to external reader; By this interactive mode, complete the process that snap gauge is intended.
Under the acting in conjunction of NFC protocol stack module 12 and NFC administration module 13, this NFC device 100 also can operate under a kind of transparent transmission mode.Under transparent transmission mode, when two NFC devices 100 mutually near and distance between the two be equal to or less than predetermined distance threshold time, set up two-way transparent transmission mode, the data that main process equipment 200 is dealt into a described NFC device 100 all can be verily delivered to NFC device 100 described in another.When described two NFC devices 100 leave and when distance is between the two greater than described distance threshold, described transparent transmission mode finishes mutually.
The present invention can allow does not possess the limited main process equipment 200 of software and hardware resources in NFC function and equipment, as printer, and router, white domestic appliances equipment etc., after being connected with NFC device 100 by interface, by receiving and dispatching simple interface instruction, can possess the function of all three kinds of patterns of NFC.Main process equipment 200, without revising existing hardware, only needs to connect NFC device 100 on hardware, receives and dispatches interface instruction, main process equipment 200 side software workloads are less, the system resource (as flash, RAM, CPU time of implementation etc.) that takies main process equipment 200 is also less.
Fig. 2 is the preferred embodiment structure chart of NFC device of the present invention, comprise: operation has the STM32 singlechip chip of embedded real-time operating system FreeRTOS, run on NFC protocol stack sofeware and NFC management software in STM32FreeRTOS environment, NFC control chip ST21NFCA, antenna and match circuit.
STM32 singlechip chip is a singlechip chip based on 32 arm processors of ST Microelectronics, there is abundant Resources on Chip, as USB interface, UART interface, I2C(Inter-Integrated Circuit, integrated circuit) interface, RAM(Random Access Memory on sheet, random access memory), Flash(flash memory on sheet) etc.
Main process equipment 200 is connected with this example NFC device 100 by the UART interface of STM32 chip, by transmission interface instruction on this UART interface, control NFC device 100, and receive the interface instruction response of returning from NFC device 100, to obtain NFC related data;
External interface instruction can be used the instruction of AT command format, or equal similarly instruction, and NFC device 100 is used AT command format as the form of interface command;
On STM32 singlechip chip, move NFC protocol stack sofeware (being NFC protocol stack module) and NFC management software (being NFC administration module), NFC management software is responsible for receiving and dispatching AT instruction on UART serial port, and send and ask and receive response or the event of sending from NFC protocol stack sofeware to NFC protocol stack sofeware, and synthetic AT instruction response, send back to main process equipment 200;
NFC management software receives after the event notice of protocol stack sofeware, by UART mouth, sends AT response instruction notice main process equipment 200, RF(Radio Freqency, radio frequency) circuit inductance is to other NFC equipment 300, and carry NFC facility information in this AT instruction; Again by main process equipment 200 according to the operational mode of NFC equipment 300 (traditional card and traditional read write line, correspondence operates in the NFC equipment 300 under snap gauge plan and reader/writer mode), send corresponding AT instruction, communicate by letter with opposite end NFC equipment 300, and receive the AT instruction of carrying opposite end NFC equipment 300 data.
NFC protocol stack sofeware, dynamic monitoring is to the operational mode of opposite end NFC equipment 300 and notify NFC management software, then by NFC management software by AT order notice main process equipment 200; According to the request of NFC management software, NFC protocol stack sofeware operates under read write line, point-to-point, three kinds of patterns of snap gauge plan, under different mode, realizes the related specifications of NFC-Forum standardization body definition.
ST21NFCA is the NFC controller chip of ST Microelectronics, has I2C and SPI(SCSI Parallel Interface, parallel SCSI) interface, in this example, adopt I2C interface to be connected with STM32 single-chip microcomputer.ST21NFCA chip is connected with antenna on plate and RF match circuit again.
In sum, after NFC device of the present invention is connected with the device Host that does not possess NFC function, between described device Host and described NFC device, by transmitting-receiving interface instruction, can realize various NFC functions.Described device Host is without revising hardware, and only need to connect on hardware described NFC device and receive and dispatch interface instruction, host device software work amount is less, and it is also less to take the system resource of main process equipment, thereby has greatly improved the listing speed of the main process equipment with NFC function.
Certainly; the present invention also can have other various embodiments; in the situation that not deviating from spirit of the present invention and essence thereof; those of ordinary skill in the art are when making according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1. a NFC device, is characterized in that, described NFC device is connected with outside main process equipment, and described NFC device comprises microprocessor, NFC controller, antenna and match circuit;
Described microprocessor comprises:
Interface, described main process equipment is connected with described NFC device by described interface, and described main process equipment and described NFC device are by the instruction of described interface coffret;
NFC protocol stack module, for realizing NFC business;
NFC administration module, for resolving described interface instruction, and controls described NFC protocol stack module according to described interface instruction and carries out described NFC business;
Described NFC controller is connected with described antenna and match circuit with described microprocessor respectively;
Described antenna and match circuit, carry out near-field communication for the NFC equipment with outside.
2. NFC device according to claim 1, is characterized in that, mode of operation corresponding to described NFC business that described NFC protocol stack module is realized comprises reader/writer mode, point-to-point mode or snap gauge simulation models.
3. NFC device according to claim 2, it is characterized in that, if described NFC device is configured under described three kinds of mode of operations, the mode of operation of NFC equipment described in described NFC device meeting detection of dynamic, identify the first mode of operation of the current operation of described NFC equipment, select second mode of operation of mating with described the first mode of operation, then send described interface instruction and notify described main process equipment.
4. NFC device according to claim 3, is characterized in that, if described NFC equipment runs on described snap gauge simulation models, described main process equipment by described interface instruction and carry send first read instruction, send to described NFC device; Described NFC device is read instruction by described first and is sent to described NFC equipment; Described NFC equipment sends first to described NFC device and reads instruction response, and described NFC device is by described interface instruction and carry described first and read instruction response and send to described main process equipment;
If described NFC equipment runs on described point-to-point mode, described main process equipment sends point-to-point write command and carries the first data to described NFC device; Described NFC device sends to described NFC equipment by described the first data; Or described NFC device receives after the second data that described NFC equipment sends, described NFC device is used point-to-point to read instruction and carry described the second data to be sent back to described main process equipment;
If described NFC equipment runs on described reader/writer mode, described NFC device by described interface instruction and carry that described NFC equipment sends second read instruction, send to described main process equipment; Described main process equipment carries second by described interface instruction again and reads instruction and respond, and sends to described NFC device, then by described NFC device, by described second, reads instruction response and send back to described NFC equipment.
5. NFC device according to claim 1, it is characterized in that, when the predetermined distance threshold of being equal to or less than of the distance between two NFC devices, set up two-way transparent transmission mode, the data that described main process equipment is dealt into a described NFC device all can be delivered to NFC device described in another; When the distance between described two NFC devices is greater than described distance threshold, described transparent transmission mode finishes.
6. NFC device according to claim 1, is characterized in that, described microprocessor is mounted with embedded real-time operating system, and described NFC protocol stack module and described NFC administration module run in described embedded real-time operating system.
7. NFC device according to claim 1, is characterized in that, described interface is wireline interface, and described microprocessor also comprises wired connection driver module, and described wired connection driver module is used to described wireline interface that driver is provided.
8. NFC device according to claim 1, is characterized in that, described interface instruction is AT instruction.
9. NFC device according to claim 1, is characterized in that, described NFC controller is provided with HCI interface or NCI interface.
10. according to the NFC device described in claim 1～9 any one, it is characterized in that, described NFC administration module for receiving and dispatching the described interface instruction that described main process equipment is sent on described interface, and send and ask and receive response or the event of sending from described NFC protocol stack module to described NFC protocol stack module, and synthetic interface instruction response, send back to described main process equipment.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104787443A (en) * | 2015-04-24 | 2015-07-22 | 广东海兴塑胶有限公司 | Preservation box with NFC identification function and NFC device thereof |
| CN108141733A (en) * | 2015-10-22 | 2018-06-08 | 潘斯荣尼克斯股份公司 | NFC " splitting storehouse " architectural framework |
| CN108415512A (en) * | 2018-03-06 | 2018-08-17 | 三星半导体(中国)研究开发有限公司 | Wearable device near field communication (NFC) function and near-field communication control system |
| CN114301506A (en) * | 2022-01-17 | 2022-04-08 | 北京紫光青藤微系统有限公司 | Method and device for simulating NFC function, NFC terminal and storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101305585A (en) * | 2005-11-07 | 2008-11-12 | Lg电子株式会社 | Near field communication host controller interface |
| CN102090007A (en) * | 2008-07-09 | 2011-06-08 | 三星电子株式会社 | A nfc device and method for selectively securing records in a near field communication data exchange format message |
| CN102694582A (en) * | 2012-04-25 | 2012-09-26 | 华为终端有限公司 | Wireless data card and wireless data card communication method |
| CN202652217U (en) * | 2012-07-06 | 2013-01-02 | 深圳市安派易讯移动科技有限公司 | Nfc chip |
| CN102938659A (en) * | 2012-10-19 | 2013-02-20 | 深圳桑菲消费通信有限公司 | NFC (Near Field Communication) external member and realization method thereof |
| CN203466814U (en) * | 2013-09-26 | 2014-03-05 | 上海斯图曼通信技术有限公司 | NFC (Near Field Communication) device |
-
2013
- 2013-09-26 CN CN201310446085.1A patent/CN103701505A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101305585A (en) * | 2005-11-07 | 2008-11-12 | Lg电子株式会社 | Near field communication host controller interface |
| CN102090007A (en) * | 2008-07-09 | 2011-06-08 | 三星电子株式会社 | A nfc device and method for selectively securing records in a near field communication data exchange format message |
| CN102694582A (en) * | 2012-04-25 | 2012-09-26 | 华为终端有限公司 | Wireless data card and wireless data card communication method |
| CN202652217U (en) * | 2012-07-06 | 2013-01-02 | 深圳市安派易讯移动科技有限公司 | Nfc chip |
| CN102938659A (en) * | 2012-10-19 | 2013-02-20 | 深圳桑菲消费通信有限公司 | NFC (Near Field Communication) external member and realization method thereof |
| CN203466814U (en) * | 2013-09-26 | 2014-03-05 | 上海斯图曼通信技术有限公司 | NFC (Near Field Communication) device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104787443A (en) * | 2015-04-24 | 2015-07-22 | 广东海兴塑胶有限公司 | Preservation box with NFC identification function and NFC device thereof |
| CN108141733A (en) * | 2015-10-22 | 2018-06-08 | 潘斯荣尼克斯股份公司 | NFC " splitting storehouse " architectural framework |
| CN108141733B (en) * | 2015-10-22 | 2020-10-23 | 潘斯荣尼克斯股份公司 | NFC split stack architecture |
| CN108415512A (en) * | 2018-03-06 | 2018-08-17 | 三星半导体(中国)研究开发有限公司 | Wearable device near field communication (NFC) function and near-field communication control system |
| US10937020B2 (en) | 2018-03-06 | 2021-03-02 | Samsung Electronics Co., Ltd. | Wearable device with near-field communication function and near-field communication control system |
| CN114301506A (en) * | 2022-01-17 | 2022-04-08 | 北京紫光青藤微系统有限公司 | Method and device for simulating NFC function, NFC terminal and storage medium |
| CN114301506B (en) * | 2022-01-17 | 2022-05-06 | 北京紫光青藤微系统有限公司 | Method and device for simulating NFC function, NFC terminal and storage medium |
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Application publication date: 20140402 |