CN204557497U - Double frequency intelligent RF identification integrated system - Google Patents

Double frequency intelligent RF identification integrated system Download PDF

Info

Publication number
CN204557497U
CN204557497U CN201420861697.7U CN201420861697U CN204557497U CN 204557497 U CN204557497 U CN 204557497U CN 201420861697 U CN201420861697 U CN 201420861697U CN 204557497 U CN204557497 U CN 204557497U
Authority
CN
China
Prior art keywords
card
treating apparatus
low frequency
frequency card
high frequency
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201420861697.7U
Other languages
Chinese (zh)
Inventor
王永春
赵振河
叶少明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Lizhi Electronic Technology Co Ltd
Original Assignee
Shanghai Lizhi Electronic Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Lizhi Electronic Technology Co Ltd filed Critical Shanghai Lizhi Electronic Technology Co Ltd
Priority to CN201420861697.7U priority Critical patent/CN204557497U/en
Application granted granted Critical
Publication of CN204557497U publication Critical patent/CN204557497U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Near-Field Transmission Systems (AREA)

Abstract

The utility model discloses a kind of double frequency intelligent RF identification integrated system, native system is made up of high-frequency device and low frequency device, wherein: the high frequency card reading circuit of high-frequency device is connected with high frequency card mimic channel by the first treating apparatus, the low frequency card reading circuit of low frequency device is connected with low frequency card mimic channel by the second treating apparatus; High frequency card reading circuit reads the original card data of external high frequency card, and the original card data of external high frequency card transfer to through the first treating apparatus the function that high frequency card mimic channel realizes external high frequency card; Low frequency card reading circuit reads the original card data of external low frequency card, and the original card data of external low frequency card transfer to through the second treating apparatus the function that low frequency card mimic channel realizes external low frequency card.The utility model can produce resonance to multiple frequency range, has the data-transformation facility of RFID and NFC concurrently, and has function and the functions of card reader of simulation electronic label, improves the variation application of electronic tag.

Description

Double frequency intelligent RF identification integrated system
Technical field
The utility model relates to a kind of double frequency intelligent RF identification integrated system.
Background technology
NFC technique is the one novel closely inductive communication technology be derived from RFID technique, and the NFC technique of current routine adopts the resonance frequency of 13.56MHz; NFC Card Reader chip and induction antenna directly closely can respond to the information reading NFC label by CPU treating apparatus, NFC Card Reader chip and induction antenna also can be modeled as contactless card or sensor label, information is read by any NFC device, directly point-to-point communication can be carried out, to realize the mutual of information and data between same two NFC device.
But the application of Current RFID tags and NFC label is comparatively single, the resonance frequency that conventional electronic tag data transmission adopts is generally 125kHz, 134.2kHz or 13.56MHz, and each electronic tag only produces resonance to a frequency range, the i.e. corresponding resonance frequency of each electronic tag, electronic tag and read-write equipment function singleness, resonance frequency for data transmission is single, because which limit the variation application of electronic tag.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of double frequency intelligent RF identification integrated system, and native system has function and the functions of card reader of simulation electronic label, to improve the variation application of electronic tag; Meanwhile, the utility model can produce resonance to multiple frequency range, has the data-transformation facility of RFID and NFC concurrently.
For solving the problems of the technologies described above, the utility model double frequency intelligent RF identification integrated system comprises high-frequency device and low frequency device, described high-frequency device comprises high frequency card reading circuit, high frequency card mimic channel and the first treating apparatus, and described low frequency device comprises low frequency card reading circuit, low frequency card mimic channel and the second treating apparatus; Described high frequency card reading circuit is connected with described high frequency card mimic channel by described first treating apparatus, and described low frequency card reading circuit is connected with described low frequency card mimic channel by described second treating apparatus; Described high frequency card reading circuit reads the original card data of external high frequency card, and the original card data of described external high frequency card can transfer to described high frequency card mimic channel through described first treating apparatus, realize the function of external high frequency card to make described high frequency card mimic channel; Described low frequency card reading circuit reads the original card data of external low frequency card, and the original card data of described external low frequency card can transfer to described low frequency card mimic channel through described second treating apparatus, realize the function of external low frequency card to make described low frequency card mimic channel.
Further, described low frequency card mimic channel comprises two interface low frequency intelligent card chip and the 4th induction antenna, described pair of interface low frequency intelligent card chip connects described second treating apparatus by bus, and described 4th induction antenna connects the induced signal transmitting/receiving terminal of described pair of interface low frequency intelligent card chip.
Further, described low frequency card reading circuit comprises low frequency card reader chip and the 3rd induction antenna, described 3rd induction antenna connects the induced signal transmitting/receiving terminal of described low frequency card reader chip, and described low frequency card reader chip connects described second treating apparatus by bus; Described high frequency card reading circuit comprises high frequency NFC card reader chip and the first induction antenna, described first induction antenna connects the induced signal transmitting/receiving terminal of described high frequency NFC card reader chip, and described high frequency NFC card reader chip connects described first treating apparatus by bus; Described high frequency card mimic channel comprises two interface high-frequency intelligent the core of the card sheet and the second induction antenna, described second induction antenna connects the induced signal transmitting/receiving terminal of described pair of interface high-frequency intelligent the core of the card sheet, and described pair of interface high-frequency intelligent the core of the card sheet connects described first treating apparatus by bus.
Further, described integrated system also comprises radio transmitting device, described radio transmitting device connects described first treating apparatus and the second treating apparatus by bus, carries out communication to make external unit by this radio transmitting device and described first treating apparatus and the second treating apparatus.
Further, when described external unit carries out communication by described radio transmitting device and described first treating apparatus or the second treating apparatus, the information of transmission comprises at least one in following information: to the first treating apparatus or the second treating apparatus input of control commands, and from the first treating apparatus or the second treating apparatus obtaining information.
Further, described radio transmitting device can be blue-teeth communication equipment, wifi communication device, PTR2000 communication device or ZIGBEE communication device, and described first treating apparatus and the second treating apparatus are the main control chips based on ARM kernel.
Further, described bus is universal serial bus.
Further, described universal serial bus is UART bus, I 2c bus, spi bus or ISO7816 bus.
Further, described integrated system also comprises USB flash disk device, and described USB flash disk device connects described first treating apparatus and the second treating apparatus by control bus.
Further, described first treating apparatus and the second treating apparatus are same treating apparatus, and are integrated in same place reason device chip, and described high-frequency device and low frequency device share this treating apparatus.
The utility model has function and the functions of card reader of simulation electronic label simultaneously, improves the variation application of electronic tag; Further, the utility model can produce resonance to multiple frequency range, has the data-transformation facility of RFID and NFC concurrently, achieves the interactive application of RFID technique and NFC technique.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the utility model is described in further detail:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is another structural representation of the present utility model.
Embodiment
As shown in Figure 1, the utility model double frequency intelligent RF identification integrated system comprises high-frequency device 21 and low frequency device 22, described high-frequency device 21 comprises high frequency card reading circuit 211, high frequency card mimic channel 212 and the first treating apparatus 213, and described low frequency device 22 comprises low frequency card reading circuit 221, low frequency card mimic channel 222 and the second treating apparatus 223; Described high frequency card reading circuit 211 is connected with described high frequency card mimic channel 212 by described first treating apparatus 213, and described low frequency card reading circuit 221 is connected with described low frequency card mimic channel 222 by described second treating apparatus 223; Described high frequency card reading circuit 211 reads the original card data of external high frequency card, and the original card data of described external high frequency card can transfer to described high frequency card mimic channel 212 through described first treating apparatus 213, realize the function of external high frequency card to make described high frequency card mimic channel 211; Described low frequency card reading circuit 221 reads the original card data of external low frequency card, and the original card data of described external low frequency card can transfer to described low frequency card mimic channel 222 through described second treating apparatus 223, realize the function of external low frequency card to make described low frequency card mimic channel 222.
Data from high frequency card reading circuit 211 can be transferred to high frequency card mimic channel 212 by the first treating apparatus 213.Meanwhile, the first treating apparatus 213 also controls high frequency card reading circuit 211 or whether high frequency card mimic channel 212 starts or power cut-off.That is, the first treating apparatus 213 can be used for the data transmission between high frequency card reading circuit 211 and high frequency card mimic channel 212, also can control high frequency card reading circuit 211 and whether high frequency card mimic channel 212 starts and power cut-off.Similarly, the second treating apparatus 223 can be used for the data transmission between low frequency card reading circuit 221 and low frequency card mimic channel 222, also can control low frequency card reading circuit 221 and whether low frequency card mimic channel 222 starts and power cut-off.
The utility model is integrated with high-frequency device and low frequency device, the raw data of external high frequency card all can be read in by high-frequency device, play the effect of high frequency card reader, also the raw data of external high frequency card can be stored, realize the repertoire of external high frequency card, to replace external high frequency card to use, such as, replace access card enabling etc.Equally, read the original card data of external low frequency card by low frequency device, play the effect of low frequency card reader, also the raw data of external low frequency card can be stored, realize the function of external low frequency card, low frequency device and high-frequency device are all applicable to the application of conventional RFID tag.
Preferably, described low frequency card mimic channel 222 comprises two interfaces low frequency intelligent card chip 5 and the 4th induction antenna 10, described pair of interface low frequency intelligent card chip 5 connects described second treating apparatus 223 by bus, and described 4th induction antenna 10 connects the induced signal transmitting/receiving terminal of described pair of interface low frequency intelligent card chip 5.
Preferably, described low frequency card reading circuit 221 comprises low frequency card reader chip 4 and the 3rd induction antenna 9, described 3rd induction antenna 9 connects the induced signal transmitting/receiving terminal of described low frequency card reader chip 4, and described low frequency card reader chip 4 connects described second treating apparatus 223 by bus; Described high frequency card reading circuit 211 comprises high frequency NFC card reader chip 2 and the first induction antenna 7, described first induction antenna 7 connects the induced signal transmitting/receiving terminal of described high frequency NFC card reader chip 2, and described high frequency NFC card reader chip 2 connects described first treating apparatus 213 by bus; Described high frequency card mimic channel 212 comprises two interfaces high-frequency intelligent the core of the card sheet 3 and the second induction antenna 8, described second induction antenna 8 connects the induced signal transmitting/receiving terminal of described pair of interface high-frequency intelligent the core of the card sheet 3, and described pair of interface high-frequency intelligent the core of the card sheet 3 connects described first treating apparatus 213 by bus.
Wherein, the FM1216 series Dual Interface chip that high frequency NFC card reader chip 2 can adopt Shanghai Fudan Microelectronics Group Company Limited to produce, it both supported non-contact interface, met the interface specification of ISO14443A, also support contact interface, meet ISO7816 contact specification.The PN532 etc. that CET632 or the En Zhi Pu company that two interfaces high-frequency intelligent the core of the card sheet 3 can adopt Shanghai Li Shi Electronic Science and Technology Co., Ltd. to produce produces.Low frequency card reader chip 4 can adopt U.S. ATMEL(to like special Mel) company produce U2270B or EM microelectronics (EM microelectronic) company produce EM4095 etc.The EM6869 that two interfaces low frequency intelligent card chip 5 can adopt EM Microtronic A/S to produce.Certainly, when said chip uses, periphery also will add some components and parts, such as resistance, electric capacity, and to carry out rectification, filtering etc., it is well known to those skilled in the art, and it will not go into details herein.
Preferably, described integrated system can also comprise radio transmitting device 6, described radio transmitting device 6 connects described first treating apparatus 213 and the second treating apparatus 223 by bus, carries out communication to make external unit by this radio transmitting device 6 with described first treating apparatus 213 or the second treating apparatus 223.
When described external unit carries out communication by described radio transmitting device 6 and described first treating apparatus 213 or the second treating apparatus 223, the information of transmission comprises at least one in following information: to the first treating apparatus 213 or the second treating apparatus 223 input of control commands, and from the first treating apparatus 213 or the second treating apparatus 223 obtaining information.Such as, the control command inputted to the first treating apparatus 213 can be that instruction first treating apparatus 213 controls high frequency card reading circuit 211 and reads in the raw data of external high frequency card and by this raw data input high frequency card mimic channel 212, the information obtained from the second treating apparatus 223 can be the information of the low frequency card stored in the second treating apparatus 223; External unit can be mobile phone, key button-type electronic tag etc.When the card image of storage in the first treating apparatus 213 or the second treating apparatus 223 or the information of external high frequency card input external unit by the first treating apparatus 213 or the second treating apparatus 223, external unit also can replace corresponding card to operate.
Preferably, described integrated system can also comprise USB flash disk device 11, and described USB flash disk device 11 connects described first treating apparatus 213 and the second treating apparatus 223 by control bus.USB flash disk interface is provided with to connect external unit in USB flash disk device 11.Storer also can be set in USB flash disk device 11 further to store the data from outside USB flash disk or other external units.The data of this integrated system and information can be derived by USB flash disk device 11, or external data and information are imported, thus be convenient to the flexible Application of this integrated system.
Preferably, described radio transmitting device 6 can be blue-teeth communication equipment or wifi communication device also can be PTR2000 communication device or ZIGBEE communication device, and described first treating apparatus 213 and the second treating apparatus 223 are the main control chips based on ARM kernel.
Preferably, described bus can be universal serial bus, and described universal serial bus can be UART (Universal Asynchronous Receiver/Transmitter; UART Universal Asynchronous Receiver Transmitter) bus, I 2c (Inter-Integrated Circuit, built-in integrated circuit) bus, SPI(Serial Peripheral Interface; Serial Peripheral Interface (SPI)) bus or ISO(International Organization for Standardization; ISO (International Standards Organization)) 7816 buses.
As shown in Figure 2, high-frequency device 21 and low frequency device 22 can share a treating apparatus 1, to reduce costs.Data from high frequency card reading circuit 211 can be transferred to high frequency card mimic channel 212 by treating apparatus 1, the data that also data from high frequency card reading circuit 211 can be transferred to radio transmitting device 6 or accept from radio transmitting device 6.Meanwhile, whether treating apparatus 1 also controls radio transmitting device 6, high frequency card reading circuit 211 or high frequency card mimic channel 212 and starts or power cut-off.That is, treating apparatus 1 can be used for radio transmitting device 6, between high frequency card reading circuit 211 and high frequency card mimic channel 212 data transmission, also can control radio transmitting device 6, high frequency card reading circuit 211 and high frequency card mimic channel 212 and whether start and power cut-off.Similarly, treating apparatus 1 can be used for radio transmitting device 6, between low frequency card reading circuit 221 and low frequency card mimic channel 222 data transmission, also can control radio transmitting device 6, low frequency card reading circuit 221 and low frequency card mimic channel 222 and whether start and power cut-off.
The utility model has card analog functuion and the card-reading function of RFID and NFC technique concurrently, and in high frequency NFC application aspect, card reader portion is made up of, for the read-write of all kinds of NFC label high frequency NFC card reader chip, the first induction antenna and the first treating apparatus; Card simulation part adopts two interfaces high-frequency intelligent the core of the card sheet, first treating apparatus transmits data by control bus interface to it, and realize high frequency NFC induction card function respectively by the induction coupling of the first induction antenna and the second induction antenna, eliminate the card analog configuration process of the high frequency NFC Card Reader chip complexity of existing routine.Its typical apply of such design is exactly that user can by 13.56MHz(high frequency) RFID original card (as mass transit card etc.), by high frequency NFC card reader chip original card digital independent out, then operational order is passed through, these original card data are transferred in the high-frequency intelligent the core of the card sheet of two interfaces by radio transmitting device via the first treating apparatus, thus enable integrated system possess the effect of simulation ultra high frequency IC tag, and then realize the function of original card, as paid public transport rate etc.
In low frequency (125KHz/134.2KHz) RFID application aspect, functions of card reader and card analog functuion are realized by low frequency card reader chip and two interfaces low frequency intelligent card chip by the utility model, second treating apparatus, low frequency card reader chip, the 3rd induction antenna composition low frequency card reader circuit, 125KHz/134.2KHz low frequency tags is directly read, and controls radio transmitting device by low frequency tags information transmission to intelligent terminal by the second treating apparatus.Card analog functuion is realized by two interfaces low frequency intelligent card chip and the 4th induction antenna, within the 4th induction antenna enters the certain scope of outside card reader electric field, 4th induction antenna produces inductive energy and receives outside card reader information by two interfaces low frequency intelligent card chip, this information sends the second treating apparatus to, second treating apparatus sends two interfaces low frequency intelligent card chip by Data Analysis Services to the card data be stored in internal storage or information, realize card simulation, launch finally by the 4th induction antenna, outside card reader just can receive the information of simulation card.By presetting different processing logics, communications protocol and the data rule of various RFID label tag or card can be simulated, also can expand safer more novel LF communication agreement and form, create the application market made new advances.
The utility model overcomes the defect of traditional NFC and RFID device terminal versatility difference, make user oneself to define and to write the label information of various personalized application, all kinds of label information can be the information such as smart poster, telephone number, network address, intelligent business card, note, WIFI connection, Bluetooth pairing.Simultaneously, the utility model has 13.56MHz(high frequency simultaneously) and 125kHz or 134.2kHz (low frequency) RF wireless radio interface, can realize and existing 13.56MHz(high frequency) RFID and 125kHz/134.2kHz(low frequency) " seamless " of RFID be compatible, can by 13.56MHz(high frequency) or 125kHz, RFID original card (as the mass transit card etc.) digital independent of 134.2kHz (low frequency) out, the various forms of rfid card sheet that direct replacement existing system adopts and label, reach the object of NFC and rfid card compatibility, can by such as gate inhibition, work attendance, public transport, all-in-one campus card, member card, animal identification (animal husbandry management), logistics, the NFC application (comprising NFC mobile phone to pay) of false proof and various standard, be integrated on platform of the present utility model all well, thus expanded NFC application function, greatly improve the experience effect of NFC application function.
Certainly, above is only embody rule example of the present utility model, does not constitute any limitation protection domain of the present utility model.In addition to the implementation, the utility model can also have other embodiment.Such as, the utility model also can be the combination of ultrahigh frequency device and high-frequency device, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within the utility model scope required for protection.

Claims (10)

1. a double frequency intelligent RF identification integrated system, it is characterized in that: described integrated system comprises high-frequency device and low frequency device, described high-frequency device comprises high frequency card reading circuit, high frequency card mimic channel and the first treating apparatus, and described low frequency device comprises low frequency card reading circuit, low frequency card mimic channel and the second treating apparatus; Described high frequency card reading circuit is connected with described high frequency card mimic channel by described first treating apparatus, and described low frequency card reading circuit is connected with described low frequency card mimic channel by described second treating apparatus; Described high frequency card reading circuit reads the original card data of external high frequency card, and the original card data of described external high frequency card can transfer to described high frequency card mimic channel through described first treating apparatus, realize the function of external high frequency card to make described high frequency card mimic channel; Described low frequency card reading circuit reads the original card data of external low frequency card, and the original card data of described external low frequency card can transfer to described low frequency card mimic channel through described second treating apparatus, realize the function of external low frequency card to make described low frequency card mimic channel.
2. double frequency intelligent RF identification integrated system according to claim 1, it is characterized in that: described low frequency card mimic channel comprises two interface low frequency intelligent card chip and the 4th induction antenna, described pair of interface low frequency intelligent card chip connects described second treating apparatus by bus, and described 4th induction antenna connects the induced signal transmitting/receiving terminal of described pair of interface low frequency intelligent card chip.
3. double frequency intelligent RF identification integrated system according to claim 1, it is characterized in that: described low frequency card reading circuit comprises low frequency card reader chip and the 3rd induction antenna, described 3rd induction antenna connects the induced signal transmitting/receiving terminal of described low frequency card reader chip, and described low frequency card reader chip connects described second treating apparatus by bus; Described high frequency card reading circuit comprises high frequency NFC card reader chip and the first induction antenna, described first induction antenna connects the induced signal transmitting/receiving terminal of described high frequency NFC card reader chip, and described high frequency NFC card reader chip connects described first treating apparatus by bus; Described high frequency card mimic channel comprises two interface high-frequency intelligent the core of the card sheet and the second induction antenna, described second induction antenna connects the induced signal transmitting/receiving terminal of described pair of interface high-frequency intelligent the core of the card sheet, and described pair of interface high-frequency intelligent the core of the card sheet connects described first treating apparatus by bus.
4. double frequency intelligent RF identification integrated system according to claim 1, it is characterized in that: described integrated system also comprises radio transmitting device, described radio transmitting device connects described first treating apparatus and the second treating apparatus by bus, carries out communication to make external unit by this radio transmitting device and described first treating apparatus and the second treating apparatus.
5. double frequency intelligent RF identification integrated system according to claim 4, it is characterized in that: when described external unit carries out communication by described radio transmitting device and described first treating apparatus or the second treating apparatus, the information of transmission comprises at least one in following information: to the first treating apparatus or the second treating apparatus input of control commands, and from the first treating apparatus or the second treating apparatus obtaining information.
6. the double frequency intelligent RF identification integrated system according to claim 4 or 5, it is characterized in that: described radio transmitting device is blue-teeth communication equipment, wifi communication device, PTR2000 communication device or ZIGEBB communication device, described first treating apparatus and the second treating apparatus are the main control chips based on ARM kernel.
7. the double frequency intelligent RF identification integrated system according to any one of claim 2 to 4, is characterized in that: described bus is universal serial bus.
8. double frequency intelligent RF identification integrated system according to claim 7, is characterized in that: described universal serial bus is UART bus, I 2c bus, spi bus or ISO7816 bus.
9. double frequency intelligent RF identification integrated system according to claim 1, it is characterized in that: described integrated system also comprises USB flash disk device, described USB flash disk device connects described first treating apparatus and the second treating apparatus by control bus.
10. double frequency intelligent RF identification integrated system according to claim 1, it is characterized in that: described first treating apparatus and the second treating apparatus are same treating apparatus, and being integrated in same place reason device chip, described high-frequency device and low frequency device share this treating apparatus.
CN201420861697.7U 2014-12-31 2014-12-31 Double frequency intelligent RF identification integrated system Active CN204557497U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420861697.7U CN204557497U (en) 2014-12-31 2014-12-31 Double frequency intelligent RF identification integrated system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420861697.7U CN204557497U (en) 2014-12-31 2014-12-31 Double frequency intelligent RF identification integrated system

Publications (1)

Publication Number Publication Date
CN204557497U true CN204557497U (en) 2015-08-12

Family

ID=53832582

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420861697.7U Active CN204557497U (en) 2014-12-31 2014-12-31 Double frequency intelligent RF identification integrated system

Country Status (1)

Country Link
CN (1) CN204557497U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016011971A1 (en) * 2014-07-24 2016-01-28 上海励识电子科技有限公司 Double-frequency multi-protocol multifunctional near field communication integrated system and application method
CN112069843A (en) * 2020-08-20 2020-12-11 维沃移动通信有限公司 Radio frequency signal processing method and device and electronic equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016011971A1 (en) * 2014-07-24 2016-01-28 上海励识电子科技有限公司 Double-frequency multi-protocol multifunctional near field communication integrated system and application method
CN112069843A (en) * 2020-08-20 2020-12-11 维沃移动通信有限公司 Radio frequency signal processing method and device and electronic equipment
WO2022037579A1 (en) * 2020-08-20 2022-02-24 维沃移动通信有限公司 Radio-frequency signal processing method and apparatus, and electronic device

Similar Documents

Publication Publication Date Title
CN104253634B (en) Double frequency multi-protocols multifunctional near-field communication integrate system and methods for using them
CN103562937B (en) Smartcard performance intensifier circuit and system
CN101160593B (en) Memory card and terminal equipment of combining memory card
CN203287939U (en) Mobile payment full-card supporting single-wire transport protocol
CN102426658B (en) Dual-protocol supporting contact-less communication smart card
CN104093218A (en) Mobile internet of things built based on NFC technology and information exchange method thereof
CN204557497U (en) Double frequency intelligent RF identification integrated system
CN104536786A (en) NFC-based multi-application starting system and method
CN105809231B (en) Multi-frequency multi-purpose electronic tag and using method thereof
CN104022768A (en) Passive magnetic induction button device
CN103187996B (en) Based on data transmission method, the Apparatus and system of RFID
CN101719943B (en) Separate type mobile telephone card paste
CN205453691U (en) Dual -frenquency near field communication integrated system of quick -witted many cards
CN101840486B (en) Improved converter for SD card
CN203747822U (en) NFC switching equipment
CN104065407A (en) Relaying device and relaying method for wireless transmission RFID
CN104579870A (en) RFID-chip-based fast networking method and special device
CN102271013B (en) Mobile device for supporting function of electronic purse
CN203941532U (en) A kind of portable IC card read-write equipment
CN202504471U (en) Mobile phone case with near field communication (NFC) function
CN203414989U (en) Intelligent storage card and system thereof
CN206147792U (en) Access control system
CN104809493A (en) Radio frequency tag, method for accessing same and electronic system
CN104408390A (en) Radio frequency card substitution device and use method thereof
CN203968096U (en) A kind of passive magnetic strength key device

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant