CN202584154U - Radio frequency device integrating 13.56M and 2.4G cards - Google Patents

Radio frequency device integrating 13.56M and 2.4G cards Download PDF

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Publication number
CN202584154U
CN202584154U CN 201120502136 CN201120502136U CN202584154U CN 202584154 U CN202584154 U CN 202584154U CN 201120502136 CN201120502136 CN 201120502136 CN 201120502136 U CN201120502136 U CN 201120502136U CN 202584154 U CN202584154 U CN 202584154U
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China
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module
card reader
antenna
transmission
circuit
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Expired - Lifetime
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CN 201120502136
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Chinese (zh)
Inventor
关思敏
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Nationz Technologies Inc
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Nationz Technologies Inc
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Priority to CN 201120502136 priority Critical patent/CN202584154U/en
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Abstract

The utility model relates to a radio frequency device integrating 13.56M and 2.4G cards. The radio frequency device includes a 2.4G pre-module, a 13.56M module, and a 2.4G module. The 2.4G module carries out the bi-directional communication with a terminal device via the 2.4G pre-module. The 2.4G module communicates with a 2.4G frequency range card reader. The 13.56M module communicates with a 13.56M frequency range card reader. The radio frequency device is compatible with a conventional single frequency range card reader, so a same card can communicate with card readers which are different in frequency range. In addition, the radio frequency device has the safety data card reading function, so the reading and writing operation to a safety data card within a safe distance can be realized, and consequently a memory device which is easy to carry is provided for a user. The device adopts an active power supply mode and a reactive power supply mode. In the active mode, a rechargeable battery is adopted to supply power to the modules, so the using cost of a product is reduced, and the environment is protected.

Description

The radio-frequency unit of a kind of integrated 13.56M and 2.4G card
Technical field
The utility model relates to a kind of radio-frequency unit, relates in particular to the radio-frequency unit of a kind of integrated 13.56M and 2.4G card.
Background technology
Along with the development of noncontact REID and ripe gradually, make that the RF identification product category is more various, application is more wide, and according to the higher demand in market, following RF identification product also will constantly be innovated and be perfect.
At present, market share higher RF identification product in mobile payment field mainly is based on the REID scheme of 13.56M or based on the REID scheme of 2.4G.Radio-frequency recognition system mainly is made up of radio-frequency unit and card reader.The card reader of using on the market now is main with the card reader based on the single frequency band of 13.56M or 2.4G mainly; The radio-frequency unit of user's use will be restricted like this; Need change different radio-frequency units according to the occasion of using, use inconvenience very.Consider above-mentioned problem, existing scheme is the card reader that is transformed into multiband through the card reader with single frequency band, satisfies the requirement of the radio-frequency unit of different frequency range.But card reader transformation difficulty is bigger, and expense is higher, and need the card reader of whole single frequency band be replaced, not easy to operate and realization.
The utility model content
The purpose of the utility model is big to prior art reading card device transformation difficulty; Expense is high; And not easy to operate and the shortcoming that realizes provide a kind of need not to transform the integrated 13.56M that card reader just can communicate with the card reader of different frequency range and the radio-frequency unit of 2.4G card.
The radio-frequency unit of described a kind of integrated 13.56M of the utility model and 2.4G card comprises the preposition module of 2.4G, 13.56M module and 2.4G module;
Said 2.4G module is through preposition module of 2.4G and terminal device two-way communication;
Said 2.4G module and 2.4G frequency range card reader communicate;
Said 13.56M module and 13.56M frequency range card reader communicate.
The beneficial effect of the utility model is:
The compatibility of described radio-frequency unit of the utility model and existing single frequency band card reader, the card reader that need not to transform again present single frequency band just can realize that the card reader of same card and different frequency range communicates; In addition, have secure data card card-reading function, can be implemented in and secure data sticked into capable read-write operation in the safe distance, for the user provides a kind of memory device easy to carry; The device of the utility model adopts active and passive two kinds of powering modes, and under active mode, adopting rechargeable battery is each module for power supply, reduces the use cost and the environmental protection more of product.
Further, the preposition module of said 2.4G comprises interface module, power module and secure data card identification module, and said interface module is connected with terminal device, accomplishes the electrical connection of radio-frequency unit and terminal device and communicates by letter; Said power module charges through the power supply that the interface module receiving terminal apparatus provides, and is connected with the 2.4G module; Said secure data card identification module respectively with interface module and the two-way communication of 2.4G module, said terminal device carries out read-write operation through interface module and secure data card identification module to the 2.4G module successively.
Further, to adopt the mode of constant current, constant voltage through interface module be that power module charges to said terminal device.
Further; Said 2.4G module comprises 2.4G control circuit, 2.4G transmission circuit, 2.4G antenna, magnetic circuit and magnetic antenna; Said magnetic antenna receives the magnetic signal of card reader transmission and converts magnetic signal into electric signal and transfers to magnetic circuit; Said magnetic circuit receives the electric signal of magnetic antenna transmission, and electric signal is carried out demodulation, analog-to-digital conversion and threshold ratio, and said 2.4G control circuit receives the signal of magnetic circuit output; The data that said 2.4G antenna receives the card reader transmission are sent to the 2.4G transmission circuit; And 2.4G transmission circuit feedback data is sent to card reader; The data transmission that said 2.4G transmission circuit receives the 2.4G antenna is to the 2.4G control circuit; And the interactive information of sending 2.4G control circuit feedback is to the 2.4G antenna, and said 2.4G control circuit carries out encryption and decryption with the data of 2.4G transmission circuit transmission to be handled.
Adopt further beneficial effect to be:
According to the size control radio-frequency unit of the electric signal of magnetic module output and the communication distance of card reader, realized secure data card card-reading function through said 2.4G control circuit, can be implemented in that safe distance is interior to stick into capable read-write operation to secure data.
Further; Said 13.56M module comprises 13.56M control circuit, 13.56M transmission circuit and 13.56M antenna; Said 13.56M control circuit intercoms with the 13.56M transmission circuit mutually; And control 13.56M transmission circuit transceive data, said 13.56M transmission circuit receives the 13.56M signal of the card reader transmission of 13.56M antenna reception, and sends 13.56M control circuit feedack and transfer to the 13.56M antenna; Said 13.56M antenna receives the 13.56M signal that card reader is sent, and 13.56M transmission circuit feedack is sent to card reader.
Further, when the described radio-frequency unit of the utility model was communicated by letter with 13.56M frequency range card reader, said 13.56M module was the 13.56M module for power supply from the voltage that the coupling of 13.56M frequency range card reader obtains.
Further, said 13.56M module is 13.56M module and 2.4G module for power supply from the voltage that the coupling of two-band card reader obtains.
Adopt further beneficial effect to be:
Be the 2.4G module for power supply through the 13.56M module when the said radio-frequency unit of the utility model is communicated by letter with the two-band card reader, realize passive mode of operation.
Further, when the described radio-frequency unit of the utility model was communicated by letter with 2.4G frequency range card reader, said power module was the 2.4G module for power supply.
Adopt further beneficial effect to be:
The said radio-frequency unit of the utility model adopts the rechargable power supplies module to supply power, environmental protection more, and be easy to carry.
Description of drawings
Fig. 1 is the theory diagram of the described radio-frequency unit of the utility model;
Fig. 2 is the structured flowchart of the 2.4G module in the described radio-frequency unit of the utility model;
Fig. 3 is the structured flowchart of the 13.56M module in the described radio-frequency unit of the utility model;
Fig. 4 is the user mode figure of the described radio-frequency unit specific embodiment 1 of the utility model.
Embodiment
Below in conjunction with accompanying drawing the principle and the characteristic of the utility model are described, institute gives an actual example and only is used to explain the utility model, is not the scope that is used to limit the utility model.
Like Fig. 1,2,3, shown in 4, when the radio-frequency unit 10 of the utility model specific embodiment 1 described a kind of integrated 13.56M and 2.4G card is communicated by letter with 2.4G card reader 20, comprise the preposition module of 2.4G 101,13.56M module 103 and 2.4G module 102;
Said 2.4G module 102 is through preposition module 101 of 2.4G and terminal device two-way communication;
Said 2.4G module 102 communicates with 2.4G frequency range card reader;
Said 13.56M module 103 communicates with 13.56M frequency range card reader.
The preposition module 101 of said 2.4G comprises interface module 1011, power module 1013 and secure data card identification module 1012, and said interface module 1011 is connected with terminal device, accomplishes the electrical connection of radio-frequency unit 10 and terminal device and communicates by letter; Said power module 1013 charges through the power supply that interface module 1011 provides, and is connected with 2.4G module 102; Said secure data card identification module 1012 respectively with interface module 1011 and 102 two-way communications of 2.4G module, said terminal device carries out read-write operation through interface module 1011 and 1012 pairs of 2.4G modules of secure data card identification module 102 successively.
It is that power module 1013 charges that said terminal device adopts the mode of constant current, constant voltage through interface module 1011, and said power module 1013 is 102 power supplies of 2.4G module.
Said 2.4G module 102 comprises 2.4G control circuit 1021,2.4G transmission circuit 1024,2.4G antenna 1025, magnetic circuit 1022 and magnetic antenna 1023; Said magnetic antenna 1023 receives the magnetic signal of card reader transmission and converts magnetic signal into electric signal and transfers to magnetic circuit 1022; Said magnetic circuit 1022 receives the electric signal of magnetic antenna 1023 transmission; And electric signal carried out demodulation, analog-to-digital conversion and threshold ratio, said 2.4G control circuit 1021 is according to the size control radio-frequency unit 10 of the electric signal of magnetic circuit 1022 outputs and the distance of card reader 20; The data that said 2.4G antenna 1025 sends card reader 20 are sent to 2.4G transmission circuit 1024; And 2.4G transmission circuit 1024 feedback data are sent to card reader 20; The data transmission that said 2.4G transmission circuit 1024 receives 1025 receptions of 2.4G antenna is to 2.4G control circuit 1021; And the interactive information of transmission 2.4G control circuit 1021 feedbacks is to 2.4G antenna 1025; Said 2.4G control circuit 1021 is controlled the work of 2.4G transmission circuit 1024,2.4G antenna 1025, magnetic circuit 1022 and magnetic antenna 1023, and the data of 2.4G transmission circuit 1024 transmission is carried out encryption and decryption handle.
Said 13.56M module 103 comprises 13.56M control circuit 1031,13.56M transmission circuit 1032 and 13.56M antenna 1033; Said 13.56M control circuit 1031 intercoms with 13.56M transmission circuit 1032 mutually; And control 13.56M transmission circuit 1032 transceive data; Said 13.56M transmission circuit 1032 receives the 13.56M signal of card reader 20 transmissions of 13.56M antenna 1033 receptions; And send 13.56M control circuit 1031 feedacks and transfer to 13.56M antenna 1033, said 13.56M antenna 1033 receives the 13.56M signal that card reader 20 is sent, and 13.56M transmission circuit 1032 feedacks are sent to card reader 20.
During concrete communication; 2.4G card reader 20 is constantly sent magnetic signal; The radio-frequency unit 10 of the utility model passes through the size that magnetic circuit detects induced voltage near the process of card reader 20; If inductive voltage value reaches the 2.4G module that preset thresholding 1 activates radio-frequency unit 10, otherwise radio-frequency unit 10 is in dormant state.Radio-frequency unit 10 continues near card reader 20, if the inductive voltage value that detects reaches preset thresholding 2, starts transaction, through 2.4G radio-frequency channel transmission interaction data.In process of exchange, radio-frequency unit constantly detects the size of induced voltage, if inductive voltage value less than thresholding 1, abort transactoin immediately then guarantees the controllability and the security that improves system of distance.
Like Fig. 1,2, shown in 3; When the radio-frequency unit of specific embodiment 2 described a kind of integrated 13.56M and 2.4G card is communicated by letter with 2.4G two-band card reader with 13.56M; The radio-frequency unit of the utility model specific embodiment 2 described a kind of integrated 13.56M and 2.4G card; 2.4G the module WV is provided after rectification, Filtering Processing by 13.56M antenna coupled voltages, comprises the preposition module of 2.4G 101,13.56M module 103 and 2.4G module 102;
Said 2.4G module 102 is through preposition module 101 of 2.4G and terminal device two-way communication;
Said 2.4G module 102 communicates with 2.4G frequency range card reader;
Said 13.56M module 103 communicates with 13.56M frequency range card reader.
The preposition module 101 of said 2.4G comprises interface module 1011, power module 1013 and secure data card identification module 1012, and said interface module 1011 is connected with terminal device, accomplishes the electrical connection of radio-frequency unit and terminal device and communicates by letter; Said power module 1013 charges through the electric current that interface module 1011 receiving terminal apparatus provide, and is connected with 2.4G module 102; Said secure data card identification module 1012 respectively with interface module 1011 and 102 two-way communications of 2.4G module, said terminal device carries out read-write operation through interface module 1011 and 1012 pairs of 2.4G modules of secure data card identification module 102 successively.
It is that power module 1013 charges that said terminal device adopts the mode of constant current, constant voltage through interface module 1011.
Said 2.4G module 102 comprises 2.4G control circuit 1021,2.4G transmission circuit 1024,2.4G antenna 1025, magnetic circuit 1022 and magnetic antenna 1023; Said magnetic antenna 1023 receives the magnetic signal of card reader transmission and converts magnetic signal into electric signal and transfers to magnetic circuit 1022; Said magnetic circuit 1022 receives the electric signal of magnetic antenna 1023 transmission; And electric signal carried out demodulation, analog-to-digital conversion and threshold ratio, said 2.4G control circuit 1021 is according to the size control radio-frequency unit of the electric signal of magnetic circuit 1022 outputs and the distance of card reader; The data that said 2.4G antenna 1025 sends card reader are sent to 2.4G transmission circuit 1024; And 2.4G transmission circuit 1024 feedback data are sent to card reader; The data transmission that said 2.4G transmission circuit 1024 receives 1025 receptions of 2.4G antenna is to 2.4G control circuit 1021; And the interactive information of transmission 2.4G control circuit 1021 feedbacks is to 2.4G antenna 1025; Said 2.4G control circuit 1021 is controlled the work of 2.4G transmission circuit 1024,2.4G antenna 1025, magnetic circuit 1022 and magnetic antenna 1023, and the data of 2.4G transmission circuit 1024 transmission is carried out encryption and decryption handle.
Said 13.56M module 103 comprises 13.56M control circuit 1031,13.56M transmission circuit 1032 and 13.56M antenna 1033; Said 13.56M control circuit 1031 intercoms with 13.56M transmission circuit 1032 mutually; And control 13.56M transmission circuit 1032 transceive data; The 13.56M signal that the card reader that said 13.56M transmission circuit 1032 receives 1033 receptions of 13.56M antenna is sent; And send 13.56M control circuit 1031 feedacks and transfer to 13.56M antenna 1033, said 13.56M antenna 1033 receives the 13.56M signal that card reader is sent, and 13.56M transmission circuit 1032 feedacks are sent to card reader.
More than be merely the preferred embodiment of the utility model, or not all within the spirit and principle of the utility model in order to restriction the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.

Claims (8)

1. the radio-frequency unit of integrated 13.56M and 2.4G card is characterized in that, comprises the preposition module of 2.4G, 13.56M module and 2.4G module;
Said 2.4G module is through preposition module of 2.4G and terminal device two-way communication;
Said 2.4G module and 2.4G frequency range card reader communicate;
Said 13.56M module and 13.56M frequency range card reader communicate.
2. according to the described radio-frequency unit of claim 1; It is characterized in that; The preposition module of said 2.4G comprises interface module, power module and secure data card identification module, and said interface module is connected with terminal device, accomplishes the electrical connection of radio-frequency unit and terminal device and communicates by letter; Said power module charges through the electric current that the interface module receiving terminal apparatus provides, and is connected with the 2.4G module; Said secure data card identification module respectively with interface module and the two-way communication of 2.4G module, the instruction of said interface module receiving terminal apparatus transfers to secure data card identification module, and according to instruction the 2.4G module is carried out read-write operation.
3. according to the described radio-frequency unit of claim 2, it is characterized in that said interface module provides the power supply of constant current, constant voltage, and power module is charged.
4. according to claim 1 or 2 described radio-frequency units; It is characterized in that; Said 2.4G module comprises 2.4G control circuit, 2.4G transmission circuit, 2.4G antenna, magnetic circuit and magnetic antenna, and said magnetic antenna receives the magnetic signal of card reader transmission and converts magnetic signal into electric signal and transfers to magnetic circuit, and said magnetic circuit receives the electric signal of magnetic antenna transmission; And electric signal carried out demodulation, analog-to-digital conversion and threshold ratio, said 2.4G control circuit receives the signal of magnetic circuit output; The data that said 2.4G antenna receives the card reader transmission are sent to the 2.4G transmission circuit; And 2.4G transmission circuit feedback data is sent to card reader; The data transmission that said 2.4G transmission circuit receives the 2.4G antenna is to the 2.4G control circuit; And the interactive information of sending 2.4G control circuit feedback is to the 2.4G antenna, and said 2.4G control circuit carries out encryption and decryption with the data of 2.4G transmission circuit transmission to be handled.
5. according to claim 1 or 2 described radio-frequency units; It is characterized in that; Said 13.56M module comprises 13.56M control circuit, 13.56M transmission circuit and 13.56M antenna, and said 13.56M control circuit intercoms with the 13.56M transmission circuit mutually, and control 13.56M transmission circuit transceive data; The 13.56M signal that said 13.56M transmission circuit transmission 13.56M antenna receives; And send 13.56M control circuit feedack and transfer to the 13.56M antenna, said 13.56M antenna receives the 13.56M signal, and 13.56M transmission circuit feedack is sent to card reader.
6. according to each described radio-frequency unit of claim 1 to 3, it is characterized in that said 13.56M module is the 13.56M module for power supply from the voltage that the coupling of 13.56M frequency range card reader obtains.
7. according to each described radio-frequency unit of claim 1 to 3, it is characterized in that said 13.56M module is 13.56M module and 2.4G module for power supply from the voltage that the coupling of two-band card reader obtains.
8. according to claim 2 or 3 each described radio-frequency units, it is characterized in that said power module is the 2.4G module for power supply.
CN 201120502136 2011-12-06 2011-12-06 Radio frequency device integrating 13.56M and 2.4G cards Expired - Lifetime CN202584154U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201120502136 CN202584154U (en) 2011-12-06 2011-12-06 Radio frequency device integrating 13.56M and 2.4G cards

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Application Number Priority Date Filing Date Title
CN 201120502136 CN202584154U (en) 2011-12-06 2011-12-06 Radio frequency device integrating 13.56M and 2.4G cards

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103854002A (en) * 2014-02-28 2014-06-11 青岛英飞凌电子技术有限公司 Multi-model card read-write device
CN110267278A (en) * 2019-05-10 2019-09-20 何嘉庆 The whole network leads to full real-time adaptive signal stabilization device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103854002A (en) * 2014-02-28 2014-06-11 青岛英飞凌电子技术有限公司 Multi-model card read-write device
CN110267278A (en) * 2019-05-10 2019-09-20 何嘉庆 The whole network leads to full real-time adaptive signal stabilization device
CN110267278B (en) * 2019-05-10 2023-01-10 何嘉庆 Full-network full-real-time self-adaptive signal stabilizing device

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CX01 Expiry of patent term

Granted publication date: 20121205

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