CN202306605U

CN202306605U - Non-contact integrated circuit (IC) card with voice frequency interface

Info

Publication number: CN202306605U
Application number: CN201120413035XU
Authority: CN
Inventors: 吴俊�; 罗雯
Original assignee: SHANGHAI COS SOFTWARE Inc
Current assignee: SHANGHAI COS SOFTWARE Inc
Priority date: 2011-10-26
Filing date: 2011-10-26
Publication date: 2012-07-04
Anticipated expiration: 2021-10-26

Abstract

A non-contact integrated circuit (IC) card with a voice frequency interface belongs to the technical field of wireless communication and comprises the voice frequency interface, a voice frequency communication coder, a non-contact IC card and an antenna coil. The voice frequency interface is respectively connected with a mobile phone and the voice frequency communication coder, the voice frequency communication coder is connected with the non-contact IC card, the antenna is arranged outside the voice frequency communication coder and the non-contact IC card and connected with the non-contact IC card. The non-contact IC card is small in size and convenient to use and is in plug and play mode on the mobile phone voice frequency interface. The non-contact IC card can be combined with software matched with a mobile phone to achieve encryption identity authentication based on applications such as mobile phone banks, mobile phone payment and electronic commerce, and the preset non-contact IC card can serve as a non-contact IC card different in nature to conduct card swiping consumption on a non-contact terminal.

Description

Contactless IC card with COBBAIF

Technical field

The utility model relates to a kind of device of wireless communication technology field, specifically is a kind of contactless IC card with COBBAIF.

Background technology

The digital certificate that Web bank, ecommerce at present used all is USB Key usually, adopts USB interface to link to each other with PC.Along with popularizing of mobile technology, increasing application need realizes being equal to the encrypting and authenticating function of USB Key on mobile phone.But because mobile phone does not generally have USB HOST interface; USB Key can not directly link to each other with mobile phone; Therefore much all adopt password or document certificate mode, aspect security, can not show a candle to the safe of hardware keys device based on Mobile banking, the E-business applications of mobile phone.

At the mobile payment technical elements; The technical scheme that two kinds of main flows are arranged in the market: based on the NFC (closely noncontact of Near Field Communication) of 13.56M SWP agreement with based on the double-interface card of 13.56M 14443 agreements; This dual mode all is that radio frequency chip is integrated on SIM; Realize information transmission through radio frequency signal, difference is that the NFC scheme needs transform mobile phone, and the increase radio-frequency antenna can come into operation; And two interfaces scheme carries antenna, need not to transform mobile phone.

13.56M is clearly as national mobile payment standard bands at present; Can be widely used in contactless communication fields such as finance, traffic, social security, government, citizen's card; Its technology maturity, security are fully proved, but because all there is certain defective in above two kinds of schemes, the former relates to the mobile phone terminal transformation; Make industrial chain each side interests integrate than difficult, the service deployment cycle is very long; The latter's suitability receives the influence of mobile phone material, and user experience is relatively poor, does not therefore occur large-scale commercial case at home temporarily.

Retrieval through to prior art is found; Chinese patent document number CN1845184, open day 2006-10-11 has put down in writing " a kind of intelligent cipher key equipment with electronic purse function "; This technology comprises usb communication module, cpu controller module, stored value card firmware stores module, intelligent key data storage module; Wherein the usb communication module connects the cpu controller module, the data that CPU control usb communication module received and sent USB interface, and explain decoding; CPU control module 5 connects stored value card firmware stores module and intelligent key data storage module respectively, and the stored value card firmware program that CPU control module 5 is carried out in the stored value card firmware stores module is accomplished the also transaction order of response terminal of reception; Intelligent key data storage module is the storer that the power down of preservation identity identification information and Transaction Information is not lost.But this technology can only be used possessing on the PC of USB interface, does not possess portability, can not on portable terminal such as mobile phone, use, and can not satisfy more that Mobile banking uses, the E-business applications function.

The utility model content

The utility model provides a kind of contactless IC card with COBBAIF to the above-mentioned deficiency that prior art exists, and this equipment compact volume and convenience is carried, plug and play on the handset audio interface.The software supporting through mobile phone combines, and both can realize paying on the contact line based on application such as Mobile banking, mobile-phone payment, ecommerce, and its contactless IC card that presets also can be used as a different in nature contactless IC card, connects bankcard consumption on the terminal non-.

The utility model is realized through following technical scheme; The utility model comprises: COBBAIF, voice communication scrambler, contactless IC card and aerial coil; Wherein: COBBAIF links to each other with the voice communication scrambler with mobile phone respectively; The voice communication scrambler links to each other with contactless IC card, and aerial coil is arranged at the outside of voice communication scrambler and contactless IC card and links to each other with contactless IC card.

Compared with prior art, the advantage of the utility model is: adopt General Audio interface transmission technology applicable to any mobile phone terminal.Different with personal computer; There is not unified USB interface in field of mobile phones; Even identical manufacturer is also different for its data interaction interface of mobile phone of different model, so prior USB interface electronic wallet device can't directly be used for mobile phone terminal.The utility model can well overcome the above problems.

Description of drawings

Fig. 1 is the utility model synoptic diagram;

Among the figure: 1 COBBAIF, 2 voice communication scramblers, 3 contactless IC cards, 4 aerial coils, 5 mobile phones, 6 batteries, the 7 non-card-reading apparatus that connect.

Embodiment

Embodiment in the face of the utility model elaborates down; Present embodiment is being to implement under the prerequisite with the utility model technical scheme; Provided detailed embodiment and concrete operating process, but the protection domain of the utility model is not limited to following embodiment.

Embodiment

As shown in Figure 1; Present embodiment comprises: COBBAIF 1, voice communication scrambler 2, contactless IC card 3 and aerial coil 4; Wherein: COBBAIF 1 links to each other with voice communication scrambler 2 with mobile phone 5 respectively; Voice communication scrambler 2 links to each other with contactless IC card 3, and aerial coil 4 is arranged at the outside of voice communication scrambler 2 and contactless IC card 3 and links to each other with contactless IC card 3.

When this device is connected with mobile phone 5; Its audio input interface is connected with the earphone interface of mobile phone 5, and its audio output interface is connected with Mike's interface of mobile phone 5, and mobile phone 5 sends to the audio input interface that links to each other with earphone interface through earphone interface with the sound signal of representative data; After this device receives sound signal; 2 pairs of sound signals of voice communication scrambler through in this device are carried out analog to digital conversion, and the digital signal after the conversion will be transferred to the CPU control module in the device, and this module is responsible for the data logic is carried out distribution processor; Use if data belong to non-contact IC, then be distributed to contactless IC card 3 and handle; If data belong to the safe key processing module, then be distributed to this module and handle.

When the utility model device need be when mobile phone 5 sends data; Data are sent through contactless IC card 3 or safe key processing module; After the CPU control module, be transferred to voice communication scrambler 2, voice communication scrambler 2 encode and digital-to-analog conversion after form sound signal, the audio output interface through this device sends to sound signal the mobile phone 5 Mike's interfaces that link to each other with this interface; After mobile phone 5 is received sound signal, handle by internal audio frequency encoding and decoding software.

When this device near non-when connecing card-reading apparatus 7; The non-card-reading apparatus 7 that connects produces radio frequency signal with the aerial coil 4 that is arranged in this equipment through radiowave or electromagnetic field inducing mode; The APDU instruction that will meet 14443 agreements through aerial coil 4 is transferred to the utility model device contactless IC card 3, and this module returns to aerial coil 4 with result.

Claims

1. contactless IC card data transmission device based on audio frequency; It is characterized in that; Comprise: COBBAIF, voice communication scrambler, contactless IC card and aerial coil; Wherein: COBBAIF links to each other with the voice communication scrambler with mobile phone respectively, and the voice communication scrambler links to each other with contactless IC card, and aerial coil is arranged at the outside of voice communication scrambler and contactless IC card and links to each other with contactless IC card.