CN207182386U - A kind of smart card - Google Patents
A kind of smart card Download PDFInfo
- Publication number
- CN207182386U CN207182386U CN201721316258.8U CN201721316258U CN207182386U CN 207182386 U CN207182386 U CN 207182386U CN 201721316258 U CN201721316258 U CN 201721316258U CN 207182386 U CN207182386 U CN 207182386U
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- CN
- China
- Prior art keywords
- smart card
- optical
- communication module
- light
- safety chip
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- 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.)
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Abstract
This application provides a kind of smart card, is limited to solve the problems, such as that the communication modes of smart card in correlation technique cause smart card to be used in special occasions.Disclosed smart card includes：Smart card body and smart card circuitry；Smart card circuitry is arranged in smart card body, and smart card circuitry includes optical communication module and safety chip；Wherein, optical communication module is connected with safety chip, and optical communication module includes optical receiver and optical transmitting set.The smart card does not produce electromagnetic interference when communicating, and can be applied to the exclusive occasion of electromagnetic interference.
Description
Technical field
Technical field of intelligent card is the utility model is related to, in particular to a kind of smart card.
Background technology
At present, by increasing wireless communication module on smart cards, it can cause smart card that there is wireless communication function, one
As have WiFi, bluetooth, GPRS (General Packet Radio Service, general packet using twireless radio-frequency communication mode
Wireless service technology) and 3G/4G etc., however, these communication modes need to take radio band, and electromagnetic interference can be produced,
Some occasions to the strict limitation of electromagnetic interference, such as hospital etc., smart card are then not suitable for being communicated using these modes.
Utility model content
This application provides a kind of smart card, causes smart card to exist to solve the communication modes of smart card in correlation technique
The problem of special occasions is using being limited.
According to the one side of the application, there is provided a kind of smart card, including：Smart card body and smart card circuitry；
The smart card circuitry is arranged in the smart card body, and the smart card circuitry includes optical communication module and safe core
Piece；Wherein, the optical communication module is connected with safety chip, and the optical communication module includes optical receiver and optical transmitting set.
Alternatively, the optical communication module also includes：Encoder, modulator, decoder and demodulator；The encoder
Input be connected with the safety chip, the output end of the encoder is connected with the input of the modulator, the tune
The output end of device processed is connected with the input of the optical transmitting set；The optical receiver is connected with the input of the demodulator,
The output end of the demodulator is connected with the input of the decoder, the output end of the decoder and the safety chip phase
Even.
Alternatively, the smart card also includes power supply, and the power supply is powered for the smart card circuitry.
Alternatively, the optical communication module receives and sent the optical signal of visible light frequency band.
Alternatively, the optical communication module receives and sent the optical signal of black light frequency range.
Alternatively, the optical transmitting set is single light emitting devices or the optical transmitting set battle array being made up of multiple optical transmitting sets
Row.
Alternatively, the optical receiver is single light receiving element or the optical receiver battle array being made up of multiple optical receivers
Row.
Alternatively, the smart card also includes：Light-receiving window, the light-receiving window include light transmission piece and/or optical filtering
Piece.
Alternatively, the light-receiving window is arranged at the surface of the smart card.
Alternatively, the safety chip includes processing unit and memory cell.
The smart card that the embodiment of the present application provides, is communicated using optical signal as carrier with equipment, will not produce electromagnetism and do
Disturb so that the use occasion of the smart card is more extensive.
Brief description of the drawings
, below will be to embodiment or existing in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments described in application, for those of ordinary skill in the art, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the block diagram according to a kind of smart card of the embodiment of the present application；
Fig. 2 is the block diagram according to another smart card of the embodiment of the present application.
Embodiment
With reference to the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu, it is fully described by, it is clear that described embodiment is the utility model part of the embodiment, rather than whole embodiments.
Based on the embodiment in the utility model, those skilled in the art are obtained all under the premise of creative work is not made
Other embodiment, belong to the scope of the utility model protection.
This application provides a kind of smart card, Fig. 1 is the block diagram of the smart card, as shown in figure 1, the smart card is including as follows
Part：
Smart card body 11 and smart card circuitry 12, wherein, smart card circuitry is arranged in smart card body, smart card
Circuit includes optical communication module 121 and safety chip 122；Optical communication module 121 includes optical transmitting set and optical receiver (figure
In be temporarily not shown) be used to the data that send safety chip and be converted into optical signal sending, and the optical signal received is changed
Safety chip is sent to for electric signal.
Alternatively, safety chip 122 is that financial IC card (Integrated Circuit Card, integrated circuit card) is internal
Safety chip, it is internal to have independent processor and memory cell, can store the information such as key, data certificate, can be with
Independently generate key and the Security Authentication Service such as be encrypted, decrypt.
The optical communication module of the embodiment of the present application has the function of reception/transmission visible ray and black light, for connecing
Transmit/receive the optical signal for sending visible light frequency band and the optical signal of black light frequency range.
Fig. 2 shows the schematic diagram for another smart card that the embodiment of the present application provides, as shown in Fig. 2 the smart card is also
Including battery and power management module, power supply is used to power for smart card circuitry.The optical communication module of the smart card is included such as
Lower part：Encoder, modulator, optical transmitting set, decoder, demodulator and optical receiver；Wherein, encoder is used to incite somebody to action
The data of safety chip transmission are converted to the signal form that can be used for communicating, transmit；The input and safety chip of encoder
Data-interface be connected, the output end of encoder is connected with the input of modulator, the output end of modulator and optical transmitting set
Input is connected；Modulator is used to be handled the digital information of encoder output, is added on carrier wave so that information is changed into suitable
The form of transmission is closed, modulation system can use spatial light modulating/demodulating mode, can be analog-modulated, e.g., to light source
Carry out strong modulation；Can also be digital modulation, such as switch control (ook), pulse position modulation (ppm) mode.Light-receiving
The output of device is connected with demodulator, and demodulator is used to convert optical signals to coding information, exports and is decoded to decoder, solves
Code device is used to communicating, the information reverting of transmission coding form can identify the data of form for smart card, decoder output with
The digital interface of safety chip is connected, for transmitting decoded information.
Optical transmitting set in the present embodiment can be single ballistic device, in order to increase launch channel, improve emissivity
Can, the emission array of multiple light courcess form is can also be, optical transmitting set can use light emitting diode or laser etc.；Similarly, light
Receiver can be single receiving device, in order to increase reception channel, improve receptivity, the optical receiver can also be connect
Device array is received, optical receiver can be photodetector.
The smart card of embodiments herein can also include light-receiving window, the light-receiving window include light transmission piece and/
Or optical filter, the light-receiving window is used to receive optical signal, or the optical signal to receiving filters, it is preferable that Ke Yitong
Cross and light transmission piece and/optical filter are embedded on smart card body to realize, the light-receiving window is arranged at the surface of smart card.
The process that the optical communication module of the embodiment of the present application sends data includes：The encoded device of data that safety chip is sent
It is sent into modulator after coding to be modulated, brewed signal is launched by optical transmitting set.Optical communication module receives data
Process include：The optical signal that optical receiver is received is converted to electric signal, by electric signal after enhanced processing, is solved
Adjust, encoded, the coding of acquisition is sent into decoder restores information, by the information transmission restored to safety chip.Light
The working method of communication module can be that transmission/reception while the full-duplex mode carried out or transmission/reception are alternately entered
Row semiduplex mode.
The smart card that the embodiment of the present application provides transmits message using optical signal as carrier, by airspace, is not take up nothing
Line electricity frequency range, no electromagnetic interference, expand the applicable situation of smart card.
Although having been described for the preferred embodiment of the application, those skilled in the art once know basic creation
Property concept, then can make other change and modification to these embodiments.So appended claims be intended to be construed to include it is excellent
Select embodiment and fall into having altered and changing for the application scope.Obviously, those skilled in the art can be to the application
Various changes and modification are carried out without departing from spirit and scope.So, if these modifications and variations of the application
Belong within the scope of the application claim and its equivalent technologies, then the application is also intended to exist comprising these changes and modification
It is interior.
Claims (10)
- A kind of 1. smart card, it is characterised in that including：Smart card body and smart card circuitry；The smart card circuitry is arranged in the smart card body, and the smart card circuitry includes optical communication module and safety Chip；Wherein, the optical communication module is connected with the safety chip, and the optical communication module includes optical receiver and light is launched Device.
- 2. smart card according to claim 1, it is characterised in that the optical communication module also includes：Encoder, modulator, decoder and demodulator；The input of the encoder is connected with the safety chip, the output end of the encoder and the input of the modulator End is connected, and the output end of the modulator is connected with the input of the optical transmitting set；The optical receiver is connected with the input of the demodulator, the output end of the demodulator and the input of the decoder End is connected, and the output end of the decoder is connected with the safety chip.
- 3. smart card according to claim 1, it is characterised in that the smart card also includes power supply, and the power supply is institute State smart card circuitry power supply.
- 4. smart card according to claim 1, it is characterised in that the optical communication module receives and sent visible optical frequency The optical signal of section.
- 5. smart card according to claim 1, it is characterised in that the optical communication module receives and sent black light The optical signal of frequency range.
- 6. smart card according to claim 1, it is characterised in that the optical transmitting set is for single light emitting devices or by more The light emitter arrays of individual optical transmitting set composition.
- 7. smart card according to claim 1, it is characterised in that the optical receiver is for single light receiving element or by more The optical receiver array of individual optical receiver composition.
- 8. smart card according to claim 1, it is characterised in that the smart card also includes：Light-receiving window, the light-receiving window include light transmission piece and/or optical filter.
- 9. smart card according to claim 8, it is characterised in that the light-receiving window is arranged at the table of the smart card Face.
- 10. according to the smart card described in claim 1-9 any one, it is characterised in that it is single that the safety chip includes processing Member and memory cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721316258.8U CN207182386U (en) | 2017-10-12 | 2017-10-12 | A kind of smart card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721316258.8U CN207182386U (en) | 2017-10-12 | 2017-10-12 | A kind of smart card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207182386U true CN207182386U (en) | 2018-04-03 |
Family
ID=61749851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721316258.8U Active CN207182386U (en) | 2017-10-12 | 2017-10-12 | A kind of smart card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207182386U (en) |
-
2017
- 2017-10-12 CN CN201721316258.8U patent/CN207182386U/en active Active
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