CN203070322U - Contact IC card read-write device based on audio interface - Google Patents
Contact IC card read-write device based on audio interface Download PDFInfo
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- CN203070322U CN203070322U CN 201320049356 CN201320049356U CN203070322U CN 203070322 U CN203070322 U CN 203070322U CN 201320049356 CN201320049356 CN 201320049356 CN 201320049356 U CN201320049356 U CN 201320049356U CN 203070322 U CN203070322 U CN 203070322U
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Abstract
The utility model relates to apparatuses used in the technical field of radio communication, especially to a contact IC card read-write device based on an audio interface, and the device facilitates fee-paying of a user through utilization of a mobile phone. The contact IC card read-write device comprises a shell of the device and a reader-writer. The reader-writer comprises the audio interface, an audio coding and decoding unit, a micro-control unit, a security chip and an IC card interface, wherein the audio interface is respectively connected with an earphone jack of a smartphone and with the audio coding and decoding unit, the audio coding and decoding unit is connected with the micro-control unit, the audio interface and the micro-control unit are respectively connected with the security chip, and the security chip is connected with the IC card interface. The utility model has the following advantages and beneficial effects: 1, a user can use his mobile phone for contact IC card reading-writing so as to realize public service pay; and 2, data security is guaranteed by using the built-in security chip.
Description
Technical field
The utility model relates to the device in a kind of radio communication technology field, relates in particular to by utilizing mobile phone to make things convenient for a kind of Contact Type Ic Card read-write equipment based on audio interface of subscriber payment.
Background technology
Paying the fees of public utilities industry such as electric power, tap water, rock gas are major issues that affects the livelihood of every family.For many years, for convenient subscriber payment, done the work of a lot of aspects.Still can't accomplish convenient paying the fees whenever and wherever possible at present, therefore, provide a kind of pay charge way that adapts to the current mobile Internet epoch to become a kind of urgent demand.
The read-write equipment of existing contact IC-card, not only volume is big, and all is to use USB interface or serial ports to be connected and communication with PC mostly, and convenience is not enough, price is higher.So greatly limited its possibility of promoting huge numbers of families.
Arrival along with the mobile Internet epoch, mobile phone becomes the popular new mode that inserts the internet, develop a kind of can the connection with mobile phone, volume is small and exquisite, and the read-write equipment of the Contact Type Ic Card of quick and safe is paid the fees, and becomes a kind of an urgent demand that the user experiences of improving service quality, further improve, in addition, because some objective factors in radio communication technology field also need safety encipher and deciphering are carried out in the read-write of Contact Type Ic Card at present, really allow the user accomplish the use that safety is relieved.
Summary of the invention
Technical problem to be solved in the utility model is to propose an a kind of Contact Type Ic Card read-write equipment based on audio interface for the mobile phone use with standard audio interface, built-in safety chip, IC-card literacy.Its strong security simple in structure, easy to use, safe has overcome the deficiency that prior art exists.
The utility model is achieved through the following technical solutions, and comprises apparatus casing, audio interface, audio coding decoding unit, micro-control unit, safety chip and IC-card interface;
Wherein, audio interface is connected with the audio coding decoding unit with the earpiece holes of smart mobile phone respectively, and the audio coding decoding unit is connected with micro-control unit, and audio interface is connected with safety chip respectively with micro-control unit, and safety chip is connected with the IC-card interface.
Described audio interface provides power supply and carries out transmission of audio signals for micro-control unit;
Described audio coding decoding unit connects audio interface and micro-control unit, and audio analog signals and digital signal are changed mutually;
Described safety chip is connected with micro-control unit, and the data that send are encrypted, and the data that receive are decrypted.
In like manner, read IC-card information by the IC-card interface, use safety chip to be encrypted, send to the audio coding decoding unit; Described IC-card interface is used for fixing the IC-card of insertion, connects described Contact Type Ic Card read-write equipment and IC-card.
Described Contact Type Ic Card read-write equipment will write by described IC-card interface in the described IC-card of insertion after will using safety chip to be decrypted from the data of audio signal digit chromacoder.
Read the information of described IC-card by described IC-card interface, use safety chip to be encrypted, send to described audio coding decoding unit.
The utlity model has following advantage and good effect:
1. can realize that the user uses mobile phone to carry out the Contact Type Ic Card read-write, carries out public utilities and pays;
2. by built-in guaranteeing data security property of safety chip.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to restriction of the present utility model.
Fig. 1 is that the utility model is to Contact Type Ic Card read-write operation view;
Fig. 2 is the utility model circuitry block diagram;
Fig. 3 is the schematic appearance of the utility model apparatus embodiments.
Reference numeral is:
1. user mobile phone;
2. voice communication link;
3. read write line;
4.7816 communication link;
5.IC card;
6. audio interface;
7. audio coding decoding unit;
8. micro-control unit (MCU);
9. safety chip;
10.IC clamping mouth;
11. apparatus casing.
Embodiment
The utility model comprises apparatus casing 11 and read write line 3,
Described read write line 3 includes audio interface 6, audio coding decoding unit 7, micro-control unit 8, safety chip 9 and IC-card interface 10;
Wherein, audio interface 6 is connected with audio coding decoding unit 7 with the earpiece holes of smart mobile phone respectively, audio coding decoding unit 7 is connected with micro-control unit 8, and audio interface 6 is connected with safety chip 9 respectively with micro-control unit 8, and safety chip 9 is connected with IC-card interface 10.
Described audio interface 6 provides power supply and carries out transmission of audio signals for micro-control unit 8;
Described audio coding decoding unit 7 connects audio interface 6 and micro-control unit 8, and audio analog signals and digital signal are changed mutually;
Described safety chip 9 is connected with micro-control unit 8, and the data that send are encrypted, and the data that receive are decrypted.
In like manner, read IC-card information by IC-card interface 10, use safety chip 9 to be encrypted, send to audio coding decoding unit 7; Described IC-card interface 10 is used for fixing the IC-card of insertion, connects described Contact Type Ic Card read-write equipment and IC-card.
Described Contact Type Ic Card read-write equipment will write by described IC-card interface 10 in the described IC-card of insertion after will using safety chip 9 to be decrypted from the data of audio signal digit chromacoder.
Read the information of described IC-card by described IC-card interface 10, use safety chip 9 to be encrypted, send to described audio coding decoding unit 7.
With reference to the accompanying drawings, utilize the Contact Type Ic Card read-write equipment of above-mentioned audio interface, by the earpiece holes of smart mobile phone, be primarily aimed at the safe read-write that IC-card is realized data.Carry out the read-write of IC-card according to following steps:
The first step is inserted the audio interface 6 of IC-card read-write equipment described in the utility model the earpiece holes of smart mobile phones.
In second step, the IC-card 5 that the user is used inserts IC-card interface 10 of the present utility model.
In the 3rd step, smart mobile phone is read write line 3 and inner each functional device and IC-card 5 power supplies by audio interface 6.
The 4th step, initiated by smart mobile phone, the read-write card instruction is sent to audio coding decoding unit 7 by audio interface 6 simulating signal is changed into digital signal, send to micro-control unit 8, again instruction is sent to safety chip 9 and carry out safety certification.
In the 5th step, micro-control unit 8 writes IC-card 5 with related data by IC-card interface 10 according to through the instruction after the authentication, finally writes the result and feeds back in the smart mobile phone.
Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (4)
1. Contact Type Ic Card read-write equipment based on audio interface is characterized in that: comprise apparatus casing (11) and read write line (3),
Described read write line (3) includes audio interface (6), audio coding decoding unit (7), micro-control unit (8), safety chip (9) and IC-card interface (10);
Wherein, audio interface (6) is connected with audio coding decoding unit (7) with the earpiece holes of smart mobile phone respectively, audio coding decoding unit (7) is connected with micro-control unit (8), micro-control unit (8) is connected with IC-card interface (10), and audio interface (6) is connected with safety chip (9) respectively with micro-control unit (8).
2. a kind of Contact Type Ic Card read-write equipment based on audio interface according to claim 1, it is characterized in that: described audio interface (6) provides power supply and carries out transmission of audio signals for micro-control unit (8);
Described audio coding decoding unit (7) connects audio interface (6) and micro-control unit (8), and audio analog signals and digital signal are changed mutually;
Described safety chip (9) is connected with micro-control unit (8), and the data that send are encrypted, and the data that receive are decrypted;
In like manner, read IC-card information by IC-card interface (10), use safety chip (9) to be encrypted, send to audio coding decoding unit (7); Described IC-card interface (10) is used for fixing the IC-card of insertion, connects described Contact Type Ic Card read-write equipment and IC-card.
3. a kind of Contact Type Ic Card read-write equipment based on audio interface according to claim 1, it is characterized in that: described Contact Type Ic Card read-write equipment will write by described IC-card interface (10) in the described IC-card of insertion after will using safety chip (9) to be decrypted from the data of audio signal digit chromacoder.
4. a kind of Contact Type Ic Card read-write equipment based on audio interface according to claim 1, it is characterized in that: the information that reads described IC-card by described IC-card interface (10), use safety chip (9) to be encrypted, send to described audio coding decoding unit (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320049356 CN203070322U (en) | 2013-01-30 | 2013-01-30 | Contact IC card read-write device based on audio interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320049356 CN203070322U (en) | 2013-01-30 | 2013-01-30 | Contact IC card read-write device based on audio interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203070322U true CN203070322U (en) | 2013-07-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320049356 Expired - Fee Related CN203070322U (en) | 2013-01-30 | 2013-01-30 | Contact IC card read-write device based on audio interface |
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| Country | Link |
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| CN (1) | CN203070322U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103810591A (en) * | 2014-02-28 | 2014-05-21 | 国家电网公司 | Power purchasing method for mobile phone and portable IC card reader thereof |
| CN105279545A (en) * | 2014-07-15 | 2016-01-27 | 深圳市万通顺达科技发展有限公司 | Traffic card based on audio port communication |
| CN105913557A (en) * | 2016-04-05 | 2016-08-31 | 北京融通高科科技发展有限公司 | Read-write method, device for contact-type smart card for communication of audio frequency port and power selling method |
| CN107539271A (en) * | 2017-08-22 | 2018-01-05 | 济宁中科先进技术研究院有限公司 | Low-power consumption high safety vehicle anti-theft tracing system and its method |
-
2013
- 2013-01-30 CN CN 201320049356 patent/CN203070322U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103810591A (en) * | 2014-02-28 | 2014-05-21 | 国家电网公司 | Power purchasing method for mobile phone and portable IC card reader thereof |
| CN105279545A (en) * | 2014-07-15 | 2016-01-27 | 深圳市万通顺达科技发展有限公司 | Traffic card based on audio port communication |
| CN105913557A (en) * | 2016-04-05 | 2016-08-31 | 北京融通高科科技发展有限公司 | Read-write method, device for contact-type smart card for communication of audio frequency port and power selling method |
| CN107539271A (en) * | 2017-08-22 | 2018-01-05 | 济宁中科先进技术研究院有限公司 | Low-power consumption high safety vehicle anti-theft tracing system and its method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20190130 |