CN201622585U - A portable read-write device for radio frequency cards - Google Patents
A portable read-write device for radio frequency cards Download PDFInfo
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- CN201622585U CN201622585U CN201020164976XU CN201020164976U CN201622585U CN 201622585 U CN201622585 U CN 201622585U CN 201020164976X U CN201020164976X U CN 201020164976XU CN 201020164976 U CN201020164976 U CN 201020164976U CN 201622585 U CN201622585 U CN 201622585U
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- radio frequency
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Abstract
Disclosed hereby is a portable read-write device for radio frequency cards, which relates to the technological field of radio frequency cards. The device tries to overcome the shortcomings of the traditional read-write devices, for instance, the difficulties to be carried around and the inconvenience to be used. The device comprises a main controller, a security model, a read-write chip for a radio frequency cards, an antenna as well as a tuned circuit. Further included in this device are a USB communication chip and a USB connector. The first sending and receiving interface of the said main controller is connected with the security model and so does the USB communication interface to the USB connector via the communication chip. The interface of the read-write chip contained in the radio frequency cards is connected to an antenna as well as to a tuned circuit, and the sending and receiving interface thereof is connected with the second data sending and receiving interface of the main controller. The power pins of the said USB connector are connected to the USB communication chip, the main controller, the security model and the power pins for the read-write chip contained in the radio frequency cards. The present utility model provided hereby is very convenient to carry around and use.
Description
Technical field
The utility model relates to the technology of contact type intelligent card, particularly relates to a kind of technology of portable contactless smart card read-write device.
Background technology
Contact type intelligent card claims radio-frequency card again, it is a new technology that grows up recent years in the world, it successfully combines REID and smart card techniques, and solved passive (non-transformer in the card) and contacted this difficult problem with exempting from, be a quantum jump of field of electronic devices.
During the contact type intelligent card read-write, carry out bidirectional data transfers with half-duplex mode between contactless smart card and the read write line, the information that card reader will send control module (main frame), be carried in after encoded on the carrier signal of a certain frequency and outwards send through antenna, and in carrier signal, also include power supply signal, after the contactless smart card that enters the card reader perform region receives carrier signal, produce resonance with the L/C of itself, produce a transient energy and supply with chip operation, thereby provide power supply to contactless smart card, interlock circuit in the card in the chip is modulated the carrier signal that receives, decoding, deciphering, then to command request, password, authorities etc. are judged, and make response, thereby realize the read-write control of contact type intelligent card.
Existing non-contact intelligent card reader all is fixedly mounted on particular place, its interface all is special-purpose, and each read write line all must dispose a power module, therefore the user can't be in or long-range consumption is carried out with contactless smart card in nonspecific place such as office, and contactless smart card to fill money also pretty troublesome, need special trip to go to the specific money point that fills and fill money, use very inconvenient.
The utility model content
At the defective that exists in the above-mentioned prior art, technical problem to be solved in the utility model provides a kind of use and easy to carry, can be in or the portable contactless smart card read-write device of read-write operation is carried out in nonspecific place such as office to contactless smart card.
In order to solve the problems of the technologies described above, a kind of portable contactless smart card read-write device provided by the utility model, comprise master controller, security module, contact type intelligent card read-write chip, antenna and tuned circuit, it is characterized in that: also comprise USB communication chip and USB connector;
Described master controller is provided with the first data transmit-receive interface, the second data transmit-receive interface and USB communication interface, and its first data transmit-receive interface connects security module, and its USB communication interface connects the USB connector through the USB communication chip;
Described contact type intelligent card read-write chip is provided with antennal interface and data transmit-receive interface, and its antennal interface connects antenna and tuned circuit, and its data transmit-receive interface connects the second data transmit-receive interface of master controller;
The power pin of described USB connector is connected to the power pin of USB communication chip, master controller, security module and contact type intelligent card read-write chip.
Further, described master controller and security module are integrated in the same safety chip.
The portable contactless smart card read-write device that the utility model provides, the power supply of introducing computing machine by the USB connector is this device power supply, master controller is by USB mode and outer computer communication, relend and help computing machine connection remote server can carry out the long-range consumption of contactless smart card easily or fill money, can be in or office etc. has the nonspecific place of computing machine to use, and it is simple in structure, and volume is little, carries also very convenient.
Description of drawings
Fig. 1 is the structured flowchart of the portable contactless smart card read-write device of the utility model embodiment;
Fig. 2 is the circuit diagram of the portable contactless smart card read-write device of the utility model embodiment.
Embodiment
Below in conjunction with description of drawings embodiment of the present utility model is described in further detail, but present embodiment is not limited to the utility model, every employing analog structure of the present utility model and similar variation thereof all should be listed protection domain of the present utility model in.
As Fig. 1-shown in Figure 2, a kind of portable contactless smart card read-write device that the utility model embodiment is provided, comprise master controller U2, security module U1, contact type intelligent card read-write chip U104, antenna and tuned circuit U5, described master controller U2 and security module U1 are integrated among the same safety chip U102; It is characterized in that: also comprise USB communication chip U101 and USB connector J101;
Described master controller U2 is provided with the first data transmit-receive interface, the second data transmit-receive interface and USB communication interface, and its first data transmit-receive interface connects security module U1, and its USB communication interface connects USB connector J101 through USB communication chip U101;
Described contact type intelligent card read-write chip U104 is provided with antennal interface and data transmit-receive interface, and its antennal interface connects antenna and tuned circuit U5, and its data transmit-receive interface connects the second data transmit-receive interface of master controller U2;
The power pin Vbus of described USB connector J101 is connected to the power pin of USB communication chip U101, master controller U2, security module U1 and contact type intelligent card read-write chip U104;
The model of described safety chip U102 is SSX20;
The model of described contact type intelligent card read-write chip U104 is PN532;
Described antenna and tuned circuit U5 comprise inductance L 107, capacitor C 110, C111, C112, C113, C114, C115, C116, resistance R 110, R111, R112;
During the utility model embodiment practical application, master controller U2 and security module U1 also can be two separate chip blocks;
When the utility model uses, J101 is plugged on the computing machine with the USB connector, USB connector J101 is USB communication chip U101 by the power supply that its power pin Vbus introduces computing machine, master controller U2, security module U1 and contact type intelligent card read-write chip U104 power supply, be connected to remote server by computer networking again, then contact type intelligent card is pressed close to antenna, when antenna is sensed contact type intelligent card, the information that is about to contact type intelligent card sends the contact type intelligent card read-write chip to, the contact type intelligent card read-write chip sends master controller to after the information of contact type intelligent card is handled, master controller arrives security module with the message transport of contact type intelligent card again, security module returns to master controller after the information of contact type intelligent card is encrypted, information after master controller will be encrypted sends computing machine to via the USB communication chip, computing machine carries out the transaction data exchange by network and remote server, and send the return data of remote server to master controller via the USB communication chip, the return data that master controller is sent computing machine here again transfers to security module, security module returns to master controller after it is decrypted again, master controller is again through the contact type intelligent card read-write chip, antenna and tuned circuit write contact type intelligent card with data, thereby realize the money of filling to card, and will fill the successful transaction record of money via the USB communication chip, deliver to remote server on the computing machine, and then finish and once effectively fill the money transaction.
Claims (2)
1. a portable contactless smart card read-write device comprises master controller, security module, contact type intelligent card read-write chip, antenna and tuned circuit, it is characterized in that: also comprise USB communication chip and USB connector;
Described master controller is provided with the first data transmit-receive interface, the second data transmit-receive interface and USB communication interface, and its first data transmit-receive interface connects security module, and its USB communication interface connects the USB connector through the USB communication chip;
Described contact type intelligent card read-write chip is provided with antennal interface and data transmit-receive interface, and its antennal interface connects antenna and tuned circuit, and its data transmit-receive interface connects the second data transmit-receive interface of master controller;
The power pin of described USB connector is connected to the power pin of USB communication chip, master controller, security module and contact type intelligent card read-write chip.
2. device according to claim 1 is characterized in that: described master controller and security module are integrated in the same safety chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020164976XU CN201622585U (en) | 2010-04-20 | 2010-04-20 | A portable read-write device for radio frequency cards |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020164976XU CN201622585U (en) | 2010-04-20 | 2010-04-20 | A portable read-write device for radio frequency cards |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201622585U true CN201622585U (en) | 2010-11-03 |
Family
ID=43026044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020164976XU Expired - Lifetime CN201622585U (en) | 2010-04-20 | 2010-04-20 | A portable read-write device for radio frequency cards |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201622585U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111402831A (en) * | 2020-04-23 | 2020-07-10 | 溢洋光电（深圳）有限公司 | Card of embedded bistable liquid crystal low-power consumption flexible display unit |
-
2010
- 2010-04-20 CN CN201020164976XU patent/CN201622585U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111402831A (en) * | 2020-04-23 | 2020-07-10 | 溢洋光电（深圳）有限公司 | Card of embedded bistable liquid crystal low-power consumption flexible display unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101103 |