CN204498557U - For the intelligent shielding card that anti-signal is stolen - Google Patents
For the intelligent shielding card that anti-signal is stolen Download PDFInfo
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- CN204498557U CN204498557U CN201520222842.1U CN201520222842U CN204498557U CN 204498557 U CN204498557 U CN 204498557U CN 201520222842 U CN201520222842 U CN 201520222842U CN 204498557 U CN204498557 U CN 204498557U
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Abstract
The utility model discloses a kind of intelligent shielding card be stolen for anti-signal, comprises shield card main body, because shield card body interior arranges screened circuit; This screened circuit comprises high frequency signal generator, Signal reception transmitting antenna circuit and frequency selection circuit.Signal reception transmitting antenna circuit comprises the first antenna, the second antenna, diode D1, diode D2.During use, when this shield card is near payment devices, the antenna of the first antenna and the second antenna and payment devices is formed and resonates, and produces magnetic flux, obtains power supply energy, through high frequency signal generator and frequency selection circuit frequency-selecting, launches specific high-power interference signal.When the Payment Card in your hand and shield card are put together, time simultaneously close to payment devices, the high-power high-frequency signal disturbing that the wireless signal conductively-closed card transmitted between Payment Card and payment devices is launched, payment devices is made cannot normally to read Payment Card internal information, realize shielding action, reach prevent the data message in bank card be stolen phenomenon occur Advantageous Effects.
Description
Ji Intraoperative field
The utility model relates to a kind of intelligent shielding card be stolen for anti-signal for electronic information aspect.
Bei Jing Ji Intraoperative
Constantly advance along with society and improve, along with constantly advancing of intellective IC card industry.But microfinance E-Payment and wholesale fund are paid by mails by inexorable trend in people's daily life in bank finance industry.Such as: city one-card or all-in-one campus card.Be easy to occur that safety of payment problem is more and more serious in fund electronic payment process.Such as: carry with that bank card is gratuitous is deducted money or the phenomenon such as stolen brush.This phenomenon mainly because of some lawless persons utilize can the special card reader of wireless signal emission, utilize the chance near the consumer carrying bank card, steal the data message in the bank card of consumer.
Utility model content
In view of this, the technical problems to be solved in the utility model is to provide a kind of avoid preventing the data message in bank card to be stolen intelligent shielding card be stolen for anti-signal that phenomenon occurs.
The utility model solves the problems of the technologies described above adopted a kind of intelligent shielding card be stolen for anti-signal, and it comprises shield card main body, and described shield card body interior is provided with the screened circuit be stolen for anti-stop signal; This screened circuit comprises high frequency signal generator, is arranged at the Signal reception transmitting antenna circuit on signal generator and frequency selection circuit; Described Signal reception transmitting antenna circuit comprises the first antenna be connected on triode Q1 emitter terminal, the second antenna, is connected to the first antenna, the diode D1 on the second antenna, diode D2; The total end of this diode D1, diode D2 is connected with triode Q1 base terminal.
According to above-mentioned technical characteristics, described high frequency signal generator comprises triode Q1, is connected to the inductance L 1 between triode Q1 emitter terminal and base terminal, is connected to the inductance L 2 between triode Q1 collector terminal and base terminal.
According to above-mentioned technical characteristics, described frequency selection circuit comprises the resistance R1 be connected between triode Q1 base terminal and inductance L 2 one end, is connected to the electric capacity C1 at resistance R1 two ends.
According to above-mentioned technical characteristics, described shield card main body comprises the PVC card base being arranged at inner wiring board and being arranged at wiring board upper and lower surface.
The beneficial effects of the utility model: because described shield card body interior is provided with the screened circuit be stolen for anti-stop signal; This screened circuit comprises high frequency signal generator, is arranged at the Signal reception transmitting antenna circuit on signal generator and frequency selection circuit; Described Signal reception transmitting antenna circuit comprises the first antenna be connected on triode Q1 emitter terminal, the second antenna, is connected to the first antenna, the diode D1 on the second antenna, diode D2; The total end of this diode D1, diode D2 is connected with triode Q1 base terminal.During use, when this shield card is near payment devices, the antenna of the first antenna and the second antenna and payment devices is formed and resonates, produce magnetic flux, obtain power supply energy, excite triode Q1 conducting, produce high-frequency signal, by the high-power interference signal of the first and second antenna transmissions.When the Payment Card in your hand and shield card are put together, time simultaneously close to payment devices, the wireless signal that Payment Card and payment devices transmit is subject to the high-frequency high-power signal disturbing that shield card is launched, and makes payment devices cannot normally read Payment Card internal information, thus reaches shielding action.Therefore, reach prevent the data message in bank card be stolen phenomenon occur Advantageous Effects.
Below in conjunction with drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model shield card main body;
Fig. 2 is the schematic diagram of the utility model screened circuit.
Embodiment
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearly, understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Please refer to shown in Fig. 1 and Fig. 2, below in conjunction with specific embodiment, a kind of intelligent shielding card be stolen for anti-signal is described, it screened circuit comprising shield card main body and be arranged at shield card body interior.Described shield card main body comprises the PVC card base 2 being arranged at inner wiring board 1 and being arranged at wiring board 1 upper and lower surface.
This described screened circuit comprises high frequency signal generator, is arranged at the Signal reception transmitting antenna circuit in high frequency signal generator, frequency selection circuit and be arranged at peripheral wireless signal power supply; Described Signal reception transmitting antenna circuit comprises the first antenna be connected on triode Q1 emitter terminal, the second antenna; Be connected to the first antenna, the diode D1 on the second antenna, diode D2; The total end of this diode D1, diode D2 is connected with triode Q1 base terminal.Described high frequency signal generator comprises triode Q1, is connected to the inductance L 1 between triode Q1 emitter terminal and base terminal, is connected to the inductance L 2 between triode Q1 collector terminal and base terminal.Described frequency selection circuit comprises the resistance R1 be connected between triode Q1 base terminal and inductance L 2 one end, is connected to the electric capacity C1 at resistance R1 two ends.Described high frequency signal generator is the card reader for reading bank card internal information, and this card reader and the card reader of prior art carry out docking, and the technology of card reader belongs to prior art.
In the present embodiment, the first described antenna, the second antenna and inductance L 1 are connected on triode Q1 emitter terminal, and described diode D1 is connected with the first antenna, and described diode D2 is connected with the second antenna.Described inductance L 2 one end is connected with resistance R1, and described inductance L 2 one end is connected with triode collection Q1 electrode tip.Described electric capacity C1 one end and diode D1, diode D2 has that end connects, and the described described electric capacity C1 other end and resistance R1 have to hold with inductance L 2 and be connected.
When this shield card is near payment devices, when first antenna and the second antenna induction to extraneous radio source signal, the first then described antenna and the second antenna and radio source signal antenna are formed and resonate, produce magnetic flux, obtain power supply energy, excite described triode Q1 conducting immediately, by described inductance L 1, L2, produce high-frequency interferencing signal, again by described resistance R1, electric capacity C1 frequency selection circuit is chosen and is transmitted, high-frequency high-power interference signal launched by radiating circuit again through described first antenna and the second antenna composition, when the Payment Card in your hand and shield card are put together, time simultaneously close to payment devices, the high-frequency signal transmitted between Payment Card and payment devices is subject to the high-frequency high-power signal disturbing that shield card is launched, payment devices is made cannot normally to read Payment Card internal information, thus reach shielding action.
In the present embodiment, described technical scheme is a kind of shield card main body being specifically designed to shielding wireless signal, when the Payment Card that this shield card main body and user use is put together.Which kind of equipment no matter the signal just conductively-closed at once of described Payment Card, adopt all cannot obtain Payment Card signal, thus guarantee Payment Card safety.Described shield card main body is primarily of PVC card base 2 and wiring board 1 two parts composition.PVC card base 2 mainly protects internal circuit board 1, and this wiring board 1 is core of the present invention, is mainly used in shielding Payment Card signal.The technical program adopts the high-frequency intelligent card wireless signal being specifically designed to shielding 13.56MHz, realizes preventing the object of being stolen card image by lawless person.According to the read-write radio signal frequency of shield card main body, design a kind of high-power interference signal.When Payment Card together with shield card main body close to card reader time, the high-power signal that shield card main body sends will disturb Payment Card, makes it normally read.
In sum, because described shield card body interior is provided with the screened circuit be stolen for anti-stop signal; This described screened circuit comprises high frequency signal generator, is arranged at the Signal reception transmitting antenna circuit in high frequency signal generator, frequency selection circuit and be arranged at peripheral wireless signal power supply; Described Signal reception transmitting antenna circuit comprises the first antenna be connected on triode Q1 emitter terminal, the second antenna; Be connected to the first antenna, the diode D1 on the second antenna, diode D2; The total end of this diode D1, diode D2 is connected with triode Q1 base terminal.During use, when this shield card is near payment devices, the antenna of the first antenna and the second antenna and payment devices is formed and resonates, produce magnetic flux, obtain power supply energy, excite triode Q1 conducting, produce high-frequency signal, by the high-power interference signal of first and second antenna transmission.When the Payment Card in your hand and shield card are put together, time simultaneously close to payment devices, the wireless signal that Payment Card and payment devices transmit is subject to the high-frequency high-power signal disturbing that shield card is launched, and makes payment devices cannot normally read Payment Card internal information, thus reaches shielding action.Therefore, reach prevent the data message in bank card be stolen phenomenon occur Advantageous Effects.
Above with reference to the accompanying drawings of preferred embodiment of the present utility model, not thereby limit to interest field of the present utility model.Those skilled in the art do not depart from any amendment done in scope of the present utility model and essence, equivalent replacement and improvement, all should within interest field of the present utility model.
Claims (4)
1. for the intelligent shielding card that anti-signal is stolen, it comprises shield card main body, it is characterized in that: described shield card body interior is provided with the screened circuit be stolen for anti-stop signal; This screened circuit comprises high frequency signal generator, is arranged at the Signal reception transmitting antenna circuit on signal generator and frequency selection circuit; Described Signal reception transmitting antenna circuit comprises the first antenna be connected on triode Q1 emitter terminal, the second antenna, is connected to the first antenna, the diode D1 on the second antenna, diode D2; The total end of this diode D1, diode D2 is connected with triode Q1 base terminal.
2. the intelligent shielding card be stolen for anti-signal according to claim 1, it is characterized in that, described high frequency signal generator comprises triode Q1, be connected to the inductance L 1 between triode Q1 emitter terminal and base terminal, be connected to the inductance L 2 between triode Q1 collector terminal and base terminal.
3. the intelligent shielding card be stolen for anti-signal according to claim 1, is characterized in that, described frequency selection circuit comprises the resistance R1 be connected between triode Q1 base terminal and inductance L 2 one end, is connected to the electric capacity C1 at resistance R1 two ends.
4. the intelligent shielding card be stolen for anti-signal according to claim 1, is characterized in that, described shield card main body comprises the PVC card base being arranged at inner wiring board and being arranged at wiring board upper and lower surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520222842.1U CN204498557U (en) | 2015-04-14 | 2015-04-14 | For the intelligent shielding card that anti-signal is stolen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520222842.1U CN204498557U (en) | 2015-04-14 | 2015-04-14 | For the intelligent shielding card that anti-signal is stolen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204498557U true CN204498557U (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520222842.1U Active CN204498557U (en) | 2015-04-14 | 2015-04-14 | For the intelligent shielding card that anti-signal is stolen |
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| CN (1) | CN204498557U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106997531A (en) * | 2016-01-26 | 2017-08-01 | 北京数码视讯科技股份有限公司 | The method and cutting ferrule of a kind of control financial IC card transaction |
| WO2018049709A1 (en) * | 2016-09-18 | 2018-03-22 | 深圳市联合智能卡有限公司 | Circuit for shielding signals and anti-theft device thereof |
| CN108985425A (en) * | 2018-06-22 | 2018-12-11 | 亳州学院 | A kind of card stolen for taking precautions against electronic information |
-
2015
- 2015-04-14 CN CN201520222842.1U patent/CN204498557U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106997531A (en) * | 2016-01-26 | 2017-08-01 | 北京数码视讯科技股份有限公司 | The method and cutting ferrule of a kind of control financial IC card transaction |
| CN106997531B (en) * | 2016-01-26 | 2020-06-09 | 北京数码视讯科技股份有限公司 | Method for controlling financial IC card transaction and card sleeve |
| WO2018049709A1 (en) * | 2016-09-18 | 2018-03-22 | 深圳市联合智能卡有限公司 | Circuit for shielding signals and anti-theft device thereof |
| CN108985425A (en) * | 2018-06-22 | 2018-12-11 | 亳州学院 | A kind of card stolen for taking precautions against electronic information |
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| GR01 | Patent grant |