CN201549025U - Bank card information anti-theft device - Google Patents
Bank card information anti-theft device Download PDFInfo
- Publication number
- CN201549025U CN201549025U CN 200920058968 CN200920058968U CN201549025U CN 201549025 U CN201549025 U CN 201549025U CN 200920058968 CN200920058968 CN 200920058968 CN 200920058968 U CN200920058968 U CN 200920058968U CN 201549025 U CN201549025 U CN 201549025U
- Authority
- CN
- China
- Prior art keywords
- card information
- card
- frequency variation
- pin
- bank card
- Prior art date
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a bank card information anti-theft device which can prevent other persons from stealing bank card information. The bank card information anti-theft device comprises a PC material card board, and the middle of the card board is provided with an oval card entering opening which is extended outwards to form an alien bulge. The card board is fixedly connected with an automatic teller machine by a fixed board, and the middle of the fixed board is provided with a hole capable of containing the alien bulge. The inner side of the card entering opening of the card board is fixedly provided with an anti-theft card information circuit device which can inspect obstacles nearby the card entering opening in a close range, the distance between the infrared probe of the anti-theft card information circuit device and the outer side of the card entering opening of the card board is no more than four millimeters, and the anti-theft card information circuit device transmits infrared digital frequency-conversion signals by the infrared probe to uninterruptedly scan the card entering opening. Adopting the alien card entering opening and the anti-theft card information circuit device, the bank card information anti-theft device can prevent other persons from installing a card reader or a card stealer. In addition, the bank card information anti-theft device adopts the infrared digital frequency-conversion signals, so the influence of external signals to the bank card information anti-theft device can be greatly avoided.
Description
Technical field
The utility model relates to a kind of card inlet device, specifically, relates to and a kind ofly can prevent that others from stealing the bank card information anti-theft device of bank card information.
Background technology
Present bank card is magnetic card, data on the magnetic card only need magnetic stripe just to contact with magnetic head can to read and write, and some undesirables may or steal the card inlet outside that the card device is installed in ATM (Automatic Teller Machine) by some card reader now, and the person that generally do not withdraw the money is difficult to look out these, can't recognize accurately perhaps whether own employed ATM (Automatic Teller Machine) is equipped with card reader or steals the thing that blocks device and so on, some vigilant low people more can not expect these, after their operation once, a lot of information in the bank card are just stolen by some undesirables.
The utility model content
At above deficiency, the utility model provides a kind of can prevent that others from stealing the bank card information anti-theft device of bank card information.Because whether card reader or robber's card device can be too not little, so have other foreign matters to get final product near only need closely detecting card inlet.Initiatively launch frequency variation signal by some transmitting terminals, the card inlet position is uninterruptedly scanned, when receiving end receives the infrared signal of the corresponding frequencies that is reflected by barrier, can outwards send alerting signal.
In the middle of comprising, the bank card information anti-theft device has the clamp of card inlet, the fixedly connected automatic teller machine of clamp, and described clamp card inlet inboard is fixed with the antitheft card information circuit arrangement that can closely detect near the barrier of card inlet.
Described antitheft card information circuit arrangement comprises: control circuit is used for transmitting and receiving of control of conversion signal, and has judged whether barrier according to frequency variation signal; The transmitting terminal circuit is used for the order according to control circuit, the emission frequency variation signal; Power supply stabilization circuit is used for transmitting terminal circuit and control circuit output fixed voltage; The signal receiving processing circuit is used to receive frequency variation signal, and will send to control circuit after the frequency variation signal processing and amplifying.
Described frequency variation signal is infrared digital frequency conversion signal.
The outer lateral extent of the infrared probe of described antitheft card information circuit arrangement and clamp card inlet is no more than four millimeters.
Described clamp is the PC material.
The card inlet of described clamp outwards is formed with projection.
Described clamp is fixed on the automatic teller machine by fixed head, opens the hole that can hold projection in the middle of the fixed head.
The beneficial effects of the utility model: the utility model can transmit and receive the antitheft card information circuit arrangement of frequency variation signal by fix one in clamp card inlet inboard, transmitting terminal uninterruptedly scans the card inlet position, can prevent that other people from installing foreign matter to the card inlet outside, card inlet of the present utility model in addition outwards is formed with projection, when others when card inlet is installed card reader or is stolen the card device, can take very big space, be easy to cause user's attention, thereby play the effect of prompting; The utility model adopts infrared digital frequency conversion signal, can greatly avoid the influence of outer signals to ATM (Automatic Teller Machine).
Description of drawings
Fig. 1 is the structural representation of the utility model bank card information anti-theft device;
Fig. 2 is that the antitheft card information circuit arrangement of the utility model is realized circuit diagram.
Embodiment
Below in conjunction with accompanying drawing the utility model is further set forth.
As shown in Figure 1, the bank card information anti-theft device comprises a polygon clamp 2, clamp 2 is shaped as rectangle generally speaking, clamp 2 is the PC material, have oval card inlet 21 in the middle of the clamp 2, the shape of card inlet 21 is not limit, as long as guarantee that bank card can normally enter just passable, card inlet 21 extends laterally and is formed with a projection 22 (is interior towards ATM (Automatic Teller Machine) one side), prevent that like this others from installing card reader or stealing the card device at the card inlet 21 of ATM (Automatic Teller Machine), clamp 2 is fixed on the ATM (Automatic Teller Machine) by fixed head 1, open the hole 11 that can hold projection 22 in the middle of the fixed head 1, fixed head 1 and ATM (Automatic Teller Machine) can be fixed by the mode of welding or other flexible connection.Card inlet 21 inboards of clamp 2 are fixed with the antitheft card information circuit arrangement 3 that can closely detect near the barrier of card inlet, the infrared probe 31 of antitheft card information circuit arrangement 3 is no more than four millimeters with the outer lateral extent of clamp 2 card inlets 21, otherwise antitheft card information circuit arrangement 3 can not accurately be realized card inlet 21 is uninterruptedly scanned.
As shown in Figure 2, antitheft card information circuit arrangement comprises and is used for transmitting and receiving of control of conversion signal, and the control circuit that judges whether barrier according to frequency variation signal, be used for order according to control circuit, the transmitting terminal circuit of emission frequency variation signal, be used for power supply stabilization circuit, and be used to receive frequency variation signal, and will send to the signal receiving processing circuit of control circuit after the frequency variation signal processing and amplifying transmitting terminal circuit and control circuit output fixed voltage.
Control circuit comprises control chip U3, and control chip U3 first pin connects power supply; Second pin is controlled pin as transmitting terminal; The 3rd pin is as the frequency variation signal output pin; Base stage by R41 and Q7 is connected, and the emitter grounding of Q7, collector are opened Lou output; The 4th pin connects power supply by R43 or ground connection is come exporting the high-low level effective choice of frequency variation signal; The 5th pin provides non-persistent current for after the C1 filtering amplifier of signal receiving processing circuit through the R10 current limliting; The 6th pin receives the frequency variation signal after amplifier is handled; The 7th pin connects a LED lamp as relay indicating light by the R42 current limliting; The 8th pin ground connection.
The transmitting terminal circuit comprises Q1, and the base stage of Q1 is connected to control chip by R1, the emitter grounding of Q1, and collector is connected with the negative pole of the emission LED of infrared probe, adds that at the positive pole of launching LED current-limiting resistance R4 and R5 are connected to power supply stabilization circuit.
Power supply stabilization circuit comprises power supply input and signal output interface J3, U1 is that output voltage is the power supply voltage stabilizing IC of 5V, and U2 is that output voltage is the power supply voltage stabilizing IC of 3.3V, and C15 and C16 are tantalum electric capacity, C4 and C5 are ceramic disc capacitor, and C4, C5, C15 and C16 give power filter;
The frequency variation signal of signal receiving processing circuit produces at infrared receiving end, tripod output, R14, C6, R15, C7, R27 are the filtering circuits of two stage amplifer, R16, R17 and C12 are the feedback circuits of two stage amplifer, receiving end is connected the base stage that the frequency variation signal that receives carries out amplifying by R29 and Q2 through two-stage after the filtering, the frequency variation signal that receives is issued the 6th pin of control chip by pull-up resistor R30 of Q2 collector series connection.
Claims (8)
1. a bank card information anti-theft device comprises the middle clamp that has card inlet, and the fixedly connected automatic teller machine of clamp is characterized in that, described clamp card inlet inboard is fixed with the antitheft card information circuit arrangement that can closely detect near the barrier of card inlet.
2. bank card information anti-theft device according to claim 1 is characterized in that, described antitheft card information circuit arrangement comprises:
Control circuit is used for transmitting and receiving of control of conversion signal, and has judged whether barrier according to frequency variation signal;
The transmitting terminal circuit is used for the order according to control circuit, the emission frequency variation signal;
Power supply stabilization circuit is used for transmitting terminal circuit and control circuit output fixed voltage;
The signal receiving processing circuit is used to receive frequency variation signal, and will send to control circuit after the frequency variation signal processing and amplifying.
3. bank card information anti-theft device according to claim 2 is characterized in that,
Described control circuit comprises control chip U3, control chip U3 first pin connects power supply, second pin is controlled pin as transmitting terminal, the 3rd pin is as the frequency variation signal output pin, base stage by R41 and Q7 is connected, the emitter grounding of Q7, collector is opened Lou output, the 4th pin connects power supply by R43 or ground connection is come exporting the high-low level effective choice of frequency variation signal, the 5th pin provides non-persistent current for after the C1 filtering amplifier of signal receiving processing circuit through the R10 current limliting, and the 6th pin receives the frequency variation signal after amplifier is handled, the 7th pin connects a LED lamp as relay indicating light by the R42 current limliting, the 8th pin ground connection;
Described transmitting terminal circuit comprises Q1, and the base stage of Q1 is connected to control chip by R1, the emitter grounding of Q1, and collector is connected with the negative pole of the emission LED of infrared probe, adds that at the positive pole of launching LED current-limiting resistance R4 and R5 are connected to power supply stabilization circuit;
Described power supply stabilization circuit comprises power supply input and signal output interface J3, U1 is that output voltage is the power supply voltage stabilizing IC of 5V, and U2 is that output voltage is the power supply voltage stabilizing IC of 3.3V, and C15 and C16 are tantalum electric capacity, C4 and C5 are ceramic disc capacitor, and C4, C5, C15 and C16 give power filter;
The frequency variation signal of described signal receiving processing circuit produces at infrared receiving end, tripod output, R14, C6, R15, C7, R27 are the filtering circuits of two stage amplifer, R16, R17 and C12 are the feedback circuits of two stage amplifer, receiving end is connected the base stage that the frequency variation signal that receives carries out amplifying by R29 and Q2 through two-stage after the filtering, the frequency variation signal that receives is issued the 6th pin of control chip by pull-up resistor R30 of Q2 collector series connection.
4. bank card information anti-theft device according to claim 3 is characterized in that, described frequency variation signal is infrared digital frequency conversion signal.
5. according to claim 1,2,3 or 4 described bank card information anti-theft devices, it is characterized in that described antitheft card information circuit arrangement comprises infrared probe, the outer lateral extent of described infrared probe and clamp card inlet is no more than four millimeters.
6. bank card information anti-theft device according to claim 1 is characterized in that, described clamp is the PC material.
7. bank card information anti-theft device according to claim 6 is characterized in that the card inlet of described clamp outwards is formed with projection.
8. according to claim 1 or 7 described bank card information anti-theft devices, it is characterized in that described clamp is fixed on the automatic teller machine by fixed head, open the hole that can hold projection in the middle of the fixed head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920058968 CN201549025U (en) | 2009-06-23 | 2009-06-23 | Bank card information anti-theft device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920058968 CN201549025U (en) | 2009-06-23 | 2009-06-23 | Bank card information anti-theft device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201549025U true CN201549025U (en) | 2010-08-11 |
Family
ID=42604203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920058968 Expired - Lifetime CN201549025U (en) | 2009-06-23 | 2009-06-23 | Bank card information anti-theft device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201549025U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102201136A (en) * | 2011-03-16 | 2011-09-28 | 深圳市怡化电脑有限公司 | Theftproof device and system |
| CN108346215A (en) * | 2017-02-23 | 2018-07-31 | 深圳市铭特科技有限公司 | One kind prevents magnetic stripe card to be stolen brush device |
| CN109239572A (en) * | 2017-06-29 | 2019-01-18 | Ncr公司 | Card steals the detection of brush device |
-
2009
- 2009-06-23 CN CN 200920058968 patent/CN201549025U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102201136A (en) * | 2011-03-16 | 2011-09-28 | 深圳市怡化电脑有限公司 | Theftproof device and system |
| CN108346215A (en) * | 2017-02-23 | 2018-07-31 | 深圳市铭特科技有限公司 | One kind prevents magnetic stripe card to be stolen brush device |
| CN109239572A (en) * | 2017-06-29 | 2019-01-18 | Ncr公司 | Card steals the detection of brush device |
| CN109239572B (en) * | 2017-06-29 | 2021-09-21 | Ncr公司 | Card swipe detection |
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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: 20100811 |