CN104574659A - Anti-theft alarm device applied to ATM (automatic teller machine) - Google Patents
Anti-theft alarm device applied to ATM (automatic teller machine) Download PDFInfo
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- CN104574659A CN104574659A CN201410779473.6A CN201410779473A CN104574659A CN 104574659 A CN104574659 A CN 104574659A CN 201410779473 A CN201410779473 A CN 201410779473A CN 104574659 A CN104574659 A CN 104574659A
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Abstract
The invention discloses an anti-theft alarm device applied to an ATM (automatic teller machine). The device comprises a magnetic detection module, a processing module and a car protection module, wherein the magnetic detection module is used for detecting the magnetic field change of a magnetic substance component arranged in the confidential information area of the ATM; a non-magnetic isolator is arranged between the anti-theft alarm device and the magnetic substance component; the processing module is used for generating a card steal alarm signal according to the magnetic field change; the card protection module is used for executing a plug-in card protection action according to the card steal alarm signal. By adopting the anti-theft alarm device disclosed by the invention, the invisibility and the availability of an anti-theft alarm are enhanced; moreover, an error alarm caused by the posture behavior of a user when operating ATM equipment can be avoided.
Description
Technical field
The present invention relates to alarm, in particular to a kind of anti-theft alarm device being applied to ATM.
Background technology
ATM(Automatic Teller Machine, ATM (automatic teller machine)), be a kind of high-precision electromechanical integrated device, it utilizes magnetic code card or smart card to realize the Self-Service of financial transaction, replaces the work of bank cabinet dough figurine person.The business such as holder can use credit card or deposit card to realize extracting cash based on ATM according to the password of setting, queries the balance, transfer of financial resources, in addition, other related works such as spot assets, checking account (domestic nothing), passbook update, intermediary service can also be carried out.
At present, along with extensively popularizing of ATM, some lawless persons take up to utilize the leak existing for ATM to steal data on magnetic card and the user cipher of holder, thus cause huge hidden danger to the property safety of holder.
Such as, lawless person is had to pass through at hidden some the special robber's card apparatus of installation of the magnetic card insert port of atm device or Password Input key area, when performing corresponding ATM operation under the unwitting situation of user, be used for stealing data on magnetic card and the password of user, thus the property of user is lost repeatly.
Mode antitheft at present mainly by structurally carrying out the shutoff on structure space to the dangerous position of possibility, or uses simple machinery or fine motion touch-switch to carry out behavior monitoring, but these methods are simple, and be easily cracked, anti-theft effect is undesirable.
CN201320302470 Chinese patent discloses a kind of ATM bank card information anti-theft device, comprise the framework, acquisition process unit and the main control unit that are arranged on Insert Card Here abnormity mouth, described acquisition process unit is connected with main control unit, described framework is provided with carries out containing the infrared transmitter of multiple infrared illuminants with for launching and receiving infrared light the infrared electro IC that detects, and described infrared transmitter is connected with acquisition process unit respectively with infrared electro IC.Although this technical scheme has certain anti-theft feature, but it launches infrared light by infrared transmitter, infrared external reflection light is detected by infrared electro IC when there being barrier, and select whether to produce alarm according to the light intensity of described infrared external reflection light, the method easily produces alarm by mistake by the attitude behavioral implications of user on the one hand, on the other hand, because optical signal transmission has rectilinearity, therefore the zone of action of the method is limited, is easily evaded by lawless person, causes availability lower.
Summary of the invention
In order at least one in solving the problems of the technologies described above, the object of the embodiment of the present invention is to provide a kind of anti-theft alarm device being applied to ATM.
In order to achieve the above object, the embodiment of the present invention realizes by the following technical solutions:
Be applied to an anti-theft alarm device for ATM, it is characterized in that, comprising:
Magnetic testi module, in order to detect the changes of magnetic field being arranged at the magnetic substance parts in ATM confidential information region, wherein, has non-magnetic spacer between described anti-theft alarm device and magnetic substance parts;
Processing module, steals card alarm signal for generating according to described changes of magnetic field;
Card protection module, for performing plug-in card protection act according to described robber's card alarm signal;
Wherein, described Magnetic testi module comprises:
First detecting unit, it is corresponding with the first magnet of described magnetic substance parts, for detecting the first changes of magnetic field of described first magnet;
Second detecting unit, it is corresponding with the second magnet of described magnetic substance parts, for detecting the second changes of magnetic field of described second magnet;
Wherein, described first magnet and the second magnet are the different layout of polarity.
Preferably, described first magnet and the second magnet are permanent magnet, and described first magnet and the second magnet are shielded element portion by a magnetic conduction is coated with the one-way magnetic line passage formed towards described Magnetic testi module.
Preferably, the described anti-theft alarm device being applied to ATM also comprises:
Alarm module, for performing physical alert action according to the robber's card alarm signal received from described processing module.
Preferably, the described anti-theft alarm device being applied to ATM also comprises:
Communication module, for being sent to third party's monitor supervision platform by the robber received from described processing module card alarm signal by Wireless/wired communication modes.
Further preferably, between described first magnet and the second magnet, there is magnetic isolation unit part.
Further preferably, described first detecting unit comprises the first electric capacity C12, the first resistance R14 and the first Hall element U10, the one termination high level of the first electric capacity C12, the other end ground connection of the first electric capacity C12, the VCC termination high level of the first Hall element U10, the output terminal OUT of the first Hall element U10 connects high level by the first resistance R14, and the GND of the first Hall element U10 holds ground connection; And
Described second detecting unit comprises the second electric capacity C11, the second resistance R13 and the second Hall element U9, the one termination high level of the second electric capacity C11, the other end ground connection of the second electric capacity C11, the VCC termination high level of the second Hall element U9, the output terminal OUT of the second Hall element U9 connects high level by the second resistance R13, and the GND of the second Hall element U9 holds ground connection.
Preferably, described processing module comprises the 3rd resistance R1, 4th resistance R2, 3rd electric capacity C1 and XOR gate logical device U1, one end of 3rd resistance R1 is connected to the output terminal of the first detecting unit, the other end of the 3rd resistance R1 is connected to the first input end A of XOR gate logical device U1, one end of 4th resistance R2 is connected to the output terminal of the second detecting unit, the other end of the 4th resistance R2 is connected to the second input end B of XOR gate logical device U1, the GND of XOR gate logical device U1 holds ground connection, the VCC termination high level of XOR gate logical device U1, and by the 3rd electric capacity C1 ground connection, the output terminal Y of XOR gate logical device U1 exports and steals card alarm signal.
Further preferably, described processing module also comprises the 5th resistance R4, 4th electric capacity C3, 5th electric capacity C4, 6th electric capacity C5 and or gate logic device U3, one end of 5th resistance R4 is connected to the output terminal Y of XOR gate logical device U1, the other end of the 5th resistance R4 is connected to or the first input end B of gate logic device U3, and by the 5th electric capacity C4 ground connection, or the second input end A of gate logic device U3 is connected to its output terminal Y, and by the 6th electric capacity C5 ground connection, or the GND of gate logic device U3 holds ground connection, or the VCC termination high level of gate logic device U3, and by the 4th electric capacity C3 ground connection.
Further preferably, described processing module also comprises the 6th resistance R3, the 7th electric capacity C2 and single channel reverser lock U2, one end of 6th resistance R3 is connected to the output terminal Y of XOR gate logical device U1, the other end of the 6th resistance R3 is connected to the input end A of single channel reverser lock U2, the GND of single channel reverser lock U2 holds ground connection, the VCC termination high level of single channel reverser lock U2 by the 7th electric capacity C2 ground connection, the output terminal Y of single channel reverser lock U2 is connected to one end of the 5th resistance R4.
The present invention is based on magnetic induction, by arranging magnetic substance parts in ATM confidential information region, the Magnetic testi module of described magnetic substance parts magnetic field and its changes of magnetic field situation can be detected in anti-theft alarm device deploy, thus can make when lawless person needs to install robber's card apparatus additional and moves described magnetic substance parts, described anti-theft alarm device can produce according to the changes of magnetic field situation of described magnetic substance parts magnetic field steals card alarm, adopt the present invention, improve disguise and the availability of anti-theft alarm, and the mistake alarm that produces due to the attitude behavior of user when operating atm device can be avoided.
Accompanying drawing explanation
A kind of anti-theft alarm apparatus structure schematic diagram being applied to ATM that Fig. 1 provides for the embodiment of the present invention;
A kind of anti-theft alarm apparatus structure schematic diagram being applied to ATM that Fig. 2 provides for another embodiment of the present invention;
The first detection cell circuit figure that Fig. 3 provides for the embodiment of the present invention;
The second detection cell circuit figure that Fig. 4 provides for the embodiment of the present invention;
The processing module circuit diagram that Fig. 5 provides for the embodiment of the present invention;
The processing module circuit diagram that Fig. 6 provides for another embodiment of the present invention;
The processing module circuit diagram that Fig. 7 provides for another embodiment of the present invention.
The realization of the object of the invention, functional characteristics and excellent effect, be described further below in conjunction with specific embodiment and accompanying drawing.
Embodiment
Below in conjunction with the drawings and specific embodiments, technical scheme of the present invention is described in further detail, can better understand the present invention to make those skilled in the art and can be implemented, but illustrated embodiment is not as a limitation of the invention.
Shown in Fig. 1-Fig. 2, embodiments provide a kind of anti-theft alarm device 20 being applied to ATM, it comprises:
Magnetic testi module 201, in order to detect the changes of magnetic field being arranged at the magnetic substance parts 10 in ATM confidential information region, wherein, has non-magnetic spacer 30 between described anti-theft alarm device 20 and magnetic substance parts 10;
Processing module 203, steals card alarm signal for generating according to described changes of magnetic field;
Card protection module 204, for performing plug-in card protection act according to described robber's card alarm signal;
Described Magnetic testi module 201 comprises:
First detecting unit 2011, it is corresponding with the first magnet 101 of described magnetic substance parts 10, for detecting the first changes of magnetic field of described first magnet 101;
Second detecting unit 2012, it is corresponding with the second magnet 102 of described magnetic substance parts 10, for detecting the second changes of magnetic field of described second magnet 102;
Wherein, described first magnet 101 and the second magnet 102 are the different layout of polarity.
Referring to Fig. 1 and Fig. 2, the embodiment of the present invention is by arranging magnetic substance parts 10 in ATM confidential information region, wherein, in the present embodiment, described ATM confidential information region includes but not limited to the card inserting mouth magnetic stripe position of ATM, the user cipher key area etc. of ATM, the Magnetic testi module 201 of described magnetic substance parts 10 magnetic field and its changes of magnetic field situation can be detected in anti-theft alarm device 20 deploy, in the present embodiment, non-magnetic spacer 30 is there is between described anti-theft alarm device 20 and magnetic substance parts 10, described non-magnetic spacer 30 is the cabinet wall of ATM, when lawless person needs to install robber's card apparatus additional and moves described magnetic substance parts, described anti-theft alarm device can produce according to the changes of magnetic field situation of described magnetic substance parts magnetic field steals card alarm, adopt the present invention, improve disguise and the availability of anti-theft alarm, and the mistake alarm that produces due to the attitude behavior of user when operating atm device can be avoided.
During concrete enforcement, described magnetic substance parts 10 can be installed on an occupy-place block, described occupy-place block is removably mounted on described ATM confidential information region, the structure of described occupy-place block does not limit form, can according to the concrete space layout in ATM confidential information region specific design, such as when ATM bank card card inserting mouth is special-shaped mouth, and when described occupy-place block is disposed in ATM bank card card inserting mouth bottom, described occupy-place block can be designed to the shapes such as wedge, by described occupy-place block being fixedly mounted on the bottom of described ATM bank card card inserting mouth, lawless person cannot be installed in this position and steal card apparatus, and when its malice removes this occupy-place block, the described magnetic substance parts 10 being attached to occupy-place block are moved with also following, now Magnetic testi module 201 can detect the changes of magnetic field situation of magnetic substance parts 10, processing module 203 can generate according to described changes of magnetic field and steal card alarm signal.
In the present embodiment, described plug-in card protection act refers to the card action stoping user, such as, in hardware implementing, when described card protection module 204 gets robber's card alarm signal, operate the plug-in card blocking member (not shown) that it is positioned at card inserting mouth, so that the card action of any user physically can be stoped; Or in software simulating; when described card protection module 204 gets robber's card alarm signal; can identify current have bank card to be inserted into card inserting mouth when; unconditionally to spue described bank card by controlling to tell card apparatus; in other specific embodiments, those skilled in the art can realize any one described plug-in card protection act performed based on described robber's card alarm signal according to invention spirit of the present invention.
Described first detecting unit 2011 and the second detecting unit 2012 are arranged on the side (in rack) of ATM cabinet wall respectively, described first magnet 101 and the second magnet 102 are arranged on the opposite side (rack is outer) of cabinet wall respectively, spatially, described first detecting unit 2011 is corresponding with described first magnet 101, described second detecting unit 2012 is corresponding with described second magnet 102, described first magnet 101 and the second magnet 102 are designed to round pie, it is the different layout of polarity each other, such as referring to shown in Fig. 2, the N pole of described first magnet 101 is towards described cabinet wall, and the S pole of described second magnet 102 is towards described cabinet wall, in addition, in the present embodiment, preferably, described first magnet 101 penetrates cabinet wall with the magnetic line of force of the second magnet 102 is all vertical.
In an optional preferred embodiment, between described first magnet 101 and the second magnet 102, also there is magnetic isolation unit part 103.Described first magnet 101 and the second magnet 102 are coated with by a magnetic conduction shield member (not shown) part one-way magnetic line passage formed towards described Magnetic testi module 2011.In the present embodiment, described first magnet 101 and the second magnet 102 are permanent magnet, described magnetic conduction shield member can limit leaking of most magnetic fields that described first magnet 101 and the second magnet 102 produce, and only formed towards the one-way magnetic line passage of described Magnetic testi module 2011, based on this, the external magnetic field strength of described first magnet 101 and the second magnet 102 can be made significantly to be reduced, thus prevent the bank card of user (magnetic card) from insertion card inserting mouth process, causing magnetic card demagnetization.
In the present embodiment, described first detecting unit 2011 and the second detecting unit 2012 all adopt Hall element to detect the changes of magnetic field of described first magnet 101 and the second magnet 102, in addition, those skilled in the art is not difficult to expect adopting other modes to detect changes of magnetic field, as based on magnetic resistance, giant magnetoresistance, fluxgate etc., when specific works, described first detecting unit 2011 and the second detecting unit 2012 detect the changes of magnetic field situation of the first magnet 101 and the second magnet 102 respectively by Hall element, the changes of magnetic field situation detected described in described processing module 203 meeting basis judges whether described magnetic substance parts 10 there occurs displacement, if, then generate and steal card alarm signal, and described robber's card alarm signal is supplied to respectively local alarm module 205, to produce corresponding physical alert action (as audible and visual alarm), and described robber's card alarm signal is sent to third party's monitor supervision platform further by communication module 204.
At occupy-place device, first magnet 101 of position of sound production 1 the N extreme direction corresponding to Hall element that described first detecting unit 2011 comprises, the first magnet 101 of position of sound production 1 the S extreme direction that the Hall element that described second detecting unit 2012 comprises is corresponding.If lawless person removes occupy-place block by force, the first detecting unit 2011 of described anti-theft alarm device and the second detecting unit 2012 can detect the changes of magnetic field of opposed polarity, thus can cause alarm.If lawless person simulates magnetic signal at outside magnet: during as removed analog magnetic field with magnet N pole, described second detecting unit 2012 can detect changes of magnetic field, thus cause alarm; When lawless person affects with magnet S pole, the first detecting unit 2011 can detect changes of magnetic field.Thus initiation alarm.Based on this, reliability and the security of described anti-theft alarm device can be improved.
In a preferred embodiment, described anti-theft alarm device 20 also comprises:
Alarm module 205, for performing physical alert action according to the robber's card alarm signal received from described processing module 203.
Described physical alert action includes but not limited to: sound and light alarm, vibration alarming etc.
Further, in a preferred embodiment, described anti-theft alarm device 20 also comprises:
Communication module 204, for being sent to third party's monitor supervision platform (not shown) by the robber's card received from described processing module 203 alarm signal by Wireless/wired communication modes.
Such as described third party's monitor supervision platform is banking supervisory systems, described banking supervisory systems performs corresponding emergency processing action according to described robber's card alarm signal, such as send alarm information etc. to corresponding bank security personnel, so that it implements to arrest to lawless person in time.
Further referring to shown in Fig. 3 and Fig. 4, in the present embodiment, described first detecting unit 2011 comprises the first electric capacity C12, the first resistance R14 and the first Hall element U10(as SS341RT product obtainable on market), the one termination high level of the first electric capacity C12, the other end ground connection of the first electric capacity C12, the VCC termination high level of the first Hall element U10, the output terminal OUT of the first Hall element U10 connects high level by the first resistance R14, and the GND of the first Hall element U10 holds ground connection;
And, it is same as SS341RT product obtainable on market that described second detecting unit 2012 comprises the second electric capacity C11, the second resistance R13 and the second Hall element U9(), the one termination high level of the second electric capacity C11, the other end ground connection of the second electric capacity C11, the VCC termination high level of the second Hall element U9, the output terminal OUT of the second Hall element U9 connects high level by the second resistance R13, and the GND of the second Hall element U9 holds ground connection.
In the present embodiment, described first Hall element U10 and the second Hall element U9 forms heteropolarity magnetic field detection, in order to detect the changes of magnetic field situation of the first magnet 101 and the second magnet 102 respectively, and export the first detection signal HALL-A and the second detection signal HALL-B to processing module 203.
In the present embodiment, shown in Fig. 5, described processing module 203 comprises the 3rd resistance R1, 4th resistance R2, 3rd electric capacity C1 and XOR gate logical device U1(is as SN74LVC1G86), one end of 3rd resistance R1 is connected to the output terminal of the first detecting unit 2011, the other end of the 3rd resistance R1 is connected to the first input end A of XOR gate logical device U1, one end of 4th resistance R2 is connected to the output terminal of the second detecting unit 2012, the other end of the 4th resistance R2 is connected to the second input end B of XOR gate logical device U1, the GND of XOR gate logical device U1 holds ground connection, the VCC termination high level of XOR gate logical device U1, and by the 3rd electric capacity C1 ground connection, the output terminal Y of XOR gate logical device U1 exports and steals card alarm signal.
In the present embodiment, described XOR gate logical device U1 is 2 in-gate circuits, and in other embodiments, described U1 can also require to be designed to OR circuit or AND circuit etc. according to physical circuit, and is not limited to be 2 in-gate circuits.The first detection signal HALL-A that described XOR gate logical device U1 provides according to the first detecting unit 2011 and the second detection signal HALL-B that the second detecting unit 2012 provides, after logic gate process, exports robber's card alarm signal of digitizing.
In a kind of preferred embodiment, shown in Fig. 6, described processing module 203 also comprises the 5th resistance R4, 4th electric capacity C3, 5th electric capacity C4, 6th electric capacity C5 and or gate logic device U3(as SN74AHC1G32), one end of 5th resistance R4 is connected to the output terminal Y of XOR gate logical device U1, the other end of the 5th resistance R4 is connected to or the first input end B of gate logic device U3, and by the 5th electric capacity C4 ground connection, or the second input end A of gate logic device U3 is connected to its output terminal Y, and by the 6th electric capacity C5 ground connection, or the GND of gate logic device U3 holds ground connection, or the VCC termination high level of gate logic device U3, and by the 4th electric capacity C3 ground connection.
In the present embodiment, described or gate logic device U3 is 2 input OR circuit.Wherein one second input end A and output terminal Y short circuit form loop-locking and feed back, and by one the 6th electric capacity C5 ground connection, this 6th electric capacity C5 has the level that powers on and determines and the effect of filtering noise elimination.In the middle of embody rule, described 5th resistance R4 and the 5th electric capacity C4 can need to adjust its parameter according to practical application, and it act as in power up, guarantees to be defined as low level.
One end of 5th resistance R4 is connected to the output terminal Y of XOR gate logical device U1, under normal circumstances, the output terminal Y output low level of described XOR gate logical device U1, when there being early warning to occur, the output terminal Y stating XOR gate logical device U1 exports high level, and this high level passes through or gate logic device U3, exports high level at output terminal Y that is described or gate logic device U3, and this high level is crossed feeds back to first input end A that is described or gate logic device U3, thus is high level.Now, and though the first input end B of described or gate logic device U3 be input as high or low level, the output of the output terminal Y of described or gate logic device U3 all can be locked as high level, thus realizes the function of block level and signal.Based on this circuit, after robber's card alarm signal produces, lock by this alarm status, namely lawless person puts in back original position by by the magnetic substance parts 10 of illegally movement, also cannot unlock this alarm status.Even if therefore replaced, also cannot remove alarm condition, now ATM can refuse the insertion of any magnetic card, therefore can effectively stop the data on magnetic card of client stolen.
In further preferred embodiment, shown in Fig. 7, described processing module 203 also comprises the 6th resistance R3, the 7th electric capacity C2 and single channel reverser lock U2, one end of 6th resistance R3 is connected to the output terminal Y of XOR gate logical device U1, the other end of the 6th resistance R3 is connected to the input end A of single channel reverser lock U2, the GND of single channel reverser lock U2 holds ground connection, the VCC termination high level of single channel reverser lock U2 by the 7th electric capacity C2 ground connection, the output terminal Y of single channel reverser lock U2 is connected to one end of the 5th resistance R4.
The foregoing is only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (9)
1. be applied to an anti-theft alarm device for ATM, it is characterized in that, comprising:
Magnetic testi module, in order to detect the changes of magnetic field being arranged at the magnetic substance parts in ATM confidential information region, wherein, has non-magnetic spacer between described anti-theft alarm device and magnetic substance parts;
Processing module, steals card alarm signal for generating according to described changes of magnetic field;
Card protection module, for performing plug-in card protection act according to described robber's card alarm signal;
Described Magnetic testi module comprises:
First detecting unit, it is corresponding with the first magnet of described magnetic substance parts, for detecting the first changes of magnetic field of described first magnet;
Second detecting unit, it is corresponding with the second magnet of described magnetic substance parts, for detecting the second changes of magnetic field of described second magnet;
Wherein, described first magnet and the second magnet are the different layout of polarity.
2. be applied to the anti-theft alarm device of ATM as claimed in claim 1, it is characterized in that, described first magnet and the second magnet are permanent magnet, and described first magnet and the second magnet are shielded element portion by a magnetic conduction is coated with the one-way magnetic line passage formed towards described Magnetic testi module.
3. be applied to the anti-theft alarm device of ATM as claimed in claim 1, it is characterized in that, also comprise:
Alarm module, for performing physical alert action according to the robber's card alarm signal received from described processing module.
4. be applied to the anti-theft alarm device of ATM as claimed in claim 1, it is characterized in that, also comprise:
Communication module, for being sent to third party's monitor supervision platform by the robber received from described processing module card alarm signal by Wireless/wired communication modes.
5. be applied to the anti-theft alarm device of ATM as claimed in claim 1, it is characterized in that, between described first magnet and the second magnet, there is magnetic isolation unit part.
6. be applied to the anti-theft alarm device of ATM as claimed in claim 1, it is characterized in that,
Described first detecting unit comprises the first electric capacity (C12), the first resistance (R14) and the first Hall element (U10), one termination high level of the first electric capacity (C12), the other end ground connection of the first electric capacity (C12), the VCC termination high level of the first Hall element (U10), the output terminal (OUT) of the first Hall element (U10) connects high level by the first resistance (R14), and the GND of the first Hall element (U10) holds ground connection; And
Described second detecting unit comprises the second electric capacity (C11), the second resistance (R13) and the second Hall element (U9), one termination high level of the second electric capacity (C11), the other end ground connection of the second electric capacity (C11), the VCC termination high level of the second Hall element (U9), the output terminal (OUT) of the second Hall element (U9) connects high level by the second resistance (R13), and the GND of the second Hall element (U9) holds ground connection.
7. be applied to the anti-theft alarm device of ATM as claimed in claim 6, it is characterized in that, described processing module comprises the 3rd resistance (R1), 4th resistance (R2), 3rd electric capacity (C1) and XOR gate logical device (U1), one end of 3rd resistance (R1) is connected to the output terminal of the first detecting unit, the other end of the 3rd resistance (R1) is connected to the first input end (A) of XOR gate logical device (U1), one end of 4th resistance (R2) is connected to the output terminal of the second detecting unit, the other end of the 4th resistance (R2) is connected to second input end (B) of XOR gate logical device (U1), the GND of XOR gate logical device (U1) holds ground connection, the VCC termination high level of XOR gate logical device (U1), and by the 3rd electric capacity (C1) ground connection, the output terminal (Y) of XOR gate logical device (U1) exports steals card alarm signal.
8. be applied to the anti-theft alarm device of ATM as claimed in claim 7, it is characterized in that, described processing module also comprises the 5th resistance (R4), 4th electric capacity (C3), 5th electric capacity (C4), 6th electric capacity (C5) and or gate logic device (U3), one end of 5th resistance (R4) is connected to the output terminal (Y) of XOR gate logical device (U1), the other end of the 5th resistance (R4) is connected to or the first input end (B) of gate logic device (U3), and pass through, 5th electric capacity (C4) ground connection, or second input end (A) of gate logic device (U3) is connected to its output terminal (Y), and by the 6th electric capacity (C5) ground connection, or the GND of gate logic device (U3) holds ground connection, or the VCC termination high level of gate logic device (U3), and by the 4th electric capacity (C3) ground connection.
9. be applied to the anti-theft alarm device of ATM as claimed in claim 8, it is characterized in that, described processing module also comprises the 6th resistance (R3), 7th electric capacity (C2), and single channel reverser lock (U2), one end of 6th resistance (R3) is connected to the output terminal (Y) of XOR gate logical device (U1), the other end of the 6th resistance (R3) is connected to the input end (A) of single channel reverser lock (U2), the GND of single channel reverser lock (U2) holds ground connection, the VCC termination high level of single channel reverser lock (U2), and by the 7th electric capacity (C2) ground connection, the output terminal (Y) of single channel reverser lock (U2) is connected to one end of the 5th resistance (R4).
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| CN201410779473.6A CN104574659B (en) | 2014-12-15 | 2014-12-15 | Anti-theft alarm device applied to ATM |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105336056A (en) * | 2015-11-25 | 2016-02-17 | 深圳怡化电脑股份有限公司 | Financial self-service equipment and card theft prevention device thereof |
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| CN204537316U (en) * | 2014-12-15 | 2015-08-05 | 深圳怡化电脑股份有限公司 | Be applied to the anti-theft alarm device of ATM |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105336056A (en) * | 2015-11-25 | 2016-02-17 | 深圳怡化电脑股份有限公司 | Financial self-service equipment and card theft prevention device thereof |
| CN105336056B (en) * | 2015-11-25 | 2018-01-02 | 深圳怡化电脑股份有限公司 | A kind of financial self-service equipment and its antitheft card device |
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|---|---|
| CN104574659B (en) | 2018-04-03 |
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