CN109326045A - The illegal method and ATM card reader of ATM card reader - Google Patents
The illegal method and ATM card reader of ATM card reader Download PDFInfo
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- CN109326045A CN109326045A CN201710645106.0A CN201710645106A CN109326045A CN 109326045 A CN109326045 A CN 109326045A CN 201710645106 A CN201710645106 A CN 201710645106A CN 109326045 A CN109326045 A CN 109326045A
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- Prior art keywords
- card
- magnetic
- magnetic field
- card reader
- atm
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
- G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
- G07F7/0873—Details of the card reader
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F19/00—Complete banking systems; Coded card-freed arrangements adapted for dispensing or receiving monies or the like and posting such transactions to existing accounts, e.g. automatic teller machines
- G07F19/20—Automatic teller machines [ATMs]
- G07F19/205—Housing aspects of ATMs
- G07F19/2055—Anti-skimming aspects at ATMs
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- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Finance (AREA)
- Lock And Its Accessories (AREA)
Abstract
The present invention discloses the illegal method and ATM card reader of a kind of ATM card reader, wherein the ATM card reader includes card reader ontology and the magnetic disturbance device for being installed on the card reader ontology, this method comprises: obtaining magnetic card into card signal or moves back card signal；The magnetic card is being got into card signal or after moving back card signal, the magnetic disturbance device is being controlled and issues the interference magnetic field H for preventing magnetic card from stealing brush0.Technical solution of the present invention on card reader ontology by being arranged magnetic disturbance device, enter or exit signal by obtaining magnetic card, it controls the magnetic disturbance device and issues interference magnetic field, to go out to generate interference magnetic field in bayonet, the magnetic card side recording device that can effectively avoid the bayonet periphery that magnetic card is arranged on card reader reads card information, to improve the safety coefficient of ATM card reader.
Description
Technical field
The present invention relates to ATM machine security fields, in particular to brush method and ATM card reader are stolen in putting for a kind of ATM card reader.
Background technique
ATM card reader is provided in ATM machine, existing ATM card reader has a road Ge Ka, and Ka Dao has card inserting mouth.When
User in ATM machine when operating, it usually needs bank card is inserted into card inserting mouth, bank card is then driven away inside ATM card reader,
Subsequent user such as can be withdrawn the money by the operation interface of ATM machine, deposit, transfer accounts at the operation.
However, nowadays, part criminal is in order to obtain undue profits, it will usually record in card inserting mouth periphery installation magnetic card side
Device, to steal user's bank card information.Seriously endanger the account safety of user.
Summary of the invention
The main object of the present invention is to propose a kind of illegal method of ATM card reader, it is intended to improve the peace of ATM card reader
Overall coefficient.
To achieve the above object, a kind of illegal method of ATM card reader proposed by the present invention, wherein the ATM card reading
Machine includes card reader ontology and the magnetic disturbance device for being installed on the card reader ontology, this method comprises:
It obtains magnetic card and into card signal or moves back card signal；
The magnetic card is being got into card signal or after moving back card signal, controlling the magnetic disturbance device sending prevents magnetic card from stealing
The interference magnetic field H of brush0。
Preferably, the ATM card reader has gear door and gear door sensor, the method also includes:
The gear door is controlled to open；
After the gear door opening signal for receiving the gear door sensor feedback, execute the acquisition magnetic card into card signal or
The step of moving back card signal.
Preferably, the ATM card reader ontology has Ka Dao, plug-in card sensor and read head, and the Ka Dao has bayonet,
It is characterized in that, this method further include:
Obtain the plug-in card signal of the magnetic card insertion bayonet of the plug-in card sensor feedback；
After getting the plug-in card signal, the magnetic field that the read head reads magnetic card is controlled, and the magnetic field for obtaining magnetic card is strong
Spend B1；
By the magnetic field strength B1With default magnetic field strength B0Comparison, if B0≤B1, then execute what the control gear door was opened
Step.
Preferably, before the step of acquisition magnetic card is into card signal, the method also includes:
It controls the magnetic disturbance device and issues the interference magnetic field H for preventing magnetic card from stealing brush1。
Preferably, the interference magnetic field H for preventing magnetic card from stealing brush1Magnetic field strength be less than and described prevent magnetic card from stealing the dry of brush
Disturb magnetic field H0Magnetic field strength.
Preferably, the interference magnetic field H for preventing magnetic card from stealing brush1For variable frequency magnetic field.
Preferably, the ATM card reader ontology has Ka Dao and plug-in card sensor, and the Ka Dao has bayonet, feature
It is, before obtaining the step of magnetic card is into card signal, further includes:
Obtain the plug-in card signal of the magnetic card insertion bayonet of the plug-in card sensor feedback；
After receiving the plug-in card signal, controls the magnetic disturbance device and stop issuing the interference magnetic for preventing magnetic card from stealing brush
Field H1, or the interference magnetic field H that the control magnetic disturbance device reduction prevents magnetic card robber from brushing1Intensity.
Preferably, the interference magnetic field H for preventing magnetic card from stealing brush0For variable frequency magnetic field.
Preferably, the interference magnetic field H for preventing magnetic card from stealing brush0For pulsed magnetic field.
Preferably, the interference magnetic field H for preventing magnetic card from stealing brush0For duration and the equal random pulses magnetic of magnetic field strength
?.
The present invention also provides a kind of ATM card reader, the ATM card reader includes card reader ontology and is installed on the card reading
The magnetic disturbance device of machine ontology, the ATM card reader further include memory, processor and are stored on the memory and can be
The illegal program of the illegal program of the ATM card reader run on the processor, the ATM card reader is executed by processor
The following method of Shi Shixian:
It obtains magnetic card and into card signal or moves back card signal；
The magnetic card is being got into card signal or after moving back card signal, controlling the magnetic disturbance device sending prevents magnetic card from stealing
The interference magnetic field H of brush0。
Preferably, the ATM card reader has gear door and gear door sensor, the method also includes:
The gear door is controlled to open；
After the gear door opening signal for receiving the gear door sensor feedback, execute the acquisition magnetic card into card signal or
The step of moving back card signal.
Preferably, the ATM card reader ontology has Ka Dao, plug-in card sensor and read head, and the Ka Dao has bayonet,
It is characterized in that, this method further include:
Obtain the plug-in card signal of the magnetic card insertion bayonet of the plug-in card sensor feedback；
After getting the plug-in card signal, the magnetic field that the read head reads magnetic card is controlled, and the magnetic field for obtaining magnetic card is strong
Spend B1；
By the magnetic field strength B1With default magnetic field strength B0Comparison, if B0≤B1, then execute what the control gear door was opened
Step.
Preferably, before the step of acquisition magnetic card is into card signal, the method also includes:
It controls the magnetic disturbance device and issues the interference magnetic field H for preventing magnetic card from stealing brush1。
Preferably, the interference magnetic field H for preventing magnetic card from stealing brush1Magnetic field strength be less than and described prevent magnetic card from stealing the dry of brush
Disturb magnetic field H0Magnetic field strength.
Preferably, the interference magnetic field H for preventing magnetic card from stealing brush1For variable frequency magnetic field.
Preferably, the ATM card reader ontology has Ka Dao and plug-in card sensor, and the Ka Dao has bayonet, feature
It is, before obtaining the step of magnetic card is into card signal, further includes:
Obtain the plug-in card signal of the magnetic card insertion bayonet of the plug-in card sensor feedback；
After receiving the plug-in card signal, controls the magnetic disturbance device and stop issuing the interference magnetic for preventing magnetic card from stealing brush
Field H1, or the interference magnetic field H that the control magnetic disturbance device reduction prevents magnetic card robber from brushing1Intensity.
Preferably, the interference magnetic field H for preventing magnetic card from stealing brush0For variable frequency magnetic field.
Preferably, the interference magnetic field H for preventing magnetic card from stealing brush0For pulsed magnetic field.
Preferably, the interference magnetic field H for preventing magnetic card from stealing brush0For duration and the equal random pulses magnetic of magnetic field strength
?.
Technical solution of the present invention on card reader ontology by being arranged magnetic disturbance device, by obtaining magnetic card entrance or moving back
Signal out controls the magnetic disturbance device and issues interference magnetic field, to go out to generate interference magnetic field in bayonet, can effectively avoid magnetic card
The magnetic card side recording device for being arranged on the bayonet periphery of card reader reads card information, to improve the safety of ATM card reader
Coefficient.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the flow chart of the illegal method first embodiment of ATM card reader of the present invention；
Fig. 2 is the flow chart of the illegal method second embodiment of ATM card reader of the present invention；
Fig. 3 is the flow chart of the illegal method 3rd embodiment of ATM card reader of the present invention；
Fig. 4 is the flow chart of the illegal method fourth embodiment of ATM card reader of the present invention；
Fig. 5 is the flow chart of the 5th embodiment of illegal method of ATM card reader of the present invention；
Fig. 6 is to generate interference magnetic field H in above-described embodiment0Size of current and the first embodiment of time relational graph；
Fig. 7 is to generate interference magnetic field H in above-described embodiment0Size of current and the second embodiment relational graph of time；
Fig. 8 is to generate interference magnetic field H in above-described embodiment0Size of current and the 3rd embodiment relational graph of time；
Fig. 9 is to generate interference magnetic field H in above-described embodiment0Size of current and the fourth embodiment relational graph of time.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.
Fig. 1 to Fig. 5 shows the preferred embodiment of the present invention and variant embodiment, has in these embodiments multiple
It improves；In specific descriptions, it is described as an embodiment for each improvement therein, in the case where no interference and conflict,
Technical characteristic between following each embodiments can be freely combined.When the combination appearance of technical solution is conflicting or can not be real
Now it will be understood that the combination of this technical solution is not present, also not the present invention claims protection scope within.
The present invention proposes a kind of illegal method of ATM card reader.
ATM card reader generally has card reader ontology, has Ka Dao on card reader ontology.Master is provided on card reader ontology
Plate is controlled, Ka Dao includes bayonet and magnetic card temporary room.Bayonet and magnetic card temporary room junction are equipped with gear door, and bayonet periphery is also set up
Plug-in card sensor (judging whether the card of insertion is standard magnetic card, it is equivalent to and width detection is carried out to the magnetic card of insertion,
The size of magnetic card is general are as follows: 85.5mm × 54mm).Read head (whether anti-inserted for detecting magnetic card) is provided in bayonet.Work as user
When magnetic card is inserted into bayonet, plug-in card sensor sensing to magnetic card is inserted into, and read head starts card reading at this time, if magnetic stripe can be read, keeps off
Door is opened, and magnetic card can smoothly enter into magnetic card temporary room.
In embodiments of the present invention, the magnetic disturbance device being installed on card reader ontology is additionally provided on card reader ontology.
Referring to Fig.1, the present invention is based on the magnetic disturbance device, propose that a kind of illegal method of ATM card reader, this method include following step
It is rapid:
S60 obtains magnetic card and into card signal or moves back card signal.
For user's plug-in card, when magnetic card is inserted into bayonet by user, if card has passed through plug-in card sensor and reading
The detection of head then keeps off door opening, and master control borad obtains magnetic card into card signal at this time, by magnetic card drive away into.
For user moves back card, after user completes operation in ATM machine, gear door is opened, and master control borad obtains magnetic card and moves back
Card signal ejects magnetic card.It is of course also possible to be first to obtain magnetic card after completing operation in ATM machine as user and move back card letter
Number, right rear stop door is opened, and magnetic card is ejected.
S70 gets the magnetic card into card signal or after moving back card signal, and controlling the magnetic disturbance device sending prevents magnetic card
Steal the interference magnetic field H of brush0。
After master control borad obtains into card signal or moves back card signal, master control borad drives the work of magnetic disturbance device, dry to issue
Disturb magnetic field H0.To even if the bayonet periphery of ATM card reader is provided with magnetic card side recording device, in interference magnetic field H0Interference effect
Under, magnetic card side recording device is difficult to obtain the information of magnetic card.It should be noted that being obtaining into card signal or after moving back card signal
Finger is obtaining into card signal or is moving back card signal preset time t0Afterwards, here, t0It can take 0 second, can also take 1 second, 2 seconds, 3 seconds etc..
Technical solution of the present invention on card reader ontology by being arranged magnetic disturbance device, by obtaining magnetic card entrance or moving back
Signal out controls the magnetic disturbance device and issues interference magnetic field, to generate interference magnetic field at bayonet, can effectively avoid magnetic card
The magnetic card side recording device for being arranged on the bayonet periphery of card reader reads card information, to improve the safety of ATM card reader
Coefficient.
Gear door sensor is additionally provided on card reader ontology in a further preferred embodiment referring to Fig. 2, for detecting gear
Whether door is opened.This method further include:
S40 controls the gear door and opens.Namely after magnetic card has passed through the detection of plug-in card sensor and read head, master control
Plate control gear door is opened.
S50 executes the acquisition magnetic card and believes into card after the gear door opening signal for receiving the gear door sensor feedback
Number or the step of move back card signal.When keeping off door opening, gear door sensor is triggered, at this point, gear door sensor is sent to master control borad
Keep off door opening signal, after master control borad receives the gear door opening signal (master control borad receive gear door opening signal it is default when
Between t1Afterwards, t10 second, 1 second, 2 seconds or 3 seconds or other values can be taken), the magnetic card is obtained into card signal or moves back card signal, and then is controlled
Magnetic disturbance device processed issues interference magnetic field H0.It should be noted that here, can be opened into card signal (moving back card signal) with gear door
Signal is same signal, is also possible to after control panel gets gear door opening signal, and control panel itself generates described into card letter
Number.
Referring to Fig. 3, on the basis of a upper embodiment, this method further include:
S10 obtains the plug-in card signal of the magnetic card insertion bayonet of the plug-in card sensor feedback.
S20, (master control borad receives the preset time t of plug-in card signal after getting the plug-in card signal3Afterwards, t3It can take
0 second, 1 second, 2 seconds or 3 seconds or other values), it controls the read head and reads the magnetic field of magnetic card, and obtain the magnetic field strength B of magnetic card1。
If read head do not read magnetic card magnetic stripe (illustrate the anti-inserted perhaps magnetic card demagnetization of magnetic card or insertion be not magnetic card),
So B1Value it is smaller, close to 0 oersted.If having read magnetic stripe, B1Value it is larger, under normal circumstances, B at this time1Value
Be near the mark the magnetic field strength B of magnetic cardT。
S30, by the magnetic field strength B1With default magnetic field strength B0Comparison, if B0≤B1, then execute the control gear door and beat
The step of opening.Herein, it is contemplated that magnetic card with user's access times increase or other factors (such as wearing, aging etc.)
Will lead to the magnetic field strength of magnetic card reduces.So B herein0Value need than BTValue it is low, such as B0=0.3~0.8BT。
So can determine whether that magnetic card insertion is correct when the magnetic field strength that read head is read is higher than B0.
Referring to Fig. 4, before the step of obtaining magnetic card into card signal, the method also includes:
S61, the control magnetic disturbance device issue the interference magnetic field H for preventing magnetic card from stealing brush1。
Specifically, magnetic card side recording device, generally by battery powered, the electricity of battery is limited.In order to save
Electricity, before magnetic card insertion, magnetic card side recording device is typically at dormant state, and power consumption is very low.Bayonet is inserted into magnetic card
Afterwards, magnetic card side recording device senses the magnetic field of magnetic card, to start to work normally.Here, control magnetic disturbance device sending prevents
Magnetic card steals the interference magnetic field H of brush1Purpose be: triggering magnetic card side recording device be constantly in working condition, avoid its enter suspend mode
State and power saving.It is thus possible within the very fast time, the electric quantity consumption of magnetic card dypass device is complete, the electricity of magnetic card dypass device
After amount is exhausted, it will be unable to admission and obtain card information.
On the basis of a upper embodiment, it is contemplated that interference magnetic field H1If magnetic field strength it is larger, it would be possible that can shadow
The detection for ringing read head, the exact value of magnetic card magnetic field strength can not be read so as to cause read head, and so as to lead to erroneous judgement, (magnetic card is put
Anti-, also can enter magnetic card temporary room), and then may cause the magnetic card later period and can not be identified.
In consideration of it, the interference magnetic field H for preventing magnetic card from stealing brush1Magnetic field strength be less than and described prevent magnetic card from stealing the dry of brush
Disturb magnetic field H0Magnetic field strength.
For interfering magnetic field H1, impacted to further avoid it to the accuracy of read head detection, in the present embodiment
In, the interference magnetic field H for preventing magnetic card from stealing brush1For variable frequency magnetic field.Magnetic field H is interfered generating1Size of current be in crest value
When, read head can be impacted, the magnetic induction intensity for the magnetic stripe for causing read head to detect (interference magnetic field H bigger than normal1Magnetic induction line with
The magnetic induction line of magnetic stripe is superimposed).So master control borad can read head whithin a period of time, the magnetic field strength of the magnetic card of reading is in
When minimum value, that is, interference magnetic field H1Magnetic field strength when being in valley value.Interference magnetic field H is avoided in this way, can reduce1It is right
The detection of read head impacts.
Referring to Fig. 5, before the step of obtaining magnetic card into card signal, this method further include:
S62 obtains the plug-in card signal of the magnetic card insertion bayonet of the plug-in card sensor feedback.
S63, (in the preset time t for receiving plug-in card signal after receiving the plug-in card signal4Afterwards, t4It can take 0 second,
1 second, 2 seconds or 3 seconds or other values), it controls the magnetic disturbance device and stops issuing the interference magnetic field H for preventing magnetic card from stealing brush1, or
Person, which controls the magnetic disturbance device, reduces the interference magnetic field H for preventing magnetic card from stealing brush1Intensity.
Stop issuing the interference magnetic field H for preventing magnetic card from stealing brush here, controlling the magnetic disturbance device1, or described in control
Magnetic disturbance device reduces the interference magnetic field H for preventing magnetic card from stealing brush1The purpose of intensity be: magnetic field H will be interfered1To the shadow of read head
Sound minimizes, and guarantees the normal usage function of read head.
Referring to Fig. 6, if interference magnetic field H0Magnetic field strength be always constant, then, criminal only needs to make magnetic
One and interference magnetic field H are issued on the recording device of card side0Magnetic direction on the contrary, the identical magnetic field of size, can will interfere magnetic field H0
It offsets, thus, magnetic disturbance device will lose its interference effect.Here, in order to further increase the safety coefficient of ATM card reader,
In the present embodiment, the interference magnetic field H for preventing magnetic card from stealing brush0For variable frequency magnetic field.For example, generating interference magnetic field H0Electric current it is big
Small I can be seen relative to duration t to be changed in a manner of sine wave or cosine wave, and pulsed magnetic field (reference is also possible to
Fig. 7)
For pulsed magnetic field, magnetic field H is interfered0Magnetic field strength can change, keep interference magnetic field H0Magnetic field strength
Duration can also change.
Referring to Fig. 8, interference magnetic field H is generated0Size of current value there are two types of (high current and low current), the duration
It is random, that is, master control borad can send a series of digital codes, such as 3,8,2,1,7,4,9 at random, represents high current
For 3 seconds, low current is for 8 seconds, and high current is for 2 seconds, and low current is for 1 seconds ..., and high current is for 9 seconds.
Referring to Fig. 9, in order to further increase interference magnetic field H0Crack difficulty, it is in the present embodiment, described to prevent magnetic
Card steals the interference magnetic field H of brush0For duration and the equal random pulses magnetic field of magnetic field strength.Such as two columns word codes are sent, such as
First row: 9,4,12,8,16,10,2,13,15,5, represent size of current.Secondary series: 4,6,3,5,2,9,4,3,9,4, it is corresponding
Represent the duration of each electric current of first row.Due to interfering magnetic field H0Duration and magnetic field strength be randomly generated
, so, interference magnetic field H can be greatly improved0Crack difficulty, the safety coefficient of ATM card reader is higher.
Invention additionally discloses a kind of ATM card reader, the ATM card reader includes card reader ontology and is installed on the card reading
The magnetic disturbance device of machine ontology, the ATM card reader further include memory, processor and are stored on the memory and can be
The illegal program of the illegal program of the ATM card reader run on the processor, the ATM card reader is executed by processor
The step of illegal method of ATM card reader described in any of the above-described embodiment of Shi Shixian.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (11)
1. a kind of illegal method of ATM card reader, wherein the ATM card reader includes card reader ontology and is installed on described
The magnetic disturbance device of card reader ontology, which is characterized in that this method comprises:
It obtains magnetic card and into card signal or moves back card signal；
The magnetic card is being got into card signal or after moving back card signal, controlling the magnetic disturbance device sending prevents magnetic card from stealing brush
Interfere magnetic field H0。
2. the illegal method of ATM card reader as described in claim 1, which is characterized in that the ATM card reader has gear door
With gear door sensor, the method also includes:
The gear door is controlled to open；
After the gear door opening signal for receiving the gear door sensor feedback, the acquisition magnetic card is executed into card signal or moves back card
The step of signal.
3. the illegal method of ATM card reader as claimed in claim 2, there is the ATM card reader ontology Ka Dao, plug-in card to pass
Sensor and read head, the Ka Dao have bayonet, which is characterized in that this method further include:
Obtain the plug-in card signal of the magnetic card insertion bayonet of the plug-in card sensor feedback；
After getting the plug-in card signal, controls the read head and read the magnetic field of magnetic card, and obtain the magnetic field strength B of magnetic card1；
By the magnetic field strength B1With default magnetic field strength B0Comparison, if B0≤B1, then execute and control the step of gear door is opened.
4. the illegal method of ATM card reader as described in claim 1, which is characterized in that believe in the acquisition magnetic card into card
Number the step of before, the method also includes:
It controls the magnetic disturbance device and issues the interference magnetic field H for preventing magnetic card from stealing brush1。
5. the illegal method of ATM card reader as claimed in claim 4, which is characterized in that the interference for preventing magnetic card from stealing brush
Magnetic field H1Magnetic field strength be less than the interference magnetic field H for preventing magnetic card from stealing brush0Magnetic field strength.
6. the illegal method of ATM card reader as claimed in claim 4, which is characterized in that the interference for preventing magnetic card from stealing brush
Magnetic field H1For variable frequency magnetic field.
7. the illegal method of ATM card reader as claimed in claim 4, the ATM card reader ontology has Ka Dao and plug-in card
Sensor, the Ka Dao have bayonet, which is characterized in that before obtaining the step of magnetic card is into card signal, further includes:
Obtain the plug-in card signal of the magnetic card insertion bayonet of the plug-in card sensor feedback；
After receiving the plug-in card signal, controls the magnetic disturbance device and stop issuing the interference magnetic field H for preventing magnetic card from stealing brush1,
Or the control magnetic disturbance device reduces the interference magnetic field H for preventing magnetic card from stealing brush1Intensity.
8. the illegal method of ATM card reader as described in any one of claim 1 to 7, which is characterized in that described to prevent magnetic card
Steal the interference magnetic field H of brush0For variable frequency magnetic field.
9. the illegal method of ATM card reader as claimed in claim 8, which is characterized in that described to prevent magnetic card from stealing the dry of brush
Disturb magnetic field H0For pulsed magnetic field.
10. the illegal method of ATM card reader as claimed in claim 9, which is characterized in that described to prevent magnetic card from stealing the dry of brush
Disturb magnetic field H0For duration and the equal random pulses magnetic field of magnetic field strength.
11. a kind of ATM card reader, the ATM card reader includes that card reader ontology is done with the magnetic for being installed on the card reader ontology
Disturb device, which is characterized in that the ATM card reader further includes memory, processor and is stored on the memory and can be
The illegal program of the illegal program of the ATM card reader run on the processor, the ATM card reader is executed by processor
The step of illegal method of ATM card reader of the Shi Shixian as described in any one of claims 1 to 10.
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| CN201710645106.0A CN109326045A (en) | 2017-07-31 | 2017-07-31 | The illegal method and ATM card reader of ATM card reader |
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| CN201710645106.0A CN109326045A (en) | 2017-07-31 | 2017-07-31 | The illegal method and ATM card reader of ATM card reader |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110008768A (en) * | 2019-04-08 | 2019-07-12 | 深圳市德卡科技股份有限公司 | The antitheft reading information interference unit of magnetic stripe card and magnetic card swipe equipment |
| CN113924575A (en) * | 2019-06-06 | 2022-01-11 | 日本电产三协株式会社 | Card reader |
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| CN203338474U (en) * | 2013-05-31 | 2013-12-11 | 深圳市中磁计算机技术有限公司 | Anti-theft jammer used for ATM |
| WO2015147664A1 (en) * | 2014-03-28 | 2015-10-01 | BERNACKI, Krzysztof | The system and method of active antiskimming protection especially for devices like teller machines, cash deposit machines, slot machines, parcel lockers, vending machines. |
| KR20160046184A (en) * | 2014-10-20 | 2016-04-28 | 노틸러스효성 주식회사 | An apparatus for measuring banknote thickness in ATM and the measurement method thereof |
| CN205486437U (en) * | 2016-03-18 | 2016-08-17 | 广州广电运通金融电子股份有限公司 | Record system and self -service financial equipment prevent inclining |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110008768A (en) * | 2019-04-08 | 2019-07-12 | 深圳市德卡科技股份有限公司 | The antitheft reading information interference unit of magnetic stripe card and magnetic card swipe equipment |
| CN113924575A (en) * | 2019-06-06 | 2022-01-11 | 日本电产三协株式会社 | Card reader |
| CN113924575B (en) * | 2019-06-06 | 2023-06-06 | 日本电产三协株式会社 | Card reader |
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