CN107564205A - A kind of method and card reader that prevent illegal media from entering card reader - Google Patents
A kind of method and card reader that prevent illegal media from entering card reader Download PDFInfo
- Publication number
- CN107564205A CN107564205A CN201710724487.1A CN201710724487A CN107564205A CN 107564205 A CN107564205 A CN 107564205A CN 201710724487 A CN201710724487 A CN 201710724487A CN 107564205 A CN107564205 A CN 107564205A
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- Prior art keywords
- medium
- card reader
- magnetic stripe
- stripe signal
- inhaled
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Abstract
The invention discloses a kind of method and card reader that prevent illegal media from entering card reader.Wherein, prevent illegal media from entering the method for card reader, including:When detecting the presence of the card inserting mouth of medium insertion card reader, detect the medium and whether there is magnetic stripe signal;If detecting there is magnetic stripe signal in the medium, and the medium is sucked into the card reader;Continue detection magnetic bars during the medium is inhaled into;If being detected during the medium is inhaled into, there are abnormal conditions in the magnetic stripe signal, and the medium is exited into the card reader.Technical scheme provided in an embodiment of the present invention, solves in the prior art the problem of illegal media can steal cardholder information into the card reader of financial self-service equipment, endanger holder's property safety.
Description
Technical field
The present invention relates to financial self-service equipment technical field, more particularly to a kind of side for preventing illegal media from entering card reader
Method and card reader.
Background technology
Card reader has been the functional module of standard configuration in financial self-service equipment.The presence of card reader is to read holder
Card number information.Cardholder information belongs to sensitive information, and card reader is responsible for reading the information on bank card in complete machine, this
Under situation, just there are various criminals to steal cardholder information using all kinds of illegal means.
A kind of means of known illegal acquisition cardholder information are when card enters card reader, to enter simultaneously
One illegal medium, and this illegal medium is possible to record the information of bank clamping people.Specifically, enter in card
Enter an illegal flaky medium while card reader, i.e., illegal flaky medium be placed on bank card top or
Lower section, pre-reading for magnetic stripe is completed using bank card, the gate on magnetic head is opened, then takes bank card, such card reader away rapidly
What inspiration was gone is exactly illegal flaky medium.So as to which illegal flaky medium record enters the bank of the financial self-service equipment
The cardholder information of card, seriously endanger the person and property safety of holder.
The content of the invention
In view of this, the embodiment of the present invention provides a kind of method and card reader for preventing illegal media from entering card reader,
With solution, illegal media can steal cardholder information into the card reader of financial self-service equipment in the prior art, endanger holder
The problem of property safety.
In a first aspect, the embodiments of the invention provide a kind of method for preventing illegal media from entering card reader, including:
When detecting the presence of the card inserting mouth of medium insertion card reader, detect the medium and whether there is magnetic stripe signal;
If detecting there is magnetic stripe signal in the medium, and the medium is sucked into the card reader;
Continue detection magnetic bars during the medium is inhaled into;
If being detected during the medium is inhaled into, there are abnormal conditions in the magnetic stripe signal, and the medium is moved back
Go out the card reader.
Second aspect, the embodiments of the invention provide a kind of card reader, including:Pre- reading head, processor and driving electricity
Machine;
The pre- reading head electrically connects with the processor, for when the card inserting mouth for detecting the presence of medium insertion card reader
When, detect the medium and whether there is magnetic stripe signal, and magnetic stripe letter is persistently detected during the medium is inhaled into card reader
Number, and testing result is sent to the processor;
The processor electrically connects with the motor, for when detecting that the medium has magnetic stripe signal, controlling
The medium is sucked the card reader by motor processed, and the magnetic stripe signal is detected during the medium is inhaled into
When there are abnormal conditions, the medium is exited the card reader by control motor.
The method and card reader provided in an embodiment of the present invention that prevent illegal media from entering card reader, by Jie be present
When matter inserts the card inserting mouth of card reader, whether detection medium is able to detect that magnetic stripe signal, if being able to detect that magnetic stripe signal,
This medium of preliminary judgement is reference fluid, this medium is sucked into card reader, and continue during medium is inhaled into card reader
Detection magnetic bars, if it is abnormal to detect that magnetic stripe signal occurs during medium is inhaled into, then it is assumed that the medium exists abnormal
Or be illegal media, medium is exited into card reader, prevents the medium from stealing information.This programme persistently enters to the magnetic strip information of medium
Row detection, avoid reference fluid midway and replaced by illegal media, final illegal media enters the situation of financial self-service equipment, solution
The card reader that illegal media in the prior art of having determined can enter financial self-service equipment steals cardholder information, endangers holder's wealth
The problem of safe is produced, greatly optimizes the antitheft mechanism of financial self-service equipment, reduces the stolen risk of cardholder information.
Brief description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, of the invention is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 is a kind of flow chart for method for preventing illegal media from entering card reader that the embodiment of the present invention one provides;
Fig. 2 is a kind of flow chart for method for preventing illegal media from entering card reader that the embodiment of the present invention two provides;
Fig. 3 is a kind of structure chart for card reader that the embodiment of the present invention three provides;
Fig. 4 is the structure chart for another card reader that the embodiment of the present invention three provides.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention, rather than limitation of the invention.It also should be noted that in order to just
Part related to the present invention rather than full content are illustrate only in description, accompanying drawing.
It also should be noted that for the ease of description, illustrate only in accompanying drawing part related to the present invention rather than
Full content.It should be mentioned that some exemplary embodiments are described before exemplary embodiment is discussed in greater detail
Into the processing or method described as flow chart.Although operations (or step) are described as the processing of order by flow chart,
It is that many of which operation can be implemented concurrently, concomitantly or simultaneously.In addition, the order of operations can be by again
Arrange.The processing can be terminated when its operations are completed, it is also possible to the additional step being not included in accompanying drawing.
The processing can correspond to method, function, code, subroutine, subprogram etc..
Embodiment one
Fig. 1 is a kind of flow chart for method for preventing illegal media from entering card reader that the embodiment of the present invention one provides.This
The method of embodiment can be performed by card reader.As shown in figure 1, the present embodiment offer prevents illegal media from entering card reader
Method specifically includes:
S110, when detect the presence of medium insertion card reader card inserting mouth when, detection medium whether there is magnetic stripe signal.
In the present embodiment, card reader is the module of device ID piece medium, and equipment judges to enter equipment by card reader
Medium whether be reference fluid, for example, for payment machine, the card reader of payment machine is used for Jie for judging insertion card reader
Whether matter is payment card, and if payment card, then the medium that explanation enters payment machine is reference fluid.Every kind of reference fluid has it
The standard of judgement, for example, under the shape of medium is big, whether contains magnetic stripe, whether contain the characteristics such as chip, it is exemplary, paying
The ad-hoc location of expense card is provided with magnetic stripe, and card reader only needs to judge whether ad-hoc location is provided with magnetic stripe, to judge to insert Card Reader
Whether the medium of device is reference fluid.
In general, the reference fluid for inserting equipment are provided with magnetic stripe in ad-hoc location, are known for the card reader of equipment
Not, so when the card inserting mouth of medium insertion card reader be present, detecting and whether being provided with magnetic stripe on the ad-hoc location of medium, if
Magnetic stripe is provided with, then tentatively judges medium for reference fluid, i.e., whether is able to detect that magnetic stripe is believed on the ad-hoc location of medium
Number, if being able to detect that magnetic stripe signal, it is judged as reference fluid.
If S120, detecting that medium has magnetic stripe signal, medium is sucked into card reader.
After card reader detects that the medium has magnetic stripe signal, then medium is sucked into card reader, so that user passes through
The man-machine interaction page of equipment medium is operated, for example, being supplemented with money etc. to payment card.
S130, continue detection magnetic bars during medium is inhaled into.
If S140, detecting that abnormal conditions occurs in magnetic stripe signal during medium is inhaled into, medium is exited into Card Reader
Device.
During medium is inhaled into card reader, card reader continues detection magnetic bars, if being inhaled into process in medium
In detect that abnormal conditions occurs in magnetic stripe signal, then it is believed that medium be illegal media, card reader exits medium.It is because illegal
Medium can be sucked by card reader together by reference fluid, in order to avoid only when medium inserts during detection magnetic bars, non-
Criminal extracts reference fluid out during method medium and reference fluid enter card reader together, then illegal media equally can
Into card reader, so during medium is inhaled into card reader, magnetic stripe signal is carried out to continue detection, if midway magnetic stripe is believed
Number there are abnormal conditions, it is likely that reference fluid is extracted, and illegal media enters card reader.
Optionally, the abnormal conditions can include:Magnetic stripe signal suddenly disappear or the fluctuation of magnetic stripe signal.Example
Such as, when illegal media and reference fluid enter card reader together, due to the magnetic stripe signal of card reader examination criteria medium always,
If reference fluid is pumped suddenly, card reader may can't detect magnetic stripe signal, or card reader detect magnetic stripe signal because
Occurs larger fluctuation for suddenly change.So suddenly disappearing or fluctuating for magnetic stripe signal is likely to be because standard
Medium is extracted suddenly.
Illegal media can be stayed in card reader always, carried out in subsequent user insertion reference fluid in use, illegal be situated between
Matter can record the user profile of reference fluid holder.For example, contain storage chip in illegal media, for storing user's letter
Breath, and user profile is transferred to by external equipment by approach such as bluetooths.Illegal molecule obtains user profile by external equipment,
Endanger the information and property safety of user.The user profile can include user account and user cipher etc..
Optionally, the card reader can be the card reader of finance device self-service device, then the standard for inserting card reader is situated between
Matter can be bank card, and the ad-hoc location of bank card is provided with magnetic stripe, by detect bank card insert card inserting mouth when and silver
Row card is by detection magnetic bars in card reader suction process, if bank card detects that magnetic stripe signal disappears during being inhaled into
Lose or have larger fluctuation, then illustrate that bank card is possible to be detached suddenly, then card reader is whole by the All Media sucked
Exit.Prevent in existing card reader, bank's card stack has entered illegal media and has been inserted into card inserting mouth, is being inhaled into the process of card reader
Middle bank card is pumped, then illegal media will be left in card reader, self-service using the finance device in follow-up other users
When equipment carries out business operation, illegal media is able to record the cardholder information of the bank card of insertion card reader, including holder
Name, card number and password etc..Juridical-person molecule can forge bank card by these cardholder informations of record, and pass through puppet
The bank card made takes out the money of user account, causes user's property loss.In the present embodiment, process is inhaled into reference fluid
In, if finding there is the interruption of magnetic stripe signal, description standard medium midway is extracted, then no matter together inserted with bank card whether
Illegal media be present, all media all exited into card reader, then prevent illegal media enter equipment the occurrence of.
The embodiment of the present invention one provides the method for preventing illegal media from entering card reader, by medium insertion Card Reader be present
During the card inserting mouth of device, detection medium whether be able to detect that magnetic stripe signal, if being able to detect that magnetic stripe signal, preliminary judgement this
Medium is reference fluid, and this medium is sucked into card reader, and magnetic stripe letter is persistently detected during medium is inhaled into card reader
Number, if it is abnormal to detect that magnetic stripe signal occurs during medium is inhaled into, then it is assumed that the medium exists abnormal or is situated between to be illegal
Matter, medium is exited into card reader, prevent the medium from stealing information.This programme persistently detects to the magnetic strip information of medium, keeps away
Exempt from reference fluid midway to be replaced by illegal media, final illegal media enters the situation of financial self-service equipment, solves existing
Illegal media can steal cardholder information into the card reader of financial self-service equipment in technology, endanger holder's property safety
Problem, the antitheft mechanism of financial self-service equipment is greatly optimized, reduce the stolen risk of cardholder information.
Embodiment two
Fig. 2 is a kind of flow chart for method for preventing illegal media from entering card reader that the embodiment of the present invention two provides.This
Embodiment one is optimized embodiment, and in the present embodiment, card reader is by predicting that magnetic head measures magnetic stripe signal, specifically
, prevent illegal media from entering the method for card reader and can include:
S210, when detecting the presence of the card inserting mouth of medium insertion card reader, control pre-reads the correspondence of magnetism-head detection medium
Position whether there is magnetic stripe signal.
In the present embodiment, card reader includes pre- reading head, and the pre- reading head being arranged in card slot is used to read medium
Correspondence position magnetic stripe, medium insertion card reader card inserting mouth when, predict magnetism-head detection medium magnetic stripe signal, if magnetic stripe
Signal meets the requirement of reference fluid, then card reader may be inhaled the medium.
If S220, detecting that medium has magnetic stripe signal, regulating gate is opened.
Optionally, card reader may also include gate, and gate locating is between card inserting mouth and transmission channel, when detecting medium
In the presence of the requirement for meeting reference fluid magnetic stripe signal when, card reader regulating gate is opened, could be by transmission channel by medium
Suck card reader.
S230, control motor rotate to first direction sucks card reader by medium.
Optionally, card reader can be sucked and be exited medium by motor, and motor drives and is similar to conveyer belt
Transmission channel carry out medium suction and exit.After card reader gate is opened, card reader can control motor to first
Direction rotates, and medium is sucked into card reader by transmission channel, so that user is operated according to the medium in equipment.For example,
If equipment is financial self-service equipment, bank card is sucked financial self-service equipment card reader by motor by transmission channel, with
User is set the operation such as to be traded or inquire about, specifically, the financial self-service equipment can be ATM ATMs.
S240, the pre- reading head of control monitor magnetic stripe signal during medium is inhaled into.
The pre- reading head is additionally operable to continue detection magnetic bars during medium is inhaled into card reader, then card reader
Can be with the magnetic stripe signal at recording medium each moment during card reader is inhaled into, and the trend of magnetic stripe signal can be recorded,
It is easy to card reader to be driven according to the trend of magnetic stripe signal to motor.
If S250, detecting that during medium is inhaled into abnormal conditions occurs in magnetic stripe signal, control motor to
Second direction rotates exits card reader by medium.
During medium is inhaled into, card reader is suddenly disappeared by pre-reading magnetism-head detection to magnetic stripe signal, Huo Zhecong
Raising or reduce suddenly on overall trend, then reference fluid of the explanation with magnetic stripe signal is pulled out, no matter same reference fluid
Whether that together inserts card inserting mouth has other illegal medias, all controls motor to be rotated in the opposite direction to first party,
Exit the medium of all insertion card inserting mouths, and closed shutter, it is therefore prevented that reference fluid and illegal media are together inserted into card inserting mouth
The occurrence of.
The present embodiment two is on the basis of above-described embodiment, and card reader is by its existing pre- reading head of structure to medium
Magnetic stripe signal carries out continuing detection, and drives the suction for the medium for inserting card reader by motor and exit, by simple
Structure can realize the effect for forbidding illegal media to enter card reader, strong applicability, in financial self-service equipment field, optimization
The antitheft mechanism of equipment, reduce the stolen risk of cardholder information.
Embodiment three
Fig. 3 is a kind of structure chart for card reader that the embodiment of the present invention three provides, and the card reader is configured in finance self-help
In equipment.As shown in figure 3, the card reader can include:Pre- reading head 31, processor 32 and motor 33;
Pre- reading head 31 electrically connects with processor 32, for when detect the presence of medium insertion card reader card inserting mouth when,
Detection medium whether there is magnetic stripe signal, and continue detection magnetic bars during medium is inhaled into card reader, and will detection
As a result send to processor 32;
Processor 32 electrically connects with motor 33, for when detecting that medium has magnetic stripe signal, control driving to be electric
Medium is sucked card reader by machine 33, and when detecting that abnormal conditions occurs in magnetic stripe signal during medium is inhaled into, control is driven
Medium is exited card reader by dynamic motor 33.
Pre- reading head 31 when detecting the presence of the card inserting mouth of medium insertion card reader, with the presence or absence of magnetic stripe believe by detection medium
Number, there will be the information transfer of magnetic stripe signal to processor 32 if it magnetic stripe signal be present, processor 32 is by the medium as mark
Quasi- medium sucks card reader, specifically, processor 32 is by controlling motor 33 to rotate suction medium to reading to first direction
Card device, the first direction are the forward direction of motor 33, and motor 33 drives medium to be driven into card reader.It is being situated between
During matter is inhaled into card reader, processor 32 controls the size of the lasting detection magnetic bars of pre- reading head 31 and change to become
Gesture, and when abnormal conditions occurs in magnetic stripe signal, control motor reversion, exit medium.
Card reader provided in an embodiment of the present invention, by when the card inserting mouth that medium inserts card reader be present, detecting medium
Whether magnetic stripe signal is able to detect that, if being able to detect that magnetic stripe signal, this medium of preliminary judgement is reference fluid, and this is situated between
Matter sucks card reader, and continues detection magnetic bars during medium is inhaled into card reader, if being inhaled into process in medium
In to detect that magnetic stripe signal occurs abnormal, then it is assumed that the medium exists abnormal or be illegal media, and medium is exited into card reader, anti-
Only the medium steals information.This programme persistently detects to the magnetic strip information of medium, and it is illegal to avoid reference fluid midway
Medium is replaced, and final illegal media enters the situation of financial self-service equipment, and solving illegal media in the prior art can enter
The card reader of financial self-service equipment steals cardholder information, the problem of endangering holder's property safety, greatly optimize finance from
The antitheft mechanism of equipment is helped, reduces the stolen risk of cardholder information.
In an example of the present embodiment, with reference to figure 4, card reader can also include:Gate 34, gate 34 and processor
32 electrical connections, for being opened when pre- reading head 31 detects that medium has magnetic stripe signal, so that motor 33 can suck
Medium.After the opening of gate 34, motor 33 can suck medium card reader, and the effect of gate 34 is tentatively to judge
The legitimacy of magnetic stripe, if being not detected by magnetic stripe signal, gate 34 will not be opened, tentatively prevent illegal media from entering card reader.
Optionally, card reader can also include shutter opening and closing controller 38, shutter opening and closing controller 38 respectively with processor
32 and gate 34 electrically connect, the opening and closing for the switch command signal regulating gate 34 according to processor.For example, it will be situated between
After matter exits card reader, processor 32 can the closed shutter 34 of regulating gate opening-closing controller 38.
Optionally, card reader can also include:Detect circuit 35, detection circuit 35 respectively with pre- reading head 31 and processor
32 electrical connections, for continuing detection magnetic bars by pre- reading head 31 and transmitting magnetic stripe signal to processor 32.Pre-read magnetic
First 31 connect processor 32 by detecting circuit 35, and detection circuit 35 can control pre- reading head 31 to continue detection magnetic bars,
And the measurement result of magnetic stripe signal is transmitted to processor 32.
Optionally, card reader can also include drive motor controller 37, drive motor controller 37 respectively with processor
32 and motor 33 electrically connect, for according to the drive command signal of processor 32 control motor 33 to first direction turn
Move or rotated to second direction, that is, control motor 33 to rotate forward or invert.
Optionally, card reader can also include encoder 36, and encoder 36 is electric with motor 33 and processor 32 respectively
Connection, for controlling the position of the rotation of motor 33 according to the control signal of processor 32.Encoder 36 can be according to processor
32 control signal come control motor 33 rotate position, if for example, motor 33 to first direction rotate 1.5 circle be
The termination that the medium of reachable card reader setting is placed, then when sucking medium, encoder 36 controls motor 33 to first
Direction rotates 1.5 circles.
Optionally, the card reader is the card reader of financial self-service equipment.
Above-mentioned card reader can realize that what any embodiment of the present invention provided prevents illegal media from entering the method for card reader,
Possess the corresponding functional module of execution method and beneficial effect.
Pay attention to, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious changes,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although being carried out by above example to the present invention
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
Other more equivalent embodiments can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (11)
- A kind of 1. method for preventing illegal media from entering card reader, it is characterised in that including:When detecting the presence of the card inserting mouth of medium insertion card reader, detect the medium and whether there is magnetic stripe signal;If detecting there is magnetic stripe signal in the medium, and the medium is sucked into the card reader;Continue detection magnetic bars during the medium is inhaled into;If being detected during the medium is inhaled into, there are abnormal conditions in the magnetic stripe signal, and the medium is exited into institute State card reader.
- 2. according to the method for claim 1, it is characterised in that:The detection medium whether there is magnetic stripe signal, including:The correspondence position that control pre-reads medium described in magnetism-head detection whether there is magnetic stripe signal;Accordingly, magnetic stripe signal is monitored during the medium is inhaled into, including:The pre- reading head is controlled to monitor magnetic stripe signal during the medium is inhaled into.
- 3. according to the method for claim 1, it is characterised in that if described detect that the medium has magnetic stripe signal, The medium is sucked into the card reader, including:If detecting there is magnetic stripe signal in the medium, and regulating gate is opened;Control motor to be rotated to first direction and the medium is sucked into the card reader.
- 4. according to the method for claim 3, it is characterised in that if detecting the magnetic during the medium is inhaled into There are abnormal conditions in bars, then the medium is exited into the card reader, including:If being detected during the medium is inhaled into, there are abnormal conditions in the magnetic stripe signal, and control motor is to the Two directions rotate exits the card reader by the medium.
- 5. according to the method for claim 1, it is characterised in that:The card reader is the card reader of financial self-service equipment.
- 6. according to the method described in claim any one of 1-5, it is characterised in that the abnormal conditions include:Magnetic stripe signal suddenly disappear or the fluctuation of magnetic stripe signal.
- A kind of 7. card reader, it is characterised in that including:Pre- reading head, processor and motor;The pre- reading head electrically connects with the processor, for when detect the presence of medium insertion card reader card inserting mouth when, Detect the medium and whether there is magnetic stripe signal, and continue detection magnetic bars during the medium is inhaled into card reader, And testing result is sent to the processor;The processor electrically connects with the motor, for when detecting that the medium has magnetic stripe signal, control to be driven The medium is sucked the card reader by dynamic motor, and detects that the magnetic stripe signal occurs during the medium is inhaled into During abnormal conditions, the medium is exited the card reader by control motor.
- 8. card reader according to claim 7, it is characterised in that also include:Gate, the gate electrically connect with the processor, for magnetic stripe be present to the medium in the magnetism-head detection that pre-reads Opened during signal, so that the motor can suck the medium.
- 9. card reader according to claim 7, it is characterised in that also include:Circuit is detected, the detection circuit electrically connects with the pre- reading head and the processor respectively, for by described pre- Reading head continues detection magnetic bars and transmits the magnetic stripe signal to the processor.
- 10. card reader according to claim 7, it is characterised in that also include:Encoder, the encoder electrically connect with the motor and the processor respectively, for according to the processor Control signal control the position that the motor rotates.
- 11. according to the card reader described in claim any one of 7-10, it is characterised in that:The card reader is the card reader of financial self-service equipment.
Priority Applications (1)
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CN201710724487.1A CN107564205A (en) | 2017-08-22 | 2017-08-22 | A kind of method and card reader that prevent illegal media from entering card reader |
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CN201710724487.1A CN107564205A (en) | 2017-08-22 | 2017-08-22 | A kind of method and card reader that prevent illegal media from entering card reader |
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CN201710724487.1A Pending CN107564205A (en) | 2017-08-22 | 2017-08-22 | A kind of method and card reader that prevent illegal media from entering card reader |
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CN108470404A (en) * | 2018-03-05 | 2018-08-31 | 深圳怡化电脑股份有限公司 | Gate control method, device, finance device and storage medium for card reader |
CN110335403A (en) * | 2019-08-29 | 2019-10-15 | 深圳市思乐数据技术有限公司 | Lottery ticket reader and lottery ticket labeling method |
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CN103793674A (en) * | 2009-03-05 | 2014-05-14 | 日本电产三协株式会社 | Card reader and method of controlling card reader |
CN105809843A (en) * | 2015-01-19 | 2016-07-27 | 日立欧姆龙金融系统有限公司 | Card processing device |
CN107393217A (en) * | 2017-08-04 | 2017-11-24 | 恒银金融科技股份有限公司 | A kind of finance self-help terminal device of the anti-non-financial card of insertion |
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CN101777112A (en) * | 2009-01-08 | 2010-07-14 | 日本电产三协株式会社 | Card reader and control method therefor |
CN103793674A (en) * | 2009-03-05 | 2014-05-14 | 日本电产三协株式会社 | Card reader and method of controlling card reader |
CN201927025U (en) * | 2011-01-05 | 2011-08-10 | 深圳市天腾实业有限公司 | Card reader |
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CN108470404A (en) * | 2018-03-05 | 2018-08-31 | 深圳怡化电脑股份有限公司 | Gate control method, device, finance device and storage medium for card reader |
CN108470404B (en) * | 2018-03-05 | 2020-11-17 | 深圳怡化电脑股份有限公司 | Gate control method and device for card reader, financial equipment and storage medium |
CN110335403A (en) * | 2019-08-29 | 2019-10-15 | 深圳市思乐数据技术有限公司 | Lottery ticket reader and lottery ticket labeling method |
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