CN102194276B - Magnetic reading device - Google Patents
Magnetic reading device Download PDFInfo
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- CN102194276B CN102194276B CN201110009949.4A CN201110009949A CN102194276B CN 102194276 B CN102194276 B CN 102194276B CN 201110009949 A CN201110009949 A CN 201110009949A CN 102194276 B CN102194276 B CN 102194276B
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 34
- 238000012360 testing method Methods 0.000 claims description 30
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 230000005855 radiation Effects 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 abstract description 5
- 230000000414 obstructive effect Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 24
- 238000001514 detection method Methods 0.000 description 23
- 238000000034 method Methods 0.000 description 16
- 230000000903 blocking effect Effects 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Classifications
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- 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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- 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]
Abstract
The invention relates to a magnetic reading device, wherein magnetic information recorded by a magnetic recording media cannot be stolen by an illegal reading device. The magnetic reading device comprises a foreign body detecting part for detecting whether a foreign body is near a card inserting opening for inserting or pulling out a magnetic card; a magnetic field generating part positioned near the card inserting opening and used for generating an obstructive magnetic field for obstructing a magnetic field emitted from the foreign body; and a control part for judging whether the foreign body detecting part detects a foreign body, and making the magnetic field generating part generate intensity displacement of the obstructive magnetic field when the control part judges that the foreign body detecting part detects a foreign body.
Description
Technical field
The present invention relates to a kind of magnetic reader, possess the function of the magnetic data that prevents from illegally reading magnetic information recording media, read the magnetic data of magnetic information recording media.
Background technology
Existence is called as the following crime A skimming: at the money transaction treating apparatus such as ATM machine (hereinafter referred to as CD (CashDispenser)) and automated teller machine (hereinafter referred to as ATM (Automated TellerMachine)) and the media that utilize card or bankbook etc. to record magnetic information, carry out in the transaction processing terminal of transaction processing, the illegal magnetic reader that possesses magnetic head is set to, cover the insert port of the magnetic information recording media of original magnetic reader, and unlawfully obtain the magnetic information of magnetic stripe.As its countermeasure, the various technology such as countermeasure 1-3 are disclosed, countermeasure 1 is for to detect installed illegal magnetic reader, countermeasure 2 is for driving off and on magnetic information recording media to be taken into, to return, make thus illegal magnetic reader be difficult to carry out reading of magnetic data, countermeasure 3 is for to make illegal magnetic reader inoperative by magnetic field.
As one of this technology, there is following magnetic card transaction system: at magnetic card, insert, discharge the generation magnetic field, region of Outboard Sections of the draw-in groove of use, hinder illegal magnetic reader (for example, with reference to patent documentation 1).In this magnetic card transaction system, even magnetic head has unlawfully been installed in draw-in groove outside, the obstruction magnetic field that produces mechanism by magnetic field, also can stop and use illegal magnetic head to read the magnetic card that inserts or get rid of.
And, there is following magnetic reader: the insert port at magnetic information recording media arranges tours antenna around, hinders the magnetic information in insert port the place ahead to read (with reference to patent documentation 2).In this magnetic reader, possess: tours antenna, is installed as and is enclosed in magnetic information recording media around; Oscillator, for producing magnetic field from tours antenna; And media detection sensor, detect the magnetic information recording media that are inserted into insert port; In the situation that media detection sensor detects magnetic information recording media, oscillator produces magnetic field from tours antenna, can hinder thus the magnetic data of the magnetic information recording media in insert port the place ahead to read.
Patent documentation 1: TOHKEMY 2001-67524 communique
Patent documentation 2: TOHKEMY 2005-266999 communique
In above-mentioned patent documentation 1, the region generating magnetic field of passing through path that magnetic field generating unit is passed through at the magnetic stripe that comprises magnetic card of the Outboard Sections of draw-in groove, but with no specific disclosure of producing what kind of magnetic field, and (such as the plate of magnetic etc.) is set to the magnetic field that blocking carrys out self-magnetic field generating unit in the situation that illegal magnetic reader, the problem that while having, illegal magnetic reader can reading magnetic data.
And, as shown in figure 11, when the generation that makes magnetic field is the insertion of magnetic information recording media period and while discharge.Therefore, after inserting magnetic information recording media from user till detect magnetic information recording media insertion during (A of Figure 11) and from the eliminating of magnetic information recording media till user extract magnetic information recording media during (B of Figure 11), exist illegal magnetic reader can read the problem of magnetic information.
And, in patent documentation 2, as magnetic field generating unit, use to be installed as to be enclosed in insert port tours antenna around, and the magnetic field that produces a plurality of frequencies.But, identical with the situation of patent documentation 1, in the situation that illegal magnetic reader is set to interdict magnetic field, exist illegal magnetic reader can read the problem of magnetic information.
Summary of the invention
The object of the present invention is to provide a kind of magnetic reader, even in the situation that illegal magnetic reader is set to interdict magnetic field, the magnetic information that magnetic recording medium records can not stolen by illegal magnetic reader yet.
To achieve these goals, magnetic reader of the present invention is characterised in that to possess: foreign matter test section, detects and is carrying out whether there is foreign matter near the insertion of magnetic card or the card insert opening of discharge; Magnetic field generating unit, near above-mentioned card insert opening, produces for hindering the obstruction magnetic field in the magnetic field of sending from above-mentioned foreign matter; And control part, judge whether above-mentioned foreign matter test section detects foreign matter, in the situation that being judged as above-mentioned foreign matter test section and above-mentioned foreign matter being detected, make the intensity displacement in the above-mentioned obstruction magnetic field that above-mentioned magnetic field generating unit produces.
The effect of invention is:
According to the invention provides a kind of magnetic reader, even in the situation that illegal magnetic reader is set to interdict magnetic field, the magnetic information that magnetic recording medium records can not stolen by illegal magnetic reader yet.
Accompanying drawing explanation
Fig. 1 means the block diagram of formation of major part of the magnetic reader of present embodiment.
(a) of Fig. 2 means the in-built schematic diagram of the magnetic reader of present embodiment, (b) mean the figure of the position relationship between insert port and iron core, (c) mean in the situation that the figure of the example that has configured up and down tours antenna of insert port.
(a) of Fig. 3 means the process flow diagram of the processing sequence of the initial actuating after the power connection of magnetic reader, (b) means the process flow diagram of the processing sequence of foreign matter Check processing.
Fig. 4 means the process flow diagram that is taken into the processing sequence when moving or reading action that the magnetic reader of present embodiment blocks.
The process flow diagram of processing sequence when Fig. 5 means the return action that the magnetic reader of present embodiment blocks.
Fig. 6 means the figure that magnetic field generating unit is controlled, made to produce the situation that magnetic field increases to increase the mode of mobile electric current in tours antenna.
The figure that Fig. 7 means in the situation that foreign matter test section detects foreign matter, magnetic field control part makes the situation of frequency change.
Fig. 8 means the block diagram of the formation of the major part that is provided with galvanometric magnetic reader.
Fig. 9 is the process flow diagram that is taken into action and reads the processing sequence of action of the card in the situation that iron core is not set.
(a) of Figure 10 is the time diagram in magnetic field generating unit magnetic field that the front face side of insert port is produced always, is (b) in the situation that carried out the time diagram in the magnetic field that the processing magnetic field generating unit of the process flow diagram shown in Fig. 9 produces.
Figure 11 means the figure in generation period in the magnetic field of prior art.
Symbol description:
1 magnetic reader
2 control parts (CPU)
3 magnetic information reading parts
4 card carrying channels
5 card position sensors
6 storeies
7 host interface
8 magnetic field generating units
9 magnetic field control parts
10 foreign matter test sections
11 foreign matter control parts
12 galvanometer
21 magnetic cards
22 card insert openings
23 cards insert detecting sensor
24 card insert opening unit
29 magnetic heads
34 iron cores
35,35a, 35b tours antenna
36 foreign object detection sensors
40 card conveyance control parts
50 client's detecting sensors
Embodiment
Below, referring to figs. 1 through Figure 11, describe the embodiment of magnetic reader of the present invention in detail.
Fig. 1 means the block diagram of formation of major part of the magnetic reader 1 of present embodiment.Magnetic reader 1 is configured to, and comprising: control part (CPU) 2, the action of main body is controlled; Magnetic information reading part 3, reads and inserts the magnetic data that the magnetic card of main body records; Card carrying channel 4, the card of main body is inserted in conveyance; Card position sensor 5, the position of the card on test card carrying channel 4; Storer 6, the magnetic information that storage is read by magnetic information reading part 3; Host interface 7, as the connecting portion with epigyny device; Card insert opening unit 24, is arranged on main body front face; Magnetic field generating unit 8, is arranged in card insert opening unit 24, produces magnetic field; Magnetic field control part 9, controls the action of magnetic field generating unit 8; Foreign matter test section 10, is arranged in card insert opening unit 24, detects the foreign matter that is arranged on magnetic reader 1 outside; Foreign matter detects control part 11, and the action of foreign matter test section 10 is controlled; Card conveyance control part 40, the conveyance of control card; And client's detecting sensor 50, for detection of user.
(a) of Fig. 2 means the in-built schematic diagram of the magnetic reader 1 of present embodiment.In (a) of Fig. 2, symbol 21 is magnetic card (hereinafter referred to as card 21).On before magnetic reader 1 main body, be formed with the insert port 22 of inserting card 21.Near insert port 22, be provided with the insertion detecting sensor 23 that detects the card 21 that is inserted into insert port 22.This inserts detecting sensor 23 is compression sensor, is configured in the position by pressing from the card 21 of insert port 22 insertions.
And, card 21 is clamped and a pair of carrying roller 25～28 that carries out conveyance is arranged in the conveyance direction of card 21.Magnetic reader 1, as card carrying channel 4, forms the carrying channel of card 21 by these carrying rollers 25～28.A pair of carrying roller 25～28 is respectively the driven roller that a side is passed the revolving force of motor, and the opposing party is driven in this driven roller and the driven voller that rotates.Driving the motor (not shown) of carrying roller 25～28 is 1.
Card conveyance control part 40 by the rotation of this motor (comprising sense of rotation, rotating speed), stop controlling, block 21 the eliminating that is taken into and blocks (returning).Magnetic information reading part 3 has magnetic head 29, and the magnetic information that the magnet of the card 21 of 4 conveyances of card carrying channel that 29 pairs of this magnetic heads are formed by carrying roller 25～28 records reads.And, along the carrying channel of card 21, be arranged with the sensor 30～33 that detection has or not card 21.The configuration space of sensor 30～33 is shorter than the length of the conveyance direction of card 21.Sensor 30～33rd, the optical sensor consisting of illuminating part and light accepting part (all not shown), makes illuminating part and light accepting part clip carrying channel and relative configuration.
In addition, magnetic reader 1 above on be provided with foreign object detection sensor 36, the in the situation that of being provided with foreign matter before insert port 22, will represent that the signal (detection signal) that foreign matter detected outputs to control part 2.
Before magnetic reader 1, to be enclosed in the mode of the surrounding of insert port 22, be provided with iron core 34.The figure of the left part in Fig. 2 (a) means that iron core 34 is enclosed in the figure of insert port 22 situation around.In insert port 22, to surround its mode around, be provided with tours antenna 35 (conductor being wound as to the antenna of 1 circle or multi-turn).The material of iron core 34 is materials that the magnetic susceptibilities such as ferrite are large.Fig. 2 (b) means the figure of the position relationship between insert port 22 and iron core 34.As shown in Fig. 2 (b), being shaped as of iron core 34, is enclosed in insert port 22 around, covers the rear (magnetic head 29 sides of magnetic reader 1) of tours antenna 35.Tours antenna 35 is set to surround iron core 34.When the two ends from 9 pairs of tours antennas 35 of magnetic field control part apply driving signal, tours antenna 35 produces magnetic field at the periphery of insert port 22.This magnetic field hinders stealing of the magnetic information of magnetic card 21 being arranged on insert port 22 illegal magnetic information reading device above.
And iron core 34 is configured to above-mentioned shape, therefore the magnetic field of the front face side radiation to insert port 22 can be increased.And, by this iron core 34 is set always, as shown in Figure 10 (a), can to the front face side of insert port 22, produce magnetic field in advance thus always.And, as described later, can make to increase from the changes of magnetic field of tours antenna 35 radiation, therefore can reduce electric current mobile in tours antenna 35, can suppress the electric power of magnetic reader 1 main body consumption.
In addition, in the following description, although surround iron core 34 ground, dispose tours antenna 35, also can be as shown in Fig. 2 (c), tours antenna 35 is configured in to upper and lower (or position of the symmetry such as left and right) of insert port 22.Now, according to the quantity of tours antenna 35, a plurality of magnetic fields generating unit 8 is set, produces than the large magnetic field of situation that surrounds iron core 34 ground configuration tours antennas 35, therefore can more effectively hinder illegal magnetic reader.And in the situation that Fig. 2 (c), magnetic field control part 9 also can be set as, from a plurality of magnetic fields generating unit 8, produce the different magnetic field of frequency difference.Now, the energy that frequency is lost due to iron loss compared with low magnetic field reduces, and can more effectively hinder illegal magnetic reader.
Below, the action of the magnetic reader 1 of present embodiment is described.(a) of Fig. 3 means the process flow diagram of the processing sequence of the initial actuating after the power connection of magnetic reader 1.After power connection, 9 pairs of magnetic field generating units 8 of the magnetic field control part of magnetic reader 1 drive, in the periphery generation magnetic field (step S1) of insert port 22.And the foreign matter of magnetic reader 1 detects control part 11 and drives foreign object detection sensor 36 (step S2), starts foreign matter Check processing.
(b) of Fig. 3 means the process flow diagram of the processing sequence of foreign matter Check processing.As shown in Fig. 3 (b), in foreign matter Check processing, first foreign matter detection control part 11 judges whether foreign object detection sensor 36 detects foreign matter (step S31).Then, in the situation that foreign matter detects control part 11 and is judged as foreign object detection sensor 36 and foreign matter detected (step S31: be), magnetic field control part 9 as shown in Figure 6, magnetic field generating unit 8 is controlled to increase the mode of mobile electric current in tours antenna 35, increased and produce magnetic field (step S32).On the other hand, in the situation that foreign matter detects control part 11 and is being judged as foreign object detection sensor 36 and foreign matter do not detected (step S31: no), directly carry out standby.
Afterwards, foreign matter detects control part 11 and judges whether foreign object detection sensor 36 becomes and can't detect foreign matter (step S33), be judged as foreign object detection sensor 36 become (step S33: no) can't detect foreign matter in the situation that, magnetic field control part 9 is so that the mode controlling magnetic field generating unit 8 (step S34) that in tours antenna 35, mobile electric current restores finishes processing.In addition, in the situation that being judged as foreign object detection sensor 36 and foreign matter being detected (step S33: be), magnetic field control part 9 maintains the size of electric current mobile in tours antenna 35.When this step S34 finishes, all processing shown in (a) of Fig. 3, (b) of Fig. 3 finish.
In the example shown in Fig. 6, when magnetic field generating unit 8 make drive current be increased to than foreign object detection sensor 36 value P2 that driving current value P1 before foreign matter is larger detected, when foreign object detection sensor 36 becomes and can't detect foreign matter afterwards, magnetic field generating unit 8 makes drive current be reduced to foreign object detection sensor 36 and the driving current value P1 before foreign matter detected.So, by increase magnetic field in the situation that foreign object detection sensor 36 detects foreign matter, even for example, in the situation that the place ahead of insert port 22 is provided with illegal magnetic reader (foreign matter of magnetic), also can hinder illegal acts such as skimming of magnetic reader 1 this illegal magnetic reader.
Fig. 4 means that the magnetic reader 1 of present embodiment blocks 21 the process flow diagram that is taken into the processing sequence when moving or reading action.Below, along this process flow diagram, describe, but in magnetic reader 1, become the state that card 21 do not detected by insertion detecting sensor 23 and sensor 30～33.And 8 pairs of tours antennas of magnetic field generating unit, 35 flow driving electric currents, from tours antenna 35 radia magnetic fields.
As shown in Figure 4, control part 2 judgements are inserted detecting sensor 23 and card 21 (step S41) whether detected, when being judged as (step S41: be) when inserting detecting sensor 23 and card 21 being detected, be judged as and inserted card 21, card conveyance control part 40 starts the rotation (step S42) of carrying roller 25～28.On the other hand, control part 2, when being judged as (step S41: no) when inserting detecting sensor 23 and card 21 not detected, directly carries out standby.
In addition, in the processing of above-mentioned step 42, carrying roller 25～28 is to the card of insertion 21 is taken into direction (hereinafter referred to as positive dirction) rotation to body interior.Afterwards, card conveyance control part 40 make card 21 with certain speed to storage part conveyance.Card conveyance control part 40 will block 21 during to storage part conveyance, the magnetic stripe of magnetic head 29 contact cards 21, and magnetic information reading part 3 reads the magnetic data (step 43) recording in this card 21.
Whether the sensor 33 that control part 2 judgements are configured in the vicinity of carrying roller 28 detects card 21 (step S44), in the situation that be judged as the sensor 33 of the vicinity that is configured in carrying roller 28, card 21 (step S44: be) detected, the card 21 that is judged as institute's conveyance arrives rear end, and card conveyance control part 40 stops the rotation of carrying roller (step S45).On the other hand, in the situation that be judged as the sensor 33 of the vicinity that is configured in carrying roller 28, card 21 (step S44: no) do not detected, directly carry out standby.When this step S45 finishes, all processing shown in Fig. 4 finish.
Below, the action (card return action) when the card 21 staying in storage part storage is returned to user describes.Fig. 5 means the process flow diagram of the processing sequence when magnetic reader 1 of present embodiment blocks 21 return action.
First, card conveyance control part 40 starts the rotation (step S51) of carrying roller 25～28.In step S51, card conveyance control part 40 makes carrying roller 25～28 to the direction from storage part conveyance to insert port 22 (hereinafter referred to as the in the other direction) rotation by card 21, card 21 by with certain speed conveyance to insert port 22.Now, magnetic field control part 9 is also controlled to radiate the mode in obstruction magnetic fields from tours antenna 35 magnetic field generating unit 8.Control part 2 judges whether the sensor 30 of the vicinity that is configured in carrying roller 25 detects the rear end (step S52) of card 21.
Then, in the situation that control part 2 is judged as the rear end (step S52: be) that the sensor 30 of the vicinity that is configured in carrying roller 25 detects card 21, card conveyance control part 40 makes to stop (step S53) to the rotation of the carrying roller 25～28 of opposite spin.On the other hand, in the situation that be judged as the rear end (step S52: no) that the sensor 30 of the vicinity that is configured in carrying roller 25 does not detect card 21, directly carry out standby.In addition, herein, owing to coming front end and the rear end of instruction card 21 based on card 21 conveyance direction, the front end of the card 21 when therefore the rear end of the card 21 during being taken into action and reading action of above-mentioned card 21 becomes this card and returns.
In the above-described embodiment, make the mobile current value of tours antenna 35 increase, the changes of magnetic field that makes thus tours antenna 35 produce, but in the situation that foreign matter test section 10 detects foreign matter, magnetic field control part 9 also can make the frequency change of the drive current of generation.
The figure that Fig. 7 means in the situation that foreign matter test section 10 detects foreign matter, magnetic field control part 9 makes the situation of frequency change.As shown in Figure 7, when foreign matter test section 10 detects foreign matter, magnetic field control part 9 will be set the F1 lower than F2 from F2 to the value of the frequency of the drive current of tours antenna 35.So the value of the frequency of drive current is set to the F1 lower than F2 from F2, the frequency in the magnetic field producing from tours antenna 35 thus reduces.Therefore, in the situation that the foreign matter being placed into before insert port 22 is magnetic, the ability of losing due to iron loss diminishes, and can hinder the illegal magnetic reader that is arranged on insert port 22 the place aheads to illegal acts such as skimming of magnetic reader 1.
And, be provided with in the above-described embodiment foreign object detection sensor 36, but also can be changed into, the galvanometer 12 that the current value of tours antenna 35 is carried out to instrumentation is set.Fig. 8 means the block diagram of formation of the major part of the magnetic reader 1 that is provided with galvanometer 12.By 12 pairs of current values mobile in tours antenna 35 of galvanometer, carry out instrumentation, can detect thus the situation of the foreign matter that the magnetic susceptibilities such as iron plate or ferrite are higher being installed above at tours antenna 35.When the higher foreign matter of magnetic susceptibility has been installed, the inductance of tours antenna 35 changes.As a result, the situation of the foreign matter higher with magnetic susceptibility has been installed is compared current value and is changed.Now, magnetic field control part 9 judges that the current value of institute's instrumentation is whether in the scope predetermining, being judged as, the current value of instrumentation is not in the situation that in the scope predetermining, magnetic field control part 9 is judged as has installed foreign matter, can increase drive current and the magnetic field that tours antenna 35 produces is increased.
And, in the above-described embodiment, with iron core 34, prevent that the reading of magnetic information of 29 pairs of cards 21 of magnetic head from being hindered, but can be configured to, iron core 34 is not set yet.In the situation that the iron core 34 as shown in Fig. 2 (a) is not set, can not physically prevent from being sidelong and penetrating to magnetic head 29 from the magnetic field of tours antenna 35.But, blocking 21 be taken into and read when action, the changes of magnetic field that magnetic field control part 9 is produced, can prevent thus from the magnetic field of tours antenna 35 radiation on magnetic head 29 block 21 read action time impact.
Fig. 9 is the process flow diagram that is taken into action and reads the processing sequence of action of the card 21 in the situation that iron core 34 is not set.Below, along this process flow diagram, describe, but magnetic reader 1 for not detecting the state of card release 21 in inserting detecting sensor 23 and sensor 30～33.And, magnetic field generating unit 8 be in tours antenna 35 flow driving electric current from tours antenna 35 radia magnetic fields.
As shown in Figure 9, control part 2 judgements are inserted detecting sensor 23 and card 21 (step S91) whether detected.Then, at control part 2, be judged as (step S91: be) insert detecting sensor 23 and card 21 detected in the situation that, be judged as and inserted card 21, the mode that card conveyance control part 40 starts rotation with carrying roller 25～28 to positive dirction is controlled (step S92).Afterwards, card conveyance control part 40 will block 21 and arrive storage part with certain speed conveyance, when card conveyance control part 40 will block 21 conveyances to storage part, on sensor 30～33.
Afterwards, magnetic head 29 and the magnetic stripe butt that blocks 21, magnetic information reading part 3 reads the magnetic data (step S95) that this card 21 records.Whether the sensor 33 that control part 2 judgements are configured in the vicinity of carrying roller 28 detects card 21 (step S96), in the situation that being judged as sensor 33 and card 21 being detected (step S96: be), be judged as card 21 and arrive rear end, card conveyance control part 40 stops the rotation of carrying roller (step S97).Afterwards, magnetic field generating unit 8 applies the driving signal to tours antenna 35 according to the indication from control part 2, and tours antenna 35 produces magnetic field (step S98) again.About the return action of card, owing to carrying out the processing identical with the process flow diagram shown in Fig. 5, therefore the description thereof will be omitted herein.
(b) of Figure 10 is in the situation that carried out the time diagram in the magnetic field that the processing magnetic field generating unit of the process flow diagram shown in Fig. 9 produces.As shown in Figure 10 (b), in the situation that sensor 31 detects card 21, magnetic field control part 9 stops the magnetic field producing from tours antenna 35, and afterwards in the situation that sensor 33 detects the rear end of card 21, magnetic field control part 9 makes tours antenna 35 produce magnetic field again.So, even in the situation that not being provided with iron core 34, also can be only magnetic head 29 read card 21 magnetic data during (during sensor 31 and sensor 33 test card 21), stop the magnetic field producing from tours antenna 35, therefore, can hinder and insert card at 21 o'clock or discharging 21 o'clock illegal magnetic readers of card to illegal acts such as skimming of magnetic reader 1.
So, whether 10 pairs of foreign matter test sections exist illegal magnetic reader to detect near the insert port 22 of blocking 21 insertion or discharge, near insert port 22, produce magnetic field generating unit 8 and the magnetic field control part 9 in the obstruction magnetic field for the magnetic field of sending from illegal magnetic reader is hindered, judge whether foreign matter test section 10 detects illegal magnetic reader, in the situation that being judged as foreign matter test section 10 and illegal magnetic reader being detected, make the intensity displacement in the obstruction magnetic field of magnetic field generating unit 8 generations, even thus in the situation that be provided with illegal magnetic reader to interdict the mode in magnetic field, the magnetic data that magnetic recording medium records can not stolen by illegal magnetic reader yet.
For example, even in the situation that be arranged on magnetic reader periphery with the illegal magnetic reader that the plate of magnetic interdicts magnetic field, foreign matter test section 10 detects illegal magnetic reader, and the magnetic field producing from magnetic field generating unit 8 is increased, and therefore also can hinder illegal magnetic reader.And the timing that detects illegal magnetic reader at foreign matter test section 10 makes magnetic field displacement significantly, thus during the insertion of card 21 from inserting card 21 till detecting, the magnetic data of card 21 can not stolen by illegal magnetic reader yet.
And, as shown in Fig. 2 (c), be configured to, a plurality of magnetic fields generating unit 8 is set, when foreign matter test section 10 detects the foreign matters such as illegal magnetic reader, from a plurality of magnetic field generating part, does not produce magnetic field, even therefore in the situation that being provided with illegal magnetic reader as described above, foreign matter test section 10 detects illegal magnetic reader, from a plurality of magnetic fields generating unit 8, produce magnetic field, also can make thus the magnetic field producing increase, hinder illegal magnetic reader.
And, magnetic field control part 9 makes the frequency shifting in the magnetic field of generation when foreign matter being detected by foreign matter test section 10, therefore in the situation that being provided with illegal magnetic reader as described above, can make frequency shifting so that the energy losing due to iron loss reduces, hinder illegal magnetic reader.
And, because the frequency in the magnetic field that is set as producing from a plurality of magnetic fields generating unit 8 is different respectively, therefore for example when being provided with plate with magnetic and interdicting the illegal magnetic reader in magnetic field, the energy that frequency is lost due to iron loss compared with low magnetic field reduces, and hinders illegal magnetic reader.
And, only when foreign matter test section 10 detects foreign matter, from magnetic field generating unit 8, produce magnetic fields, therefore in the situation that being provided with illegal magnetic reader, can hinder the stolen of magnetic information that card 21 records.And, in the situation that illegal magnetic reader is not set, owing to not producing magnetic field, therefore can not consume lavishly electric power.
In the above-described embodiment, foreign matter test section 10 detects illegal magnetic reader, the size in the magnetic field that control part 9 controlling magnetic field generating units 8 in magnetic field produce, but can be also, for example, in the situation that client's detecting sensor 50 detects user by infrared lamp, magnetic field control part 9 makes the magnetic field of magnetic field generating unit generation with the mode displacement of increase.Now, can prevent that user from will block 21 (before inserting magnetic reader 1) illegal magnetic readers during near magnetic reader 1 to blocking stealing of 21 magnetic information.
In addition, the present invention is not limited to above-mentioned embodiment itself, implementation phase can be in the scope that does not depart from its spirit by inscape distortion and specialize.And, by the appropriately combined of the disclosed a plurality of inscapes of above-mentioned embodiment can be formed to multiple invention.For example, also the several inscapes in the whole inscapes shown in embodiment can be deleted.And, also can the inscape in different embodiments be carried out appropriately combined.
Claims (4)
1. a magnetic reader, is characterized in that, possesses:
Foreign matter test section, detects and is carrying out whether there is foreign matter near the insertion of magnetic card or the card insert opening of discharge;
Magnetic field generating unit, near above-mentioned card insert opening, produces the obstruction magnetic field for hindering above-mentioned foreign matter to steal the magnetic information of magnetic card;
Be installed near card insert opening, make the above-mentioned obstruction magnetic field of the front face side radiation of above-mentioned card insert opening become large, and the iron core that absorbs of the above-mentioned obstruction magnetic field of the internal direction of this device of subtend radiation; And
Control part, judges whether above-mentioned foreign matter test section detects foreign matter, in the situation that being judged as above-mentioned foreign matter test section and above-mentioned foreign matter being detected, makes the Strength Changes in the above-mentioned obstruction magnetic field that above-mentioned magnetic field generating unit produces,
Above-mentioned iron core is to surround above-mentioned card insert opening around, to cover L font that the form at the rear of above-mentioned magnetic field generating unit is mounted or the iron core of the font of falling L.
2. magnetic reader as claimed in claim 1, is characterized in that,
Above-mentioned control part, in the situation that being judged as above-mentioned foreign matter test section and above-mentioned foreign matter being detected, so that the intensity in the above-mentioned obstruction magnetic field that above-mentioned magnetic field generating unit produces becomes the Strength Changes that large mode makes above-mentioned magnetic field.
3. magnetic reader as claimed in claim 1 or 2, is characterized in that,
Above-mentioned control part, in the situation that being judged as above-mentioned foreign matter test section and above-mentioned foreign matter being detected, makes the frequency change in the above-mentioned obstruction magnetic field that above-mentioned magnetic field generating unit produces.
4. magnetic reader as claimed in claim 3, is characterized in that,
Also possess the test section that detects user,
Above-mentioned control part, in the situation that being judged as above-mentioned test section and above-mentioned user being detected, makes the Strength Changes in the above-mentioned obstruction magnetic field that above-mentioned magnetic field generating unit produces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210284391.5A CN102982613B (en) | 2010-03-16 | 2011-01-18 | Magnetic reader |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010059650A JP5180984B2 (en) | 2010-03-16 | 2010-03-16 | Magnetic reader |
| JP059650/2010 | 2010-03-16 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210284391.5A Division CN102982613B (en) | 2010-03-16 | 2011-01-18 | Magnetic reader |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102194276A CN102194276A (en) | 2011-09-21 |
| CN102194276B true CN102194276B (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210284391.5A Expired - Fee Related CN102982613B (en) | 2010-03-16 | 2011-01-18 | Magnetic reader |
| CN201110009949.4A Expired - Fee Related CN102194276B (en) | 2010-03-16 | 2011-01-18 | Magnetic reading device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210284391.5A Expired - Fee Related CN102982613B (en) | 2010-03-16 | 2011-01-18 | Magnetic reader |
Country Status (3)
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| EP (1) | EP2367158B1 (en) |
| JP (1) | JP5180984B2 (en) |
| CN (2) | CN102982613B (en) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5807123B2 (en) * | 2012-09-05 | 2015-11-10 | 日立オムロンターミナルソリューションズ株式会社 | Magnetic recording medium reader |
| WO2014037974A1 (en) * | 2012-09-05 | 2014-03-13 | 日立オムロンターミナルソリューションズ株式会社 | Card insertion and ejection opening unit and card processing device |
| JP5824158B2 (en) * | 2012-09-05 | 2015-11-25 | 日立オムロンターミナルソリューションズ株式会社 | Card insertion / discharge port unit, card processing device |
| JP2014186479A (en) * | 2013-03-22 | 2014-10-02 | Oki Electric Ind Co Ltd | Automatic transaction facility |
| CN103456092B (en) * | 2013-09-16 | 2016-01-20 | 广州广电运通金融电子股份有限公司 | Card reader transaction card method, device |
| JP6218524B2 (en) * | 2013-09-18 | 2017-10-25 | 日本電産サンキョー株式会社 | Magnetic recording medium processing apparatus and method for controlling magnetic recording medium processing apparatus |
| WO2015097913A1 (en) * | 2013-12-27 | 2015-07-02 | 日立オムロンターミナルソリューションズ株式会社 | Magnetic reader device provided with magnetic interference loop antenna |
| WO2015136614A1 (en) * | 2014-03-11 | 2015-09-17 | 日立オムロンターミナルソリューションズ株式会社 | Card insertion/discharge slot unit and card handling apparatus |
| JP6311438B2 (en) * | 2014-05-09 | 2018-04-18 | 沖電気工業株式会社 | Automatic transaction apparatus and medium processing apparatus |
| JP6612018B2 (en) * | 2014-07-01 | 2019-11-27 | 日本電産サンキョー株式会社 | Magnetic field generator, magnetic field generator control method, and magnetic recording medium processing apparatus |
| JP6211498B2 (en) * | 2014-09-26 | 2017-10-11 | 日本電産サンキョー株式会社 | Card reader and card reader control method |
| JP6225273B2 (en) * | 2014-10-30 | 2017-11-01 | 日立オムロンターミナルソリューションズ株式会社 | Card insertion / discharge unit, card processing apparatus and automatic transaction apparatus |
| CN104537757A (en) * | 2014-12-15 | 2015-04-22 | 深圳怡化电脑股份有限公司 | Magnetic card anti-theft device of magnetic card reading device |
| JP6417264B2 (en) * | 2015-04-17 | 2018-11-07 | 日立オムロンターミナルソリューションズ株式会社 | Card insertion / discharge unit, card processing apparatus and automatic transaction apparatus |
| JP6492984B2 (en) * | 2015-06-03 | 2019-04-03 | 沖電気工業株式会社 | Automatic transaction equipment |
| KR20170104743A (en) | 2016-03-08 | 2017-09-18 | 주식회사 엘지씨엔에스 | Banking machine and control method thereof |
| JP6689776B2 (en) * | 2017-03-10 | 2020-04-28 | 日立オムロンターミナルソリューションズ株式会社 | Card processing device, automatic transaction device, and card slot unit |
| MX2020008796A (en) * | 2018-02-23 | 2021-01-08 | Madic Italia S P A | Method for detecting the presence of a smart card cloning device in an automatic payment and/or withdrawal terminal and respective automatic payment and/or withdrawal terminal. |
| CN108597148B (en) * | 2018-03-30 | 2021-04-16 | 昆明飞盟科技有限公司 | Anti-theft card detection device and anti-theft card detection method for financial automatic teller machine |
| CN108765790A (en) * | 2018-05-24 | 2018-11-06 | 深圳怡化电脑股份有限公司 | A kind of bank self-help terminal and foreign matter retrieval methods |
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| JP4425674B2 (en) | 2004-03-17 | 2010-03-03 | 日立オムロンターミナルソリューションズ株式会社 | Magnetic card reader |
| WO2010123471A1 (en) * | 2009-04-20 | 2010-10-28 | Cihat Celik Basar | Anti-fraud device for self service terminals |
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| JP4954263B2 (en) * | 2009-10-30 | 2012-06-13 | 日立オムロンターミナルソリューションズ株式会社 | Magnetic card reader |
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2011
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- 2011-01-18 CN CN201210284391.5A patent/CN102982613B/en not_active Expired - Fee Related
- 2011-01-18 CN CN201110009949.4A patent/CN102194276B/en not_active Expired - Fee Related
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| DE102008012231A1 (en) * | 2008-03-03 | 2009-09-10 | Wincor Nixdorf International Gmbh | Protective device, self-service terminal and method for preventing skimming on a card reader |
| DE102009019708A1 (en) * | 2009-05-05 | 2010-11-18 | Helgoland Beteiligungen Gmbh | Device for protecting card reader, particularly of vending machine, has unit for generating magnetic-, electric-, electromagnetic- and mechanical fields |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP2367158B1 (en) | 2018-06-27 |
| JP2011192182A (en) | 2011-09-29 |
| CN102982613A (en) | 2013-03-20 |
| CN102194276A (en) | 2011-09-21 |
| CN102982613B (en) | 2016-01-06 |
| EP2367158A1 (en) | 2011-09-21 |
| JP5180984B2 (en) | 2013-04-10 |
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