JPS60132288A - Magnetic card discriminating system - Google Patents

Abstract

PURPOSE:To discriminate a kind of a magnetic card by detecting whether an output signal of a track of a magnetic stripe of an inserted magnetic card exists or not, and discriminating whether the inserted magnetic card has a single track or a multi-track. CONSTITUTION:A magnetic stripe of an inserted magnetic card is read by a magnetic head 33, and whether there is a difference or not in output signals of each track T1, T2 of the magnetic head 33 is discriminated by a detecting circuit. That is to say, when the detecting circuit has not detected a difference of a magnetic flux density, it is discriminated that the magnetic stripe contacted by pressing to the magnetic head concerned is a single track, and when the difference of the magnetic flux density is detected, it is discriminated that the magnetic stripe contacted by pressing to the magnetic head is a multi-track. In this way, not only whether a card inserted from an inserting port is a magnetic card having a magnetic stripe or not, but also a kind of the magnetic stripe can be discriminated.

Description

[Detailed Description of the Invention] [Technical Field of the Invention] The present invention relates to a magnetic card identification method for identifying a magnetic card used in an automatic service device operated by a user such as an automatic cash dispensing machine. magnetic cart 9
The present invention relates to a magnetic cart 9 identification method that can identify the type of the cart.

[Technology background]

In recent years, users have been forced to carry magnetic cards instead of seals.
Automatic service equipment that performs various transactions by inserting a magnetic cart 9 is widely used. For example, if you have a magnetic card issued by a bank, you can withdraw cash from your account using an automatic teller machine.
Similarly, if you use an automatic teller machine, you can deposit cash into your account.

[Conventional technology and problems]

Such equipment is equipped with a magnetic card reader, which reads the contents of the magnetic cart 9 inserted by the user and is used to verify the user's identity and determine whether or not a transaction is possible. In order to prevent a foreign object such as a card other than the magnetic cart 9 from being inserted into the card insertion slot of the magnetic cart 1 reader due to mischief or mistake, the magnetic cart reader may be damaged. A cart 9 identification device is provided.

As shown in FIG. 1, the conventional magnetic cart 9 identification device includes a shutter 32 between a magnetic card insertion slot 30 and a reading magnetic head 940 of a magnetic card reader, and further between the shutter 32 and the insertion slot 30. A magnetic detection means 31 is provided at the top. Then, the magnetic cart 912 is inserted into the insertion slot 3.
0, the magnetic detection means 31 detects the magnetic card 12.
Only when the magnetism of the magnetic stripe 20 is detected, the shutter 32 is opened, the magnetic card 12 is sent to the magnetic head 40 of the magnetic card league by a feed roller (not shown), and the information on the magnetic stripe 20 on the magnetic card 12 is read. I'm trying to make it happen. Therefore, the magnetic flux of the cart 9, etc. that does not have the magnetic stripe 20, the cart 9 that has the magnetic stripe 20 but is not placed in a predetermined position, and the magnetic card that can be handled and has the magnetic stripe 20 placed in a predetermined position. It is identified by the output of the detection means 31, and only when a usable magnetic card is inserted, the shutter 32 is opened and reading is performed by the magnetic card reader. In addition, as shown in FIG. The shutter 32 is prevented from opening unless the card is inserted in the correct direction.This conventional magnetic flux detection type magnetic card identification system has a simple configuration and can identify the magnetic cart 9 that can be handled as described above. On the other hand, in recent years, the magnetic cart 9 has come to be used in various transactions, and various standardized types of magnetic carts have been used accordingly. The JIS (Japanese Industrial Standards) card in Figure fAl, the l5O (International Organization for Standardization) card in Figure 2 (B), and the JIS/ISO card in Figure 2 (Q) are known. As shown in FIG. 2 fAJ, one track of magnetic stripe 20 is provided on the main body 10 of the car F, and is widely used mainly in bank cards for banking operations.

The ISO card is attached to the main body of the cart as shown in Figure 2 (Bl).
The magnetic stripe 21 of three tracks 21α, 21A, and 21C is provided on the card, and it can accommodate a larger amount of data than a JIS card, and is used in the credit (credit sales) and loan industries, which require a large amount of data. JIS/IS
The cart 9 has a first magnetic stripe 20 of one track on the front side of the cart body 12 and a second magnetic stripe 2 of three tracks on the back side as shown in FIG. 2(C) and (Dl).
1 is provided and configured, just like the JIS card (Fig. 2 (
It is a combination of an ISO cart 9 (Fig. 2 (B)) and a single cart 9 that allows transactions of bank deposits using the first magnetic stripe 20 and transaction of deposits from banks etc. using the first magnetic stripe 20. Credit or loan transactions using 21 are possible.

As various magnetic carts were standardized in this way, corresponding magnetic cart leagues were developed.For example, since JIS cards are single track, magnetic carts with a magnetic head 9 for single track reading were developed. The league is
For multi-track RSO cards, a magnetic cart-league having a magnetic head 9 for multi-track reading is used, and for JIS/ISO cart 9, a magnetic card reader having both magnetic heads is used. Therefore, in the conventional magnetic card identification system, even when the ISO car 1 is inserted into a device equipped with a magnetic card league for JIS cards, it is identified as a regular magnetic card and the magnetic card league reads it. For this reason, no matter how many times ISO Cart 9 is read in Magnetic Cart League, data in the specified format cannot be obtained, so IS is treated as a data error.
O To return the Cart 9 to the insertion slot, a wasteful reading operation is performed, and it is not possible to determine whether the reason for the return is an error in the data in the JIS Cart 9 or an ISO card. was there. Similarly, the same problem occurs when a JIS card is inserted into a device equipped with an ISO card magnetic cart reader, and the same problem occurs when a JIS card is inserted into a device equipped with a magnetic card league for JIS/ISO carts. The problem arises.

Therefore, the conventional magnetic car 1-' identification method has a problem in that it is not possible to identify the types of magnetic carts 9 that are used in various ways.

[Purpose of the invention]

An object of the present invention is to provide a magnetic card identification method that can identify whether the inserted magnetic cart 9 has a single track or a multitrack, and can identify the type of magnetic card.

[Structure of the invention]

To achieve the above object, the present invention provides a multi-track magnetic head 9 for reading the contents of a magnetic stripe of a magnetic card having a magnetic stripe, and a multi-track magnetic head 9 for reading the contents of the magnetic stripe of a magnetic card having a magnetic stripe. and a detection circuit for detecting the presence or absence of a difference in magnetic flux density, and when the detection circuit does not detect a difference in magnetic flux density, it is determined that the magnetic stripe in contact with the magnetic helad is a single track. ,
It is characterized in that when the difference in magnetic flux density is detected, the magnetic stripe in contact with the magnetic head is identified as a multi-track.

Further, one embodiment of the present invention is characterized in that the magnetic head 9 is provided at an insertion slot into which a cart is inserted in order to cause the magnetic card league to read the contents of the magnetic card.

[Embodiments of the invention]

Hereinafter, the present invention will be explained in detail with reference to Examples.

FIG. 3 is a configuration diagram of one embodiment of the present invention, in which 30
32 is a card insertion slot for inserting a cart from the outside; 32 is a card shutter for preventing cards from entering from the card insertion slot 30; 33;
38 is a magnetic head, which has a plurality of reading tracks as will be described later, and which is provided near the card insertion slot 30 and reads the contents of the magnetic stripe of the magnetic cart 9 inserted from the insertion slot 30; A card sensor is used to detect that a card is inserted into the card insertion slot 30. 40 is a magnetic head of a magnetic card reader, and if it is a magnetic card reader for J-Ko S card, it is a single track type. If it is an ISOS-Card League, a multi-track one is used. 41α,
41b, 42α.

42h, 43α, 43b, 44α, and 44h are the feed rollers of the magnetic cart league, and the feed roller 41α.

41.6 is for inhaling the inserted cart 9;
1 feed rollers 44α, 446 are for sending the read cart to a slip creation unit to be described later.

50 is a slip creation unit that transfers the embossment of the magnetic card sent from the card reader onto slip paper, records the transaction amount, date, etc., creates a journal and slip (receipt), and inserts the card into the cart. Items to be returned to the League;
51 is a slip guide, which guides the slip created by the slip creation unit 50 to the card entrance; 52 is a slip feed roller, which is used to send the slip from the slip creation unit 50 to the card entrance. .

FIG. 4 is an explanatory diagram of the principle of the present invention, in which the magnetic head 933
This shows the correspondence between the tracks on the magnetic card and the magnetic stripe tracks on the magnetic card. As shown in Figure 4, the magnetic head 9
33 is a read track TI of multiple tracks (2 in the figure)
, T2. On the other hand, the magnetic stripe 2o of the JIS card 10 is composed of a single track as shown in Figure 4, and its recording density is 21 Q h p i (
bit per 1rLc) and ISO card 1
The magnetic stripe 21 of FIG.
1) J6 recording density W Ha 210 hpi.

The recording density of track Tγ2 is 75 hpi.

In the ISO cart 911, two of the three tracks, tracks Tri and Tr2 or tracks Tr2 and Tr3, are used during use.

In the present invention, the magnetic head 33 reads the magnetic stripe of the inserted magnetic cart 9, and the detection circuit determines whether there is a difference between the output signals of the respective tracks TI and T2 of the magnetic head 33. In other words, if it is a JIS card, it is a single track, so naturally the magnetic head 93
3 track TI.

The output signal of T2 is the same, and conversely, since the ISO cart 9 is a multi-track, the output signal of track T1 of the magnetic head 33 (the content of track Tγ1 of the magnetic stripe 21) and the output signal of track T2 ( The recording density is different from the content of track Tγ2 of the magnetic stripe 21). Therefore, both tracks TI and T2 of the magnetic head 33
The inserted card can be identified as a JIS cart 9 or an ISO cart 9 by detecting a difference in the number of pulses or a difference in phase between the tracks from the output signal of the card.

FIG. 5 is a configuration diagram of an embodiment of the detection circuit of the present invention, in which 33α, 33b are tracks TI of the magnetic herad 33,
T2, 61.62 is an amplifier, and magnetic head 3
3 for amplifying the read signal of each track TI, T2;
63 and 64 are waveform shaping circuits that shape the waveform of the read signal amplified by the amplifiers 61 and 61 and convert it into pulses; 65 and 66 are counters;
8 is turned on (card detection), the reset is released, the waveform shaping circuits 63 and 64 start counting the output pulses, and when a predetermined value (for example, 8) is reached, an over signal is output. 67 is an OR circuit,
68 which calculates the logical sum of the OUTZ2- signals of both counters 65 and 66 and gives permission for comparison to a comparison circuit 68, which will be described later.
is a comparator circuit, which is composed of an arithmetic circuit such as a microprocessor, and when an over signal is output, both counters 65 and 66
Read out the counted value, compare the numbers on both hands, and if they match, send a card shutter drive signal (JIS card identification signal)
69 is a one-cart shutter drive circuit, which emits a card shutter shutter 32 by a card shutter drive signal.
(Fig. 3).

This configuration is a detection circuit for JIS carbi identification, and the third
The operation will be explained along with the diagram configuration.

First, when a user inserts a magnetic card into the card insertion slot 30, the card sensor 38 detects this and both counters 65
．． Cancel the reset of 66. This allows both counters (
55 and 66 become capable of pulse counting. As the card is inserted, the magnetic strip of the magnetic card comes into contact with the magnetic head 933 and passes through it. magnetic stripe data tj
Since the timing data (all ``θ''') is recorded before the actual data, the magnetic total rad 33
reads this timing data and tracks that track 33.
,! ,a.

A read signal corresponding to this is output from 33b.

This read signal is input to the amplifier 61'I62 by
], and the waveform shaping circuit 63. Shaped into a pulse at +34. This norus is the unreset counter 65.
66 each. And both counters 65.66
When one of the two counts a predetermined value, the O7
2 signal is output, inhibiting the operation of the other counter, and at the same time, the OR circuit 67 notifies the comparator 68 that the comparison is permitted. This causes the comparator circuit 68 to output both counters 65 .
The contents α and b of 66 are read out and the counted values α and h are compared.

If the counted values of both counters match (α=h), the inserted cart 9 is assumed to have a magnetic stripe and a single track magnetic stripe (J'IS card), and the card shutter drive signal is transmitted. Output and cart”
The shutter 32 is opened by the shutter drive circuit 69. Since the shutter 32 is controlled in this way, it is necessary to make a determination based on the read signal of the magnetic head 33 while the magnetic cart is moving from the insertion slot 30 to the shutter 32.

On the other hand, this cart 9 shutter drive signal is transmitted to the feed roller 41.
It is also used as a drive start signal for α to 44A, thereby causing the feed rollers 41α to 44b to rotate.

Therefore, the cart 9 inserted by opening the shutter 32 is further sucked in by the suction feed rollers 41α, 4'1hiC, and then sent for reading by the feed rollers 42α7 to 44h, and the magnetic stripe of the card is printed by the magnetic head 940. The contents are read. If there is an error in the read content, the reading operation is repeated many times, and if an error still occurs even after reading the predetermined number of times, the feed rollers 41α to 44b
Flip it over and return it. On the other hand, when a transaction permission signal is issued from a control unit (not shown), the feed rollers 44α, 44b
The magnetic cart 9 is sent to the slip creation unit 1-50, the embossment on the cart 9 is transferred to the slip paper, the details of the transaction are recorded on the slip paper, a journal and a slip are created, and the slip is sent to the slip creation unit 50. The document is then sent to the slip guide 951. At the same time, the card is in slip creation unit 5
From 0 to the feed roller 44α.

446, these feed rollers 41d to 44h rotate in the reverse direction, and the card is returned one square inch toward the card insertion slot 30, and is ejected to the card insertion slot 30 together with the slip sent by the feed roller 52, completing the transaction.

In this way, since the shutter 32 is not opened when the comparison circuit 68 does not produce a matching result, the magnetic card (
For example, inserting an ISO card into a magnetic card reader is prohibited. A shutter 32 is provided to perform this prohibited operation, but if this is not provided, the suction feed roller 41α
, 41h may not be rotated to perform the same operation.

In the above explanation, we have explained the case where the use of JIS Cart 9, that is, a magnetic card with a single-track magnetic stripe, is permitted, but the use of an ISO card, that is, a magnetic card with a multi-track magnetic stripe with different recording densities, is permitted. This section explains the cases in which this is permitted.

FIG. 6 is a block diagram of another embodiment of the detection circuit of the present invention,
A detection circuit for ISO card identification is shown.

In the figure, the same parts as in Figure 5 are indicated by the same symbols.
Symbols 34-78 correspond to 33-68 in FIG.

That is, 34 is a magnetic head installed in the cart' insertion opening 30, 34α and 34h are tracks TI and T2 of the magnetic head 34, 71.72 is an amplifier, and each track TI of the magnetic head 934, 7, 3.74 is a waveform shaping circuit that amplifies the read signal of T2, and amplifier 7
1. 72 waveform-shapes the amplified read signal and converts it into a pulse, 75° 76 is a counter, and cart 9
When the sensor 38 turns on (card detection), the reset is canceled and the waveform shaping circuits 73 and 74 start counting the output pulses and count the output pulses to a predetermined value (for example, 8).
77 is an OR circuit that takes the OR of the over signals of both counters 75 and 76 and gives permission for comparison to a comparison circuit 78, which will be described later. 78 is a comparison circuit. , arithmetic circuits such as microprocessors, and when an over signal is output, both counters 7
5. Reads the count value of 76, compares the values of both hands, and if they do not match, issues a ζ cart 9 shutter drive signal (ISO card identification signal), 79 is an OR circuit,
The logical sum of the comparison results of the comparator circuit 78 is taken and a card shutter drive signal is output.

To explain the operation of the configuration of the embodiment shown in FIG. 6, the operation up to the comparator circuit 78 is the same as that shown in FIG. 5, and the explanation thereof will be omitted. In the comparison circuit 78, the count value α of the counter 75 and the count value α of the counter 7
When the count value of 6 does not match (that is, α4b and α
〉b or a (b), it is determined that the magnetic cart is multi-track and the recording density between each track is different, and the inserted magnetic cart ° has a magnetic stripe and the IS
Identifies it as an O card. On the other hand, if the count values a and b match, it is identified as a magnetic stripe (for example, a single track) where the recording densities of the tracks do not differ.

Comparison circuit 78 outputs an output when α>b or α<h (for -I SO card), and outputs a card shutter drive signal via OR circuit 79. The subsequent operations are the same as those described in FIG. 5 and will therefore be omitted. In addition, in Figure 3, the magnetic head)
433 is replaced by 34, and the magnetic head 940 is replaced by a multi-track one. Although the magnetic screws 33 and 34 provided in the card insertion slot 30 are described as being for two tracks, they may also be for three tracks.In this case, a detection circuit is installed to count and compare the output of each track. Configure. According to this configuration, the ISO cart 9 can also detect whether or not there is a standard 3-track stripe [1].

Furthermore, a configuration in which only JIS cards and RSO carts 9 are accepted is also possible. For this purpose, a single-track magnetic head 40α for JIS cart 9 and a multi-track magnetic head 940b for ISO cards are provided as the magnetic head 40 of the card league, and a detection circuit is also provided. , in addition to the configuration shown in FIG. 6, OR circuit 79
An OR circuit is further provided to take the logical sum of the output of the comparator 78 and the output of α=b of the comparator circuit 78, and the 11 of this newly provided OR circuit is
1 force is input to the card shutter drive circuit 69 as a cart 9 shutter drive signal. The output of the OR circuit 79 is sent to the ISO card, and the comparison circuit 7 serves as an identification signal.
The output of α=b of 8 is used as a JIS car car-specific signal, inputted to a control unit (not shown), and sent to magnetic heads 940α, 4.
0h to be used.

Next, an example in which the present invention is used to identify the direction of the JIS/ISO cart 9 shown in FIG. 2(C) will be described.

FIG. 7 is a configuration diagram of another embodiment of the present invention.
Components that are the same as those in Fig. 6 are indicated by the same symbols, and 4
5 is a magnetic helad for multi-track (for ISO cart 9).

According to this configuration, the magnetic cart hoop is a JIS car F.
It has a single-track magnetic head ``40'' for use with a JIS/ISO card and a multi-track magnetic head ``45'' for ISO cards, and has magnetic stripes on both sides. On the other hand, since the card insertion slot 30 is provided with the magnetic head q4O945 as described above, the magnetic head 33 for JIS identification and the magnetic head 34 for ISO identification are read. are placed facing each other.

FIG. 8 is a block diagram of the detection circuit for the configuration shown in FIG. 7. In the figure, the same parts as in FIGS. 68 JIS
The identification signal (a=h) and the ISO identification signal (c>d, c<cl) of the comparator circuit 78 are logically summed to output a cart 9 shutter drive signal. 8th
The configuration shown in the figure is a combination of the configuration shown in FIG. 5 and the configuration shown in FIG. 6, and its operation is a combination of the operations shown in FIGS. 5 and 6.

The operation of the configurations of FIGS. 7 and 8 will be explained with reference to the operation diagram of FIG. 9. Figure 9 (JIS/IS as shown in the diagram)
A multi-track magnetic stripe 21 for ISO is placed on the front side of the O card 12 where the single-track magnetic stripe 20 for JLS comes into contact with the magnetic head q40゛.
When the card is inserted into the card slot 30 with the back side of the figure in contact with the magnetic heads 45, both magnetic heads 3
The read signals from 3.34 are sent to amplifiers 61, 62, and 71, respectively.
, 72° waveform shaping circuits 63, 64, 73, 74, and are shaped into pulses, which are input to counters 65, 66, 75, 76. Therefore, the counters 65 and 66 count pulses based on the contents of the magnetic stripe 20, and the counter 75 counts pulses based on the contents of the magnetic stripe 21.
The counter 76 counts pulses based on the content of the track Tγ2 of the magnetic stripe 21. Therefore, the comparison circuit 68 receives the JI'S identification signal (α=5
), the comparator circuit 78 compares the ISO & tflj separate signal (αzh
), a card shutter drive signal is output from the OR circuit 80, the card shutter drive circuit 69 is driven by 1, the shutter 32 is opened, and the card is allowed to be accepted. The subsequent operations are the same as in the case of FIG.

Conversely, even if the card is inserted with the magnetic stripe 21 on the front side of the figure and the magnetic stripe 20 on the back side of the figure as shown in FIG. 9 FB+, the comparator circuit 68 will output α(b).

Since the comparison circuit 78 detects α=h, the cart 9 shutter drive signal is not output from the OR circuit 80, and the shutter 32 is not opened. That is, in the J-Eng S/ISO cart 9, acceptance is performed only when the magnetic stripe 20 is inserted into the magnetic head 940 in a direction such that the magnetic stripe 21 contacts the magnetic head 45. This relationship is magnetic head) 40 is for multi-track, magnetic head 94
5 is for single track, the opposite is true.

Figure 2 (A) (7) JIS car)'
10. The shutter 32 is also opened when the magnetic stripe 20 is inserted in a direction such that it is on the front side, and when the ISO car car 1 shown in FIG. These magnetic carts 9 are accepted.

On the other hand, if the OR circuit 80 of the configuration shown in FIG. You can choose from various options.

Although the present invention has been described above using one embodiment, the present invention can be modified in various ways according to the gist of the present invention, and these are not excluded from the present invention.

〔Effect of the invention〕

As explained above, according to the present invention, there is provided a multi-track magnetic head for reading the contents of the magnetic stripe of a magnetic card having a magnetic stripe, and an output signal between the tracks of the output signal of each track of the magnetic head. and a detection circuit that detects the presence or absence of a difference in magnetic flux density, and when the detection circuit does not detect the difference in magnetic flux density, it is determined that the magnetic stripe in contact with the magnetic herad is a single track. When a difference in magnetic flux density is detected, the magnetic strip that is in contact with the magnetic head 9 is identified as a multi-track card, so that the card inserted through the slot has a magnetic strip. This has the effect that it is possible to identify not only whether the card is a magnetic card or not, but also the type of magnetic stripe, and therefore it is possible to determine whether the magnetic card is a magnetic card that cannot be handled even by the magnetic cart 9. Moreover, by applying the identification method in front of the magnetic cart reader, it is possible to permit or disallow the entry of such magnetic cards into the magnetic card reader, thus preventing in advance the reading operation of the magnetic card league by magnetic cards that cannot be handled. I can do it. In addition, since the discrimination is based on the difference in recording density, it is possible to easily and quickly discriminate, which is extremely useful in practice.

[Brief explanation of the drawing]

Fig. 1 is an explanatory diagram of a conventional magnetic card identification system, Fig. 2 is an explanatory diagram of a standardized magnetic cart, Fig. 3 is a configuration diagram of an embodiment of the present invention, and Fig. 4 is an explanatory diagram of the principle of the present invention. , FIG. 5 is a block diagram of an embodiment of the detection circuit for the configuration shown in FIG.
The figure is a block diagram of another embodiment of the detection circuit for the configuration shown in FIG. 3, FIG. 7 is a block diagram of another embodiment of the present invention, and FIG.
FIG. 9 is a block diagram of an embodiment of the detection circuit for the configuration shown in FIG. In the figure, 10, 11. 12...Magnetic card, 20° 21
...Magnetic stripe, 33.34...Magnetic strip, 30...Cart 9 insertion slot, 32...Cart 9
Shutter, 40.45... Magnetic head of magnetic cart 9 reader. Patent Applicant Fujitsu Ltd. Representative Patent Attorney Akira Yamatani Figure 1 (4) (8) Figure 2 (,4) (B) (Gon (D)

Claims (2)

[Claims] (1) A multi-track magnetic head 9 reads the contents of the magnetic stripe of a magnetic card having a magnetic stripe, and detects the presence or absence of a difference in magnetic flux density between the output signal tracks from the output signal of each track of the magnetic head 9. and a detection circuit that detects that the magnetic stripe in contact with the magnetic head is a single track when the detection circuit does not detect the difference in the magnetic flux density, and when it detects the difference in the magnetic flux density. A magnetic card identification method that identifies a magnetic stripe that comes into contact with a magnetic head as a multi-track card. (2) The magnetic head 9 is provided in an insertion slot into which a card is inserted in order to cause a magnetic cart 9 reader to read the contents of the magnetic cart.
Magnetic card identification method described in section 1).