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Magnetic recording medium reading device

A magnetic recording medium and reading device technology, applied in the direction of inductive recording carrier, cooperative operation device, instrument, etc., can solve the problems of unrealized countermeasures for theft, complex structure, etc., and achieve the effect of preventing illegal acquisition

Inactive Publication Date: 2016-06-08
HITACHI OMRON TERMINAL SOLUTIONS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in this card reader, a signal conversion mechanism for converting the signal read by the head of the front head into a different signal is required, and the structure becomes complicated.
In addition, there is no countermeasure against type 1 theft, and there is a risk that data will be obtained illegally by an illegal reading device installed outside the card insertion slot.

Method used

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  • Magnetic recording medium reading device
  • Magnetic recording medium reading device
  • Magnetic recording medium reading device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0046] First, refer to figure 1 and Figure 2a to Figure 2d The structure of the card reader of Embodiment 1 is demonstrated.

[0047] Such as figure 1 As shown, in the present embodiment, the card reader 1 has: a control unit 2, including a CPU that controls the overall operation of the device; a magnetic information reading unit 3, that reads the magnetic data recorded in the magnetic card; a card delivery unit 4, that transports the magnetic card; Detection sensor 5 detects magnetic card; Memory 6 stores the magnetic data read by magnetic information reading unit 3; Main interface 7 is a connection with host device (such as ATM); Magnetic strip detection unit 10 detects the magnetic data of magnetic card. a magnetic stripe; and a magnetic field generating unit 8 that generates a disturbing magnetic field for preventing reading of data recorded in the magnetic stripe.

[0048]The control unit 2 includes a magnetic field control unit 9 for controlling the magnetic field ge...

Embodiment approach 2

[0073] Next, Embodiment 2 of the present invention will be described. Among them, regarding the structure of the card reader in Embodiment 2, because it is related to figure 1 and Figure 2a to Figure 2d Same, description omitted. In addition, regarding the basic action of the card reader, it is also because of the Figure 4 and Figure 5 Same, description omitted.

[0074] Figure 7a to Figure 7c yes Figure 4 Timing diagram of the magnetic stripe detection performed in step S2 of the flowchart. In the above-mentioned first embodiment, the magnetic head 34 performs the reading operation only during the rest period X of the disturbance magnetic field, and in the second embodiment, the magnetic head 34 performs the reading operation during periods other than the rest period X.

[0075] Specifically, based on the control of the magnetic field control unit 9, such as Figure 7a The drive current shown flows through the loop antenna 35 . This drive current is the same as ...

Embodiment approach 3

[0080] Next, Embodiment 3 of the present invention will be described. Among them, regarding the structure of the card reader in Embodiment 3, because it is related to figure 1 and Figure 2a to Figure 2d Same, description omitted. In addition, regarding the basic operation of the card reader, it is also because of the Figure 4 and Figure 5 Same, description omitted.

[0081] Figure 8a and Figure 8b yes Figure 4 Timing diagram of the magnetic stripe detection performed in step S2 of the flowchart. In the first embodiment, the rest period X is provided in the disturbance magnetic field, but in the third embodiment, the frequency change period Y is provided in the disturbance magnetic field.

[0082] Specifically, based on the control of the magnetic field control unit 9, such as Figure 8a The drive current shown flows through the loop antenna 35 . This driving current is an AC signal having a predetermined vibration frequency, and there is a period Y during which...

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PUM

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Abstract

A loop antenna (35) that generates an interfering magnetic field is arranged near the insertion port (22) into which the magnetic card (21) is inserted, so that the interfering magnetic field acts on the magnetic head (34). When the loop antenna (35) generates an interfering magnetic field and the magnetic card (21) is inserted through the insertion port (22), the magnetic stripe detection unit (10) outputs the output that can only determine whether the magnetic stripe (21a) of the magnetic card (21) has any Heartbeat with no recorded data. Thereby, even if the illegal reading device is connected to the magnetic stripe detection unit (10) through the wire, the original data can be prevented from being illegally obtained.

Description

technical field [0001] The present invention relates to a device for reading data recorded on a magnetic recording medium, and more particularly to a magnetic recording medium reading device having a function of preventing illegal acquisition of data. Background technique [0002] A card reader for reading a magnetic card is mounted on a transaction processing device such as an ATM (Automated Teller Machine: cash automatic teller machine) or a CD (Cash Dispenser: cash automatic dispensing machine). In such a transaction processing device, a crime called theft has recently occurred. Theft is to illegally obtain data recorded on the magnetic stripe of the card when the magnetic card is inserted into the card reader. [0003] There are roughly two types of theft. A kind of is that the illegal reading device that has magnetic head is arranged as the card insertion port that covers the card reader that ATM or CD have, by the magnetic head of this illegal reading device, illegall...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K17/00G07D9/00G07F7/12
CPCG06K7/082G07F7/0873G07F19/2055G06K7/00G06K7/08G06K17/00
Inventor 木村智哉铃木唯道忠政明博铃木弘之
Owner HITACHI OMRON TERMINAL SOLUTIONS CORP
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