Magnetic recording medium reading device
A technology of magnetic recording medium and reading device, which is applied in the direction of inductive recording carrier, conveying recording carrier, and cooperating device, etc., to achieve the effect of not degrading reading performance
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no. 1 Embodiment approach
[0058] First, refer to figure 1 and figure 2 , the structure of the card reader of the first embodiment will be described. in addition, figure 2 In the figure, F represents the front direction, B represents the rear direction, L represents the left direction, R represents the right direction, U represents the upward direction, and D represents the downward direction (the same applies to the subsequent figures).
[0059] like figure 1 As shown, the card reader 1 of this embodiment has a control unit 2 composed of a CPU that controls the overall operation of the device, a magnetic information reading unit 3 that reads magnetic data recorded in a magnetic card, and a card transport unit that transports a magnetic card. 4. The card detection sensor 5 that detects the magnetic card, the memory 6 that stores the magnetic data read by the magnetic information reading unit 3, the host interface 7 as the connection portion with the host device (such as ATM), the magnetic strip t...
no. 2 Embodiment approach
[0077] Next, a second embodiment of the present invention will be described.
[0078] Figure 7 The card reader 1 of 2nd Embodiment is shown. In the above-mentioned first embodiment ( figure 2 ), the magnetic body 40 is provided on the lower side of the magnetic head 29 . On the other hand, in the second embodiment, the magnetic body 40 is provided on the side of the magnetic head 29 . exist Figure 7 In (a), the magnetic body 40 is provided on the front side of the magnetic head 29, and Figure 7 In (b), the magnetic body 40 is provided on the side opposite to the magnetic head 29 .
[0079] The distribution of the disturbance magnetic field in the second embodiment is as follows Figure 8 shown. Figure 8 It is a figure which looked at the magnetic head 29 from above. exist Figure 8 In (a), the magnetic body 40 is provided on the side of the magnetic head 29 in the L direction, and the disturbance magnetic field M passes through the magnetic body 40 and is biased ...
no. 3 Embodiment approach
[0095] Next, a third embodiment of the present invention will be described. About the whole structure of the card reader of 3rd Embodiment, except the arrangement|positioning of the magnetic body 40, it is the same as figure 2 The same, so the description is omitted.
[0096] Figure 15 The arrangement of the magnetic body 40 and the distribution of the disturbance magnetic field in the third embodiment are shown, and the magnetic head 29 is viewed from above. exist Figure 15 Among them, the magnetic body 40 is provided in front of the magnetic head 29 (F direction).
[0097] In detail, in Figure 15 In (a), the magnetic body 40 is arrange|positioned at the oblique front position of the F direction side and the L direction side as seen from the magnetic head 29. Furthermore, the magnetic body 40 is provided inclined to the L direction side with respect to the FB direction. As a result, the disturbance magnetic field M is guided by the magnetic body 40 to be deflected i...
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