Device for writing on a card-shaped data memory having sensors f

Details Device for writing on a card-shaped data memory having sensors f Device for writing on a card-shaped data memory having sensors f

1994-12-23

1996-08-13

Kim, W. Chris

Dynamic magnetic information storage or retrieval

Recording on or reproducing from an element of diverse utility

Card

235449, 235440, G11B 2504, G06K 708, G06K 700

Patent

active

055462421

ABSTRACT:
A device for writing on a card-shaped data memory with at least one magnetic strip on the card-shaped data memory has a card slot through which the card-shaped data memory is guided. The card slot has an inlet and an outlet. One pair of write heads and at least one sensor are provided for each of the magnetic strips on the card-shaped data memory. The write heads are arranged on opposite sides of the Card slot for writing on the magnetic strip. The at least one sensor is positioned at the inlet of the card slot for detecting the presence or absence of the magnetic strip coordinated therewith. The at least one sensor, when detecting the presence of the magnetic strip coordinated therewith, switches to an inactive state one of the write heads of the pair that is positioned on a side of the card slot remote from the magnetic strip.

REFERENCES:
patent: 3869718 (1975-03-01), Schmidt
patent: 4002887 (1977-07-01), Ouimette

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