Recording medium on which information is recorded in intermitten

Details Recording medium on which information is recorded in intermitten Recording medium on which information is recorded in intermitten

1996-12-11

2000-06-13

Hajec, Donald

Registers

Coded record sensors

Particular sensor structure

235493, 360 2, G06K 708

Patent

active

060738456

ABSTRACT:
A magnetic card provided with a recording track in which a magnetic portion is disposed in an intermittent pattern corresponding to a digital signal is employed, and the magnetic portion of the recording track is magnetized immediately before information is read from the magnetic card. Then, a magnetism detecting device is made to relatively move with respect to the recording track to detect a magnetic flux arising from the magnetic portion, thereby reading the information represented by the digital signal.

REFERENCES:
patent: 4239151 (1980-12-01), Enser et al.
patent: 4239959 (1980-12-01), Gutterman
patent: 4303949 (1981-12-01), Peronnet
patent: 4786788 (1988-11-01), Gaucher
patent: 5073880 (1991-12-01), Maeda et al.
patent: 5196681 (1993-03-01), Mantegazza
patent: 5296995 (1994-03-01), Yonezawa
patent: 5466914 (1995-11-01), Kitahara
patent: 5625618 (1997-04-01), Oki
U.S. application No. 08/763,854, Takada, filed Aug. 17, 1993.

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