Registers – Records – Magnetic
Patent
1990-06-14
1991-07-16
Levy, Stuart S.
Registers
Records
Magnetic
235487, 283 82, 283 94, 283902, G06K 1906, B42D 1510
Patent
active
050327097
ABSTRACT:
A magnetic card manufactured according to the present invention is composed of a base film; a first magnetic material coating layer applied on the base film for reading and writing variable information held in the magnetic card; and a second magnetic material coating layer applied on the first magnetic material coating layer, of which surface having a pattern formed by an angle, an interval and a thickness for giving the characteristics of the magnetic card.
REFERENCES:
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patent: 3599153 (1971-08-01), Lewis
patent: 4114032 (1978-09-01), Broscow et al.
patent: 4197989 (1980-04-01), Pearce
patent: 4218674 (1980-08-01), Broscow et al.
patent: 4303949 (1981-12-01), Peronnet
patent: 4837426 (1989-06-01), Pease et al.
patent: 4977040 (1990-12-01), Yano et al.
Jang Chun H.
Lee Jig Y.
Park Shin U.
Yeo Un S.
duBois Steven M.
Electronics and Telecommunications Research Institute
Goldstar Co. Ltd.
Levy Stuart S.
Yushin Electionic Co. Ltd.
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