Magnetic recording device

Details Magnetic recording device Magnetic recording device

1981-02-19

1984-04-10

Tarcza, Thomas H.

Recorders

Magnetographic

Radiation sensitive

G01D 1512

Patent

active

044424418

ABSTRACT:
A device for recording predetermined magnetization patterns on a magnetic recording medium such as for use in a copying machine. The magnetic medium is first magnetized with a uniform magnetization pattern then passed to a thermal printing head upon which a number of heat generating elements are arranged one-dimensionally on a supporting substrate. The heat generating elements are selectively activated to heat the recording magnetic medium to a temperature greater than the Curie temperature thereof so as to change the direction of the magnetization of the magnetic medium in cooperation with a biasing magnetic field.

REFERENCES:
patent: 1815010 (1931-07-01), Pollock et al.
patent: 3176278 (1965-03-01), Mayer
patent: 3343174 (1967-09-01), Kornei
patent: 3453647 (1969-07-01), Bernstein et al.
patent: 3582570 (1971-06-01), Cushner et al.
patent: 3611415 (1971-10-01), Nelson
patent: 3717459 (1973-02-01), McClure
patent: 3935578 (1976-01-01), Condon et al.
patent: 3984809 (1976-10-01), Dertouzos et al.
patent: 4314257 (1982-02-01), Tokunaga et al.

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