Thermomagnetic recording apparatus

Recorders – Magnetographic – Radiation sensitive

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Details

360 59, 358301, 346 745, 346 76AH, 355 3DR, G11B 1110

Patent

active

043142575

ABSTRACT:
A thermomagnetic recording apparatus, for example, facsimile receiver wherein the surface of a magnetic drum which is uniformly coated with a magnetic material is uniformly magnetized, the magnetized surface is locally heated to a temperature of at least a Curie point in accordance with facsimile signals by means of a thermal recording head, to reduce the coercise force and to invert the polarity of the magnetization, thereby forming a magnetic latent image, and the magnetic latent image is developed with magnetic toner.

REFERENCES:
patent: 3043685 (1962-07-01), Rosenthal
patent: 3512170 (1970-05-01), Nelson
patent: 3601091 (1971-08-01), Prekshot
patent: 3816799 (1974-06-01), Ott
patent: 3832718 (1974-08-01), Berkowitz
patent: 3845306 (1974-10-01), Kohlmannspeger
patent: 3984844 (1976-10-01), Tanno

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