Device for the thermomagnetic recording of information

Details Device for the thermomagnetic recording of information Device for the thermomagnetic recording of information

1974-05-20

1976-07-13

Konick, Bernard

Dynamic magnetic information storage or retrieval

General recording or reproducing

Thermomagnetic recording or transducers

360 84, G11B 502, H04N 128

Patent

active

039697657

ABSTRACT:
A device for the thermomagnetic recording of information on a highly coercive magnetizable recording medium. For this purpose is used, for example, a video recorder of the "helical scan" or "transversal scan" type whose drum has a co-rotating mirror and system of lenses with which an energy beam is directed and focussed on the recording medium at a small distance in front of the recording gap of the magnetic head. As a result of this the coercive force of the recording medium is locally reduced while using a very short heating time so that the medium can be recorded there by the head.

REFERENCES:
patent: 3404241 (1968-10-01), Streets
patent: 3611420 (1971-10-01), Benoit
patent: 3626114 (1971-12-01), Lewicki
patent: 3715740 (1973-02-01), Schmit
patent: 3840895 (1974-10-01), Kubo

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