Magnetic recording/reproducing circuit system including a temper

Details Magnetic recording/reproducing circuit system including a temper Magnetic recording/reproducing circuit system including a temper

1991-03-07

1992-09-15

Sniezek, Andrew L.

Dynamic magnetic information storage or retrieval

Record editing

360 68, 358327, G11B 502

Patent

active

051483297

ABSTRACT:
A magnetic recording/reproducing circuit system which comprises an amplitude control circuit and wherein a video recording signal and voice recording signal are supplied to a magnetic head to be written as superimposed on surface and deep layers of a magnetic recording medium in a record mode and to be reproduced from the recording medium in a reproduction mode. In the record mode, the amplitude control circuit detects an ambient temperature and controls a current value indicative of the video recording signal to be optimum for the detected temperature. As a result, in the reproduction mode, a reproduction video signal can be substantially stabilized regardless of a variation in the ambient temperature.

REFERENCES:
patent: 4713700 (1987-12-01), Kuwahara et al.

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