Automatic recording current controller of magnetic recorder

Details Automatic recording current controller of magnetic recorder Automatic recording current controller of magnetic recorder

1995-05-24

1997-06-03

Psitos, Aristotelis

Dynamic magnetic information storage or retrieval

General recording or reproducing

Specifics of the amplifier

386 96, G11B 502, H04N 591

Patent

active

056360762

ABSTRACT:
After an audio signal at a given level is recorded, the recording level is changed and a video signal is recorded. The audio and video signals are reproduced. A first recording level at which the reproduced video signal becomes the maximum level, a second recording level which is smaller than the first recording level and at which the reproduced video signal level becomes the maximum value.times.0.9, a third recording level at which the reproduced audio signal level is equal to or greater than a reference value, and a fourth recording level at which the reproduced audio signal level becomes equal to or greater than the minimum value are stored in storages, respectively. The video head recording current value is controlled according to the optimum recording level found by an arithmetic section based on the stored recording levels.

REFERENCES:
patent: 5196967 (1993-03-01), Mederer et al.

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