Dynamic magnetic information storage or retrieval – General recording or reproducing – Recording-or erasing-prevention
Patent
1990-11-27
1993-12-21
Hajec, Donald
Dynamic magnetic information storage or retrieval
General recording or reproducing
Recording-or erasing-prevention
360 371, G11B 1504, H04N 578
Patent
active
052725766
ABSTRACT:
A recording or reproducing of an input video signal is prohibited in a recording mode operation when a recording inhibition signal is attached thereto and, when a mode other than the recording mode is set, the video signal of optimum level can be supplied to a television receiver even if the recording inhibition signal is attached to the video signal so that a sufficient monitoring becomes possible.
REFERENCES:
patent: 4631603 (1986-12-01), Ryan
patent: 4979210 (1990-12-01), Nagata et al.
Hajec Donald
Hitachi , Ltd.
Kim Won Tue C.
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