Motion video signal processing for recording or reproducing – Local trick play processing – With randomly accessible medium
Patent
1994-06-13
1997-03-04
Chin, Tommy P.
Motion video signal processing for recording or reproducing
Local trick play processing
With randomly accessible medium
360 32, H04N 576, G11B 500
Patent
active
056085354
ABSTRACT:
A video signal reproduction or record/reproduction apparatus comprises a first playback circuit reproducing a normal video signal from a recording medium and outputting a reproduced normal video signal to a TV receiver, and a second playback circuit reproducing a high definition video signal from the recording medium and outputting a reproduced high definition video signal to the TV receiver. The type of a reproduced video signal is judged. When the judgement result indicates that the type of the reproduced video signal is a normal video signal, the first playback circuit is allowed to output the reproduced normal video signal to the TV receiver while the second playback circuit is enforced to mute the reproduced high definition video signal. In a disabled or transition period during which the type of the reproduced video signal cannot be judged, the first and second playback circuits select an output video signal on the basis of a judgement result judged immediately before such a disabled or transition period.
REFERENCES:
patent: 4630131 (1986-12-01), Ichinoi et al.
patent: 4962428 (1990-10-01), Tong et al.
patent: 4963991 (1990-10-01), Honjo
patent: 5237420 (1993-08-01), Hayashi
Asai Hiroshi
Yoshida Mitsuhiro
Chevalier Robert
Chin Tommy P.
Victor Company of Japan Ltd.
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