Video signal drop-out corrector circuit responsive to level of l

Details Video signal drop-out corrector circuit responsive to level of l Video signal drop-out corrector circuit responsive to level of l

1988-03-16

1990-01-09

Richardson, Robert L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

H04N 594

Patent

active

048931926

ABSTRACT:
A drop-out corrector circuit for video signals read from a recording medium such as a video disk or the like. Predetermined components, specifically envelope components, are detected in the high-frequency signal read from the disk including the video signal. The output level of the detection signal thus produced is compared with a reference level, and a drop-out detection signal is produced as the result of this comparison.

REFERENCES:
patent: 3366732 (1968-01-01), Holmberg
patent: 4006295 (1977-02-01), Oprandi et al.
patent: 4199780 (1980-04-01), Taylor
patent: 4591898 (1986-05-01), De Boer et al.
patent: 4623994 (1986-11-01), Nabeshima et al.

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