Video disc player having improved squelch system

Details Video disc player having improved squelch system Video disc player having improved squelch system

1982-01-07

1984-11-20

Cardillo, Jr., Raymond F.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358336, 358342, 369 32, 369 33, 369 41, 369126, H04N 593, G11B 906, G11B 1902

Patent

active

044841744

ABSTRACT:
Dual squelch circuits, the first preceding and the second following the video processor of a video disc player, are selectively activated by a control unit which receives transducer position information from the processor for calculation of disc playing time and control of the signal recovery transducer. The first squelch circuit aids in stabilizing the timebase correction servo of the video processor during the player pause operating mode. The second squelch circuit maintains video blanking during certain player transition operating modes (e.g., pause-to-play, load, etc.) while the control unit processes the position information to provide transducer control and playing time indicator signals.

REFERENCES:
patent: 3864733 (1975-02-01), Boltz, Jr.
patent: 4017677 (1977-04-01), Baker
patent: 4017678 (1977-04-01), Baker
patent: 4119812 (1978-10-01), Fox
patent: 4286290 (1981-08-01), Pyles et al.
patent: 4307418 (1981-12-01), Mindel et al.
patent: 4387407 (1983-06-01), Wine
patent: 4393489 (1983-07-01), Mehvotra

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