Video disc player

Details Video disc player Video disc player

1980-10-10

1982-07-20

Konick, Bernard

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

369124, 3581285, 360 77, 360 65, 250202, G11B 2110, H04N 576

Patent

active

043409504

ABSTRACT:
A video disc player featuring a signal correcting device capable of compensating for the attenuation of the signal level of high frequency components of the reproducing signal read out from an optically electromagnetically or electrostatically scanned video disc, a device for detecting the presence or absence of recorded information on a video disc being played back, or a tracking servo system which can be locked in reliably and in a stable condition when the servo loop is to be closed from an open condition.

REFERENCES:
patent: 3906152 (1975-09-01), Hoogendijk
patent: 4138663 (1979-02-01), Lehureau
patent: 4165495 (1979-08-01), Takahashi
patent: 4234837 (1980-11-01), Winslow

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