Video disc configuration

Details Video disc configuration Video disc configuration

1977-11-10

1979-11-27

Konick, Bernard

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

346 76L, 358129, 360135, G11B 726, G11B 2510, G01D 1510

Patent

active

041763777

ABSTRACT:
In accordance with the present invention, video information is recorded on a video disc at a high packing density using a disproportionately large record spot. According to a presently preferred embodiment, a recordable video disc has a surface sensitive to recording only along a narrow spiral track, which spiral track is followed during recording by a tracking device to compensate for tracking errors arising from disc eccentricity, wobble, and optical system vibration, while limiting the cross-track dimension of recorded video information to allow a higher cross-track packing density.

REFERENCES:
patent: 3258750 (1966-06-01), Shew
patent: 3430966 (1969-03-01), Gregg
patent: 3560994 (1971-02-01), Wolff et al.
patent: 3800099 (1974-03-01), Dickopp et al.
patent: 3832948 (1974-09-01), Barker
patent: 3902010 (1975-08-01), Goshima
patent: 3943302 (1976-03-01), Johnston, Jr.

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