Video disk recorder and playback unit

Details Video disk recorder and playback unit Video disk recorder and playback unit

1986-02-12

1988-08-30

Perkey, W. B.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358343, H04N 5781

Patent

active

047681047

ABSTRACT:
An optical video disk, an optical disk recorder, and a playback unit for an optical video disk in which a digital data signal is divided into blocks, each being formed of a fixed number of bits, and the length thereof after interleaving is made longer than one field of a television video signal but shorter than one frame thereof. As a result, at least one block is made to correspond to one frame or field of the video signal, and the end portion of the block after interleaving is recorded at a position close to a point corresponding to the vertical synchronizing signal of the video signal and at the same time recorded on a corresponding frame or field basis. Accordingly, digital data in the form of blocks may be made to correspond to specific frames or fields, whereby desired picture images or digital data can readily be retrieved and played back.

REFERENCES:
patent: 4286290 (1981-08-01), Pyles et al.
patent: 4680647 (1987-07-01), Moriyama
patent: 4689697 (1987-08-01), Wilkinson

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