Apparatus and process for recording with variable correction of

Details Apparatus and process for recording with variable correction of Apparatus and process for recording with variable correction of

1978-02-10

1979-10-02

Konick, Bernard

Facsimile and static presentation processing

Static presentation processing

Attribute control

1791004C, H04N 576, G11B 700

Patent

active

041700228

ABSTRACT:
A process for recording on a video-disc a television signal comprising a luminance signal, a chrominance signal, and a sound signal, wherein these three signals modulate respectively three carrier-waves. The three modulated carrier-waves are added and then optically recorded onto said video-disc along a spiral track. The level of these three modulated carrier-waves are each processed according to their own correction parameters related to the distance of the recording point from the center of the video-disc, thus allowing the disc to be later read without any correction processing during reading out.

REFERENCES:
patent: 3944754 (1976-03-01), Ishigaki
patent: 4008381 (1977-02-01), Takahashi et al.

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