Process for recording a pre-corrected television signal on a...

Details Process for recording a pre-corrected television signal on a... Process for recording a pre-corrected television signal on a...

H - Electricity

04

N

352/32.2

H04N 5/781 (2006.01) G11B 5/012 (2006.01) G11B 7/125 (2006.01) G11B 20/06 (2006.01) G11B 20/22 (2006.01) H04N 5/931 (2006.01)

Patent

CA 1126862

A PROCESS FOR RECORDING A PRE-CORRECTED TELEVISION SIGNAL ON A VIDEO-DISC Abstract of the Disclosure 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 separately modified according respectively three correction laws with respect to the distance Or the recording point from the centre of the video-disc, thus allowing the disc to be later readed without any correction during reading out.

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