Track error correction system for video disc player

G - Physics – 11 – B

Patent

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G11B 17/22 (2006.01) G11B 21/08 (2006.01) G11B 21/10 (2006.01) G11B 27/10 (2006.01) G11B 27/30 (2006.01) G11B 27/34 (2006.01) H04N 5/76 (2006.01)

Patent

CA 1156364

-30- RCA 73,317 TRACK ERROR CORRECTION SYSTEM AS FOR VIDEO DISC PLAYER Abstract In a system for correcting tracking errors in a video disc player, digital information, corresponding to field numbers is encoded on the video signal during one horizontal line of the respective vertical blanking interval. Tracking errors, such as a locked track condition or a skipped track condition are detected by noting improper sequence of two or more decoded field numbers. A kicker apparatus is provided to move the signal pickup device in a direction so as to reduce the tracking error.

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