H - Electricity – 04 – N
Patent
H - Electricity
04
N
352/33, 350/37
H04N 5/91 (2006.01) G11B 27/10 (2006.01) G11B 27/30 (2006.01) G11B 27/36 (2006.01) H04N 9/82 (2006.01) H04N 9/87 (2006.01)
Patent
CA 1149947
RCA 74, 436 IMPROVED DIGITAL ON VIDEO RECORDING AND PLAYBACK SYSTEM ABSTRACT In a system for recording digital information on a video disc and for playback of the digital information therefrom, the digital data is recorded in synchronism with the color subcarrier signal on a horizontal line adjacent to a constant luminance line. This arrangement facilitates a video disc player having a simple, efficient, video-to-digital interface for separating the prerecorded digital information from the video signal. The player apparatus is responsive to the color subcarrier signal and the chrominance-related output signal of a comb filter, both of which are normally available during video signal processing. Prerecorded digital information representing field number and type of program content is used by a microprocessor controller to provide player features such as locked groove detection, program elapsed time display, and end of program indication. The microprocessor-to-player interface includes means responsive to the panel controls to operate the player mechanism and panel displays in accordance with the desired player features.
362176
Christopher Todd J.
Dieterich Charles B.
Morneau Roland L.
Rca Corporation
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