On-screen channel display

Details On-screen channel display On-screen channel display

H - Electricity

04

N

375/15, 350/3, 3

H04N 5/50 (2006.01)

Patent

CA 1080349

Abstract An on-screen television display including means internally of the receiver for generating characters to indicate the channel number, time of day or other data. The system includes circuit means respon- sive to the horizontal and vertical sync signals of a television receiver for positioning and timing of the display. BCD data is coupled to a character generator, and the output of the character generator is then multiplexed with positioning and timing signals. The multiplexed output is coupled to a video interface which supplies the video signal to the cathode ray tube.

193843

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