Timing generator for sync suppressed television signals

Details Timing generator for sync suppressed television signals Timing generator for sync suppressed television signals

H - Electricity

04

N

350/21

H04N 7/16 (2006.01) H04N 7/171 (2006.01)

Patent

CA 1218143

TIMING GENERATOR FOR SYNC SUPPRESSED TELEVISION SIGNALS Abstract of the Disclosure A timing signal generator for recovering timing signals in scrambled video signals in which the synchronizing signals are suppressed includes a tuned detector responsive to the color burst signal contained in the back porch of the suppressed horizontal planking pulse. The vertical interval is detected as the absence of color burst for a specified time interval, and horizontal sync information is obtained by the detection of the first color burst after an absence of color burst.

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