Timing control for injecting a burst and data into a video signa

Details Timing control for injecting a burst and data into a video signa Timing control for injecting a burst and data into a video signa

1993-06-14

1995-04-25

Groody, James J.

Television

Format

Including additional information

348486, 348536, 348500, 348505, 348432, H04N 708, H04N 700, H04N 1100

Patent

active

054103606

ABSTRACT:
A secondary signal is processed and injected into a primary color video signal. The timing of the subsequent transmission of the secondary signal is controlled by timing signals. The timing signals also control the transmission of a carrier burst prior to the transmission of the secondary data signal. This carrier burst is used by a receiver to synchronize with the transmitter, reduce transmission errors and to indicate that a data transmission is to follow.

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