Television – Format – Including additional information
Patent
1994-02-24
1996-09-17
Harvey, David E.
Television
Format
Including additional information
348486, H04N 708
Patent
active
055573339
ABSTRACT:
Signal processors for permitting the transparent, simultaneous transmission and reception of a secondary data signal with a video signal in the video band is disclosed. The signal processor in the transmitter rasterizes the data at the horizontal scanning rate and modulates the data with a data carrier at a non-integral multiple of the horizontal scanning rate to obtain frequency interleaving. The data is transmitted during the active video portion of each video line.
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Gerdes Richard C.
Jungo Charles
Montgomery Gerald
Harvey David E.
WavePhore, Inc.
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