Information displaying system
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United States of America Patent
Stats
-
May 13, 1980
Grant Date -
N/A
app pub date -
Jan 11, 1977
filing date -
Jan 11, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Program schedules together with other periodically updated information is displayed to subscribers through a cable television system. The information is derived from optical image recordings and electronically generated from digital circuitry for display in synchronized relation to audio and color signals. The optically derived and digitally generated video signals together with color control signals are combined in a video mixer to modulate the output of a cable television transmitter operating on any desired channel.
First Claim
Family
International Classification(s)
Cited Art Landscape
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