Remote control switching of television sources
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 25, 1986
Grant Date -
N/A
app pub date -
May 19, 1983
filing date -
May 19, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a satellite communications network wherein primary video signals containing address and command data pulses in the vertical blanking intervals are transmitted to a plurality of local television subscriber systems, each local system is provided with decoder/controller/switcher apparatus to extract the data from the signals and effect control of the programming provided to the local subscribers in response to the data.
First Claim
Family
International Classification(s)
Cited Art Landscape
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