Apparatus for discriminating television signal
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United States of America Patent
Stats
-
Aug 11, 1981
Grant Date -
N/A
app pub date -
Nov 8, 1979
filing date -
Nov 18, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A television signal discriminating apparatus adapted for use with the pay television system, which apparatus, for being compatible with the normal television system, monitors the television signal of received electric wave to detect whether it is from the pay television broadcasting station or the normal one and provides the correct video signal in accordance with the mode of modulation thereof.
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Family
International Classification(s)
Cited Art Landscape
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