Communications apparatus for use with cable television systems
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United States of America Patent
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-
Mar 11, 1986
Grant Date -
N/A
app pub date -
May 31, 1984
filing date -
May 31, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A cable television system communications apparatus comprising a transmission unit for originating various messages and message class identification signals and a receiver unit for receiving such signals and for rendering audible such messages as are authorized for that particular receiver unit.
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