Security system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 7, 1986
Grant Date -
N/A
app pub date -
May 25, 1982
filing date -
May 27, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A CATV system includes a security system incorporated therein through which a subscriber can automatically or manually transmit various warning or emergency signals to the CATV base station. Apparatus at the base operates to determine the type of warning signal received, and transmits a corresponding confirmation signal to the particular home unit. An indicator on the unit gives a visual indication of the receipt of the corresponding confirmation signal.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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