04616214 is referenced by 25 patents and cites 6 patents.

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.

Title
Security system
Application Number
6/381658
Publication Number
4616214
Application Date
May 25, 1982
Publication Date
October 7, 1986
Inventor
Akihiko Naito
Tokyo
JP
Agent
Sughrue Mion Zinn Macpeak & Seas
Assignee
Pioneer Electronic
JP
IPC
G08B 1/08
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