Automatic police emergency locator system

Details Automatic police emergency locator system Automatic police emergency locator system

1977-09-23

1980-04-08

Safourak, Benedict V.

Telecommunications

Carrier wave repeater or relay system

With delay or recording

1791001A, 360 5, 455 66, 455 68, 455 88, G11B 500

Patent

active

041974972

ABSTRACT:
All messages broadcast through a two-way radio by a police officer from his vehicle, are recorded on an endless tape loop of a playback recorder. An alerting signal generated by a pretuned oscillator is simultaneously recorded on the tape with each message. Playback operation of the recorder is initiated by a remote radio trigger device so as to replay and transmit the recorded message and altering signal through the vehicle radio for a timed duration.

REFERENCES:
patent: 3419687 (1968-12-01), Stewart
patent: 3699443 (1972-10-01), Weger
patent: 3723876 (1973-03-01), Seaborn, Jr.
patent: 4083003 (1978-04-01), Haemmig
patent: 4107611 (1978-08-01), Holcomb et al.

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