Assistance summoning system

Details Assistance summoning system Assistance summoning system

1980-08-29

1986-08-12

Chin, Tommy P.

Telecommunications

Transmitter and receiver at same station

With a common signal processing stage

455 26, 455 54, 455 68, 455 88, 455 92, 455 95, 455100, 455345, 340539, H03B 100

Patent

active

046060731

ABSTRACT:
A compact and simple to operate transceiving device used by law enforcement officers, security agents, military personnel and the like to prerecord an emergency message prior to leaving his vehicle. In an emergency situation, the apparatus will automatically affect transmission of the above message to a central station if the user did not return to his vehicle in a preset amount of time.

REFERENCES:
patent: 3290597 (1966-12-01), Denny
patent: 3699443 (1972-10-01), Weger
patent: 3723876 (1973-05-01), Seaborn, Jr.
patent: 4083003 (1978-04-01), Haemmig
patent: 4152647 (1979-05-01), Gladden
patent: 4162449 (1979-07-01), Bouyssounouse
patent: 4197497 (1980-04-01), Phelps
patent: 4218763 (1980-08-01), Kelley
Rescu Emergency Location Alerting System.
The Guardsman--Control and Repeater System, Allied Technology Inc., between 1970-1971.
Rescu Emergency Location Alerting System, the Antenna Specialists Co., (published Aug. 1979), revised Jan. 1980.

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