Telecommunications – Transmitter and receiver at separate stations – Having diverse art device
Patent
1989-08-30
1991-09-24
Eisenzopf, Reinhard J.
Telecommunications
Transmitter and receiver at separate stations
Having diverse art device
455 99, 340991, 379 45, H04B 700
Patent
active
050520482
ABSTRACT:
The invention relates to a crime deterrent system in which passive pursuit of a randomly moving subject involved in a crime is monitored by a central control station having input as to the exact location and direction of movement of the subject from at least one of a plurality of persons in the area provided with a radio transmitter tunable only to the central control station. Such a radio transmitter is used in conjunction with a radio receiver tunable to any one of the AM or FM audio frequencies available in the area for receiving an alerting signal related to the crime and to a selected FM audio frequency for receiving descriptive information as to the subject.
REFERENCES:
patent: 3881060 (1975-04-01), Connell et al.
patent: 4764978 (1988-08-01), Argo et al.
Eisenzopf Reinhard J.
Seebach Lloyd F.
Urban Edward
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