Communications: electrical – Selective – Having indication or alarm
Patent
1978-03-22
1980-02-05
Waring, Alvin H.
Communications: electrical
Selective
Having indication or alarm
340539, 325 64, 325117, 307 10AT, B60R 2510
Patent
active
041874978
ABSTRACT:
A portable vehicle alarm system having a motion sensitive switch and a transmitter for transmitting an alarm to a remote receiver. The receiver is capable of several functions including silent alarm to police or security guards as well as visual and audible alarms in remote locations such as light poles and roof tops of buildings. The alarm also includes a key set function with indicator lights for the motion switch and trip/transmit status.
REFERENCES:
patent: 3728675 (1973-04-01), Horn et al.
Harless Orville F.
Howell Steven G.
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