Alarm system for a motor vehicle

Details Alarm system for a motor vehicle Alarm system for a motor vehicle

2006-05-16

2006-05-16

Nguyen, Phung T. (Department: 2632)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S455000, C320S104000

Reexamination Certificate

active

07046156

ABSTRACT:
Alarm system for motor vehicle, incorporating an alarm control unit which is powered by a main battery of the motor vehicle, a siren unit likewise powered by the main battery, and a back-up battery in the siren unit which is arranged to power the siren unit upon failure of the power supply from the main battery. To simplify and make such an alarm safer, it is proposed inter alia that upon said failure of power supply from the main battery the back-up battery be arranged to automatically power also the alarm control unit.

REFERENCES:
patent: 4761631 (1988-08-01), Hwang
patent: 4929931 (1990-05-01), McCuen
patent: 5039927 (1991-08-01), Centafanti
patent: 5549984 (1996-08-01), Dougherty
patent: 5563576 (1996-10-01), Drori et al.
patent: 6404081 (2002-06-01), Staffiere
patent: 0780820 (1997-06-01), None
patent: 2170633 (1986-08-01), None
patent: 9516248 (1995-06-01), None

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