Communications: electrical – Land vehicle alarms or indicators
Patent
1997-10-07
1998-09-01
Hofsass, Jeffery A.
Communications: electrical
Land vehicle alarms or indicators
3404255, 340426, 340539, 34082531, 307 102, G08B 1710
Patent
active
058016155
ABSTRACT:
A motor vehicle security system including a receiver unit, an alarm unit, and a transmitter unit respectively mounted in a motor vehicle and connected to a car battery of the motor vehicle, the alarm unit and the transmitter unit are respectively connected to the receiver unit, the receiver unit being controlled by a remote controller to provide a check code to the alarm unit and the transmitter unit, the receiver unit been stopped from providing the check code when a door of the motor vehicle is opened by force, the alarm unit and the transmitter unit having a respective self-provided battery power supply and being triggered to produce an audio alarm signal and a radio alarm message respectively when they receive no check code from the receiver unit, the radio alarm message being receivable to car radios.
REFERENCES:
patent: 4794368 (1988-12-01), Grossheim et al.
patent: 4888575 (1989-12-01), De Vaulx
patent: 4897644 (1990-01-01), Hirano
patent: 4910493 (1990-03-01), Chambers et al.
patent: 5280267 (1994-01-01), Reggiani
patent: 5349329 (1994-09-01), Smith
patent: 5412371 (1995-05-01), Kaplan
patent: 5469151 (1995-11-01), Lavelle et al.
patent: 5563453 (1996-10-01), Nyfelt
patent: 5568120 (1996-10-01), LeMense et al.
patent: 5635916 (1997-06-01), Bucholtz et al.
patent: 5635923 (1997-06-01), Steele et al.
patent: 5648754 (1997-07-01), Hwang
patent: 5673017 (1997-09-01), Dery et al.
patent: 5684454 (1997-11-01), Nishioka et al.
patent: 5699685 (1997-12-01), Jahrsetz et al.
patent: 5708307 (1998-01-01), Iijima et al.
Hofsass Jeffery A.
Pham Toan N.
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