Automobile intruder alarm system

Details Automobile intruder alarm system Automobile intruder alarm system

1989-06-01

1992-01-07

Ng, Jin F.

Communications: electrical

Land vehicle alarms or indicators

Of burglary or unauthorized use

340429, 307 102, B60R 2510

Patent

active

050795384

ABSTRACT:
An improved vehicle intruder alarm system includes a method of automatically arming an alarm system. When arming the alarm system by remote control the vehicle windows can be raised and the vehicle headlights automatically turned on by remote control. When entering a vechicle door while the system is armed, a low warning tone is produced for an entry delay time. The warning tone increases with time. The processor for the alarm senses the magnitude and rate of impacts or motions of the vehicle. Short warnings are produced when the magnitude and rate are above a threshold.

REFERENCES:
patent: 3812484 (1974-05-01), Miller et al.
patent: 3947815 (1976-03-01), Muncheryan
patent: 4205300 (1980-05-01), Ho et al.
patent: 4383242 (1983-05-01), Sassover et al.
patent: 4414541 (1983-11-01), Ho
Consumer Reports, "Auto Alarm Systems", Oct. 1986, pp. 658-662.

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