Automobile intruder alarm system

Communications: electrical – Land vehicle alarms or indicators – Of burglary or unauthorized use

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Details

340430, 307 102, B60R 2500

Patent

active

048664170

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 vehicle 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: 4359717 (1982-11-01), Huber et al.
patent: 4414541 (1983-11-01), Ho
patent: 4651128 (1987-03-01), Kolb
Consumer Reports, "Auto Alarm Systems", Oct. 1986, pp. 658-662.

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