Coded anti-theft system

Details Coded anti-theft system Coded anti-theft system

1992-02-10

1993-06-08

Ng, Jin F.

Communications: electrical

Land vehicle alarms or indicators

Of burglary or unauthorized use

340543, 340528, 307 104, 307 106, 361172, B60R 2510

Patent

active

052183386

ABSTRACT:
A coded anti-theft system of the present invention employs a keyswitch board, a number of relays and timers, and a number of peripherals including a first sensing device, a second sensing device, a starting device, an indicating device, and an alarming device. Aggressive activity is sensed by the sensing devices to sound the alarming device. The system is set with a code by a user, and only the user who enters the correct code can enable the starting device to start the vehicle.

REFERENCES:
patent: 2855588 (1958-10-01), Allen
patent: 3544804 (1968-12-01), Gaumer et al.
patent: 3637037 (1972-01-01), Doland et al.
patent: 3649962 (1972-03-01), Bedard et al.
patent: 3755777 (1973-08-01), Lee
patent: 4232758 (1980-11-01), Crosas
patent: 4291296 (1981-09-01), Seifers
patent: 5043720 (1991-08-01), Laurienzo
patent: 5061915 (1991-10-01), Murphy

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