Motor vehicle alarm

Details Motor vehicle alarm Motor vehicle alarm

1991-07-08

1992-07-07

Ng, Jin F.

Communications: electrical

Land vehicle alarms or indicators

Of burglary or unauthorized use

340430, 307 102, 70237, 70226, B60R 2510

Patent

active

051286491

ABSTRACT:
A motor vehicle alarm may be locked on the steering wheel of a vehicle includes an arcuate shaped body, a locking mechanism, a control means, a detecting means, and an audible alarm. The detecting means has at least one detector to detects a presence of a person within the vehicle. The control means has a delay circuit to delay activation of the detecting means and of the audible alarm, a signal amplifier, a signal generator producing necessary coded signal, a comparator for recognition of a correct signal, for activation and deactivation of the detecting means, and for energizing the locking mechanism. The alarm may be secured on a steering wheel of a vehicle. The body has further an extending portion from one end beyond the periphery of the steering wheel to prevent a complete rotation of the steering wheel.

REFERENCES:
patent: 4682062 (1987-07-01), Weinberger
patent: 5014529 (1991-05-01), Wu
patent: 5022246 (1991-06-01), Wang

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