Warning system for detecting burned-out condition of automotive

Details Warning system for detecting burned-out condition of automotive Warning system for detecting burned-out condition of automotive

1989-12-15

1991-12-24

Ng, Jin F.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340642, B60Q 1100

Patent

active

050756699

ABSTRACT:
A warning system for burned-out condition of automotive lamps including brake lamps, high-mount lamps and tail lamps, includes a detection circuit for monitoring the lamps to produce a first signal indicative of the presence of a burned-out lamp, and for monitoring a brake-lamp switch and a light switch to produce a second signal when the brake-lamp switch is ON and a third signal when the light switch is ON. The warning system also includes a control unit which receives the first, second and third signals and determines the identity of the lamp group including at least one burned-out lamp, and an indicator which indicates the identity of the lamp group including at least one burned-out lamp on the basis of the determination by the control unit.

REFERENCES:
patent: 3593264 (1971-07-01), Atkins
patent: 3706983 (1972-12-01), Olson et al.
patent: 4667187 (1987-05-01), Volk et al.
patent: 4728861 (1988-03-01), Kurihara et al.
patent: 4745339 (1988-05-01), Izawa et al.
patent: 4903011 (1990-02-01), Reinholm et al.

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