Apparatus and method for reducing headlight glare

Details Apparatus and method for reducing headlight glare Apparatus and method for reducing headlight glare

1979-09-04

1981-08-25

Lechert, Jr., Stephen J.

Illumination

With polarizer

362 80, 362248, 362276, 362359, F21V 914

Patent

active

042863082

ABSTRACT:
An improved glare control system for use on a vehicle for reducing headlight glare from oncoming vehicles, the system being of the type wherein the headlights are rapidly switched between light emissive and non-emissive states and the operator views the roadway through a visor operating in synchronism with the headlights and being switchable between light transmissive and opaque states, and wherein the improvement includes means for measuring the glare intensity of the oncoming path and providing a proportional glare level signal and means responsive to the signal for varying the transmissive-to-opaque interval ratio of the visor cycle so that at least between upper and lower glare intensity limits the apparent density of the visor increases with increasing glare intensity and decreases with decreasing glare intensity.

REFERENCES:
patent: 3840731 (1974-10-01), Saufferer

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