Title:
AUTOMATIC CORRECTOR OF HEADLIGHT ELEVATION ANGLE DURING CHANGE OF ATTITUDE OF VEHICLE
Document Type and Number:
Japanese Patent JPH0632169
Kind Code:
A
Abstract:
PURPOSE: To correct the elevation angle of a headlight without receiving the influence of external requirements such as the property of a road surface, a weather condition and the transparency of glass.
CONSTITUTION: The angle of inclination α of a headlight is automatically corrected by at least two light sensors CP1 and CP2 integrated in the headlight for detecting the brightness of the road in two different directions at two predetermined angles f relative to a reference direction of the headlight and gain servo-controllers A1, C1 and CMP controlled by signals therefrom.
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Inventors:
POORU MAROWA
Application Number:
JP11431993A
Publication Date:
February 08, 1994
Filing Date:
May 17, 1993
Export Citation:
Assignee:
VALEO VISION
International Classes:
B60Q1/06; B60Q1/00; B60Q1/08; B60Q1/10; B60Q1/14; F21S8/10; F21V14/00; (IPC1-7): B60Q1/06; B60Q1/08; F21M3/18
Attorney, Agent or Firm:
Soichi Takezawa
Next Patent: CORNERING LAMP LIGHTING CIRCUIT