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Patent Searching and Data


Title:
AUTOMOTIVE HEADLAMP DEVICE
Document Type and Number:
Japanese Patent JPH03205703
Kind Code:
A
Abstract:

PURPOSE: To control the permeating light quantity of a hood and prevent a driver from becoming dizzy by providing a film-shaped liquid crystal shutter controlling the translucent property and nontranslucent property in response to the light distribution pattern of a headlamp on the inside of the translucent hood arranged in front of a headlamp lens.

CONSTITUTION: A film-shaped liquid crystal shutter 2 controlling the translucent property and nontranslucent property in response to the light distribution pattern of a headlamp 5 on the inside of a translucent hood 2 arranged in front of a headlamp lens 6. The light distribution of the headlamp 5 is electrically changed to obtain the light distribution pattern optimum for various operation states, no outside daylight is reflected on a headlamp reflecting mirror 7, the dizzy feeling given to drivers on opposing vehicles can be surely prevented, and safety can be improved.


Inventors:
YOSHIMOTO YUJI
MURATA ATSUHIKO
TOKI JUNJI
Application Number:
JP30937889A
Publication Date:
September 09, 1991
Filing Date:
November 30, 1989
Export Citation:
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Assignee:
KOITO MFG CO LTD
International Classes:
F21S8/10; F21V11/00; F21V14/00; (IPC1-7): F21M3/14; F21M3/18
Attorney, Agent or Firm:
Masaki Yamakawa (3 outside)