Optics: measuring and testing – Lamp beam direction or pattern
Patent
1990-09-24
1991-10-15
Rosenberger, Richard A.
Optics: measuring and testing
Lamp beam direction or pattern
356122, 33288, G01J 100
Patent
active
050569163
ABSTRACT:
An optical axis adjusting system comprises at least one lighting unit such as a vehicle's head lamp unit, and at least one optical instrument. The lighting unit comprises a housing having a reflector, and a lens having first and second portions which are positioned so that the first and second portions intersect, respectively, imaginery first and second straight lines that are parallel to the optical axis of the lighting unit and symmetrical with respect to the optical axis. The optical instrument has a light projecting unit for projecting a light beam such as a laser beam to the reflector through the first portion of the lens, and a light receiving unit for receiving a reflected beam reflected from the reflector and transmitted through the second portion of the lens. The lighting unit has at least one adjusting screw by which the aim of the lighting unit is adjusted so that reflected beam is correctly received by the receiving unit.
REFERENCES:
patent: 1991928 (1935-02-01), Hill
patent: 3542475 (1970-11-01), Cooper
patent: 4009966 (1977-03-01), Craig
patent: 4628414 (1986-12-01), Ricard
Iwamoto Miyoshi
Kikuchi Yoichi
Nissan Motor Co,. Ltd.
Pham Hoa
Rosenberger Richard A.
LandOfFree
Optical axis adjusting system for lighting unit of vehicle does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Optical axis adjusting system for lighting unit of vehicle, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical axis adjusting system for lighting unit of vehicle will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-986586