The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 08, 2003
Filed:
Mar. 23, 2001
Applicant:
Inventors:
Assignee:
Koito Manufacturing Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 7/00 ;
U.S. Cl.
CPC ...
F21V 7/00 ;
Abstract
A lane mark irradiation lamp forming a pair of light distribution patterns on left and right sides of the road surface ahead of a vehicle. The light distribution patterns are formed so as to extend along the lane marks provided on the road, and the luminous intensity distribution of the light distribution patterns in lateral direction in a first angle position that is in a downward direction at a predetermined angle with respect to a longitudinal axis of the lamp is set so as to have peaks on both sides of such a longitudinal axis.