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:
Feb. 26, 2002
Filed:
Sep. 05, 2000
Applicant:
Inventors:
Masayasu Ito, Shizuoka, JP;
Hitoshi Takeda, Shizuoka, JP;
Shuji Matsuura, Shizuoka, JP;
Akihiro Mochizuki, Shizuoka, JP;
Hiroki Ishibashi, Shizuoka, JP;
Akihiro Matsumoto, Shizuoka, JP;
Assignee:
Koito Manufacturing Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60Q 1/02 ;
U.S. Cl.
CPC ...
B60Q 1/02 ;
Abstract
A steady-state condition in which respective discharge lamps for main beam and for dipped beam are both turned on, a sum (P +P ) of a value of power supplied to each discharge lamp is controlled to be smaller than a sum (P R+P R) of a rated power value for each discharge lamp.