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:
Jun. 24, 2003
Filed:
Aug. 30, 2000
Applicant:
Inventors:
Masayasu Ito, Shizuoka, JP;
Hiroshi 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 discharge lamp device for a vehicle includes a lighting circuit for performing lighting controls of a discharge lamp for high beam and a discharge lamp for low beam, both lamps having the same rating. The lighting circuit controls the power supply such that the electrical power input when the discharge lamp for high beam is lighted is greater than the electrical power input when the discharge lamp for low beam is lighted.