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:
Dec. 30, 2003
Filed:
Feb. 14, 2002
Applicant:
Inventor:
Kenji Aida, Kariya, JP;
Assignee:
Denso Corporation, Kariya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 1/346 ; H01J 2/988 ;
U.S. Cl.
CPC ...
H01J 1/346 ; H01J 2/988 ;
Abstract
A discharge lamp unit with noise shields includes a discharge lamp, a discharge lamp control circuit, a filter circuit, the first and the second shield cases, and a power supply. The first shield case shields a discharge lamp control circuit and a filter circuit. The second shield case exclusively shields the filter circuit. Further, a ground wire of the filter circuit and the first shield case are electrically connected. Still further, a ground wire of the control circuit and the second shield case are electrically connected.