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. 12, 2007
Filed:
Sep. 12, 2003
Kazuo Takeda, Sakai, JP;
Isao Ota, Takatsuki, JP;
Kazushige Sakamoto, Otsu, JP;
Yoshiharu Nishiura, Otsu, JP;
Kazuo Takeda, Sakai, JP;
Isao Ota, Takatsuki, JP;
Kazushige Sakamoto, Otsu, JP;
Yoshiharu Nishiura, Otsu, JP;
Matsushita Electric Industrial Co., Ltd., Osaka-Fu, JP;
Abstract
A metal halide lamp includes a ceramic arc tube that is composed of a main body and two narrow tube parts provided at respective ends of the main body; a pair of electrodes provided inside the main body; two feeders, each being connected at one end thereof to a different one of the electrodes inside the main body, and extending through a different one of the narrow tube parts, so as to be external to the arc tube at another end; a starting wire that is connected to one of the feeders, and that is in a vicinity of or contacts an outer surface of the arc tube; and a current suppressing unit that is on a current path of the starting wire, and suppresses or cuts off current on the path.