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:
Sep. 08, 2009
Filed:
Jun. 30, 2005
Applicants:
Shiro Iida, Kyoto, JP;
Kouhei Iwase, Takatsuki, JP;
Yoshinori Kakuno, Katano, JP;
Inventors:
Assignee:
Panasonic Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 5/48 (2006.01); H01J 5/50 (2006.01); H01J 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A lamp including an arc tube and a holder is provided. The arc tube includes a pair of electrodes respectively at both tube ends, and forms, between the pair of electrodes, a discharge path which turns in a double spiral substantially on one plane. The holder holds the arc tube in a state of fixing the tube ends of the arc tube and at least one part of the arc tube between the tube ends.