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:
Apr. 22, 2014
Filed:
Mar. 22, 2013
Applicant:
Panasonic Corporation, Osaka, JP;
Inventors:
Hiroki Ogawa, Osaka, JP;
Yoshiki Kitahara, Osaka, JP;
Kazunori Ohta, Osaka, JP;
Tamotsu Ishikawa, Shiga, JP;
Jun Sakaguchi, Osaka, JP;
Assignee:
Panasonic Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 1/88 (2006.01); H01J 19/42 (2006.01); H01J 11/00 (2012.01); H01J 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A high-pressure discharge lamp having an electrode including an electrode rod, a melted part and a coil part, and satisfying where La denotes an average value of a length in units of mm of an exposed portion of the coil part in an axial direction of the electrode rod, the exposed portion being not covered with the melted part, and L denotes a maximum value of a length in units of mm between a tip of a head of the electrode rod and an opposite edge of the coil part to the melted part, measured in the axial direction.