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:
May. 01, 2012
Filed:
Dec. 05, 2008
Applicants:
Kentaro Yamauchi, Ashiya, JP;
Tetsuo Terashima, Chino, JP;
Takeshi Takezawa, Matsumoto, JP;
Kazuo Okawa, Matsumoto, JP;
Shigeyasu Soma, Shiojiri, JP;
Inventors:
Kentaro Yamauchi, Ashiya, JP;
Tetsuo Terashima, Chino, JP;
Takeshi Takezawa, Matsumoto, JP;
Kazuo Okawa, Matsumoto, JP;
Shigeyasu Soma, Shiojiri, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/28 (2006.01); H05B 41/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A light source device is provided. The light source device has: a discharge lamp that emits light by discharge in an interelectrode space between a first electrode and a second electrode; a main mirror arranged at the first electrode side that reflects light flux generated by the discharge in the interelectrode space so as to emit the light flux to an area to be illuminated;