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:
Nov. 18, 2014
Filed:
Aug. 10, 2012
Applicants:
Junichi Suzuki, Chino, JP;
Satoshi Kito, Chino, JP;
Inventors:
Junichi Suzuki, Chino, JP;
Satoshi Kito, Chino, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/20 (2006.01); H05B 41/36 (2006.01); G03B 21/14 (2006.01);
U.S. Cl.
CPC ...
G03B 21/14 (2013.01); H05B 41/36 (2013.01); G03B 21/2053 (2013.01); G03B 21/2026 (2013.01);
Abstract
A light source device includes a discharge lamp that has a first electrode and a second electrode opposed to each other in a hollow portion in which a discharge medium is enclosed and a driving device that supplies a driving voltage to the first electrode and the second electrode. The driving voltage is applied to the discharge medium through the first electrode and the second electrode such that the discharge medium emits light.