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:
Jan. 19, 2010
Filed:
Aug. 21, 2006
Yasunori Ogawa, Suwa, JP;
Shinsuke Ito, Shiojiri, JP;
Yasunori Ogawa, Suwa, JP;
Shinsuke Ito, Shiojiri, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A light source device () has a lamp body (A) including a light source lamp, a reflector () and an anti-explosion glass (), and a lamp housing (B) for accommodating the lamp body (A). A plurality of projections (B) protruding along an optical axis of a light beam irradiated by the light source lamp are formed on the lamp housing (B). Further, the reflector () has an approximately concave cross section and a positioning surface (C) that touches the projections (B) of the lamp housing (B) to locate the lamp body (A) relative to the lamp housing (B) is provided on a distal side of the concave section. The positioning surface (C) is continuously flush.