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. 25, 2007
Filed:
Aug. 19, 2005
Applicant:
Masashi Kitabayashi, Horigane-mura, JP;
Inventor:
Masashi Kitabayashi, Horigane-mura, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical device body (A) includes an electro-optic device (B), a projection lens (), and a supporting structure (). The supporting structure () includes a supporting structure body () attached on a base end of the projection lens (), an upper mount () and a lower mount () respectively fixed on an upper surface and a lower surface of a cross dichroic prism (), and spacers () interposed between: the supporting structure (); and the upper mount () and the lower mount (). The spacers () are respectively disposed near four corners of a planar rectangular light irradiation surface of the cross dichroic prism ().