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. 15, 2008
Filed:
Jun. 02, 2005
Kazuyuki Iinuma, Hotaka-town, JP;
Kazuyuki Iinuma, Hotaka-town, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A projector includes a light source; an optical modulator; a projection lens, which has a lens barrel containing plural lenses, for projecting the optical image; as well as a structure showing a substantially L-shaped lateral contour and including an inner horizontal section, to which the optical modulator is attached, and an outer vertical section, to which the projection lens is attached; and a lens shifting mechanism for shifting the projection lens along the outer vertical section. The lens barrel has a flange projecting to the outside of the lens barrel at the base end side of the projection direction so that the lens barrel is fitted to the outer vertical section. The outer vertical section has a lens contacting surface projected and curved in accordance with curvature amount of the image forming surface on the base end side of the projection lens so as to contact the flange.