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:
Mar. 25, 2008
Filed:
Sep. 01, 2005
Hidetomo Tanaka, Utsunomiya, JP;
Hidetomo Tanaka, Utsunomiya, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
At least one exemplary embodiment is directed to a projection display apparatus configured to project an image on a projection plane, the image being formed using light from a light source by an image-forming element, is provided. The projection display apparatus includes a prism, a first securing member operatively connected to the prism and includes a bonding surface substantially parallel to an optical axis of a light beam entering the image-forming element, a second securing member holding the image-forming element and includes a bonding surface substantially perpendicular to the optical axis of the light beam entering the image-forming element.