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:
Aug. 28, 2012
Filed:
Oct. 16, 2009
Koichi Murakami, Tokyo, JP;
Koichi Murakami, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
A rear projection image display device according to an aspect of the present invention for projecting an image from a projection device onto a screen from a rear side, includes a plane reflection mirror for changing an optical path of the image from the projection device, fixing members for fixing more than one points on the periphery of the reflection mirror, rod-shaped reinforcement members fastened along the periphery and arranged inside the periphery in the rear side of the reflection mirror, support members being movable in a direction perpendicular to a surface of the reflection mirror, for supporting predetermined points between the fixing members on the periphery of the reflection mirror.