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:
Dec. 25, 2007
Filed:
Dec. 06, 2004
Hidehiko Hori, Tokyo, JP;
Hidehiko Hori, Tokyo, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
A projection-type image displaying apparatus includes: a first color wheel for splitting a light ray from a light source into colored light rays according to color transmission characteristics by the wheel being rotated; a second color wheel for further splitting the colored light rays from the first color wheel by the wheel being rotated; a reflection display device for reflecting, while modulating or switching the light rays transmitted through the second color wheel in synchronization with image signals from an image signal inputting unit, and varying phase of the color wheels in accordance with the changing picture quality; and a reflection drive control unit for controlling the driving of the reflection display device.