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:
Nov. 02, 2010
Filed:
Sep. 05, 2008
Hirokazu Nishino, Akishima, JP;
Yoshiaki Horikawa, Hachioji, JP;
Akira Shiral, Hino, JP;
Fusao Ishii, Menlo Park, CA (US);
Hirokazu Nishino, Akishima, JP;
Yoshiaki Horikawa, Hachioji, JP;
Akira Shiral, Hino, JP;
Fusao Ishii, Menlo Park, CA (US);
Silicon Quest Kabushiki-Kaisha, , JP;
Olympus Corporation, , JP;
Abstract
The present invention provides a projection apparatus comprising: a light source, a light source control unit for controlling the output of the light source; at least one spatial light modulator for modulating the illumination light from the light source by multiple pixel elements; and an optical system for projecting, onto a screen, the illumination light deflected by the spatial light modulator, wherein: the light source control unit 1) modulates the output of the illumination light from the light source during a modulation period of the spatial light modulator, and 2) non-linearly controls the gray scale of an image projected onto the screen.