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:
May. 11, 2010
Filed:
Mar. 24, 2006
Junichi Nakamura, Shiojiri, JP;
Takashi Nitta, Chino, JP;
Shoichi Uchiyama, Shimosuwa-machi, JP;
Tsunemori Asahi, Azumino, JP;
Junichi Nakamura, Shiojiri, JP;
Takashi Nitta, Chino, JP;
Shoichi Uchiyama, Shimosuwa-machi, JP;
Tsunemori Asahi, Azumino, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A projector includes: a first light modulation device that modulates illumination light; a second light modulation device that further modulates the illumination light modulated by the first light modulation device; a projection unit that projects the modulated illumination light toward a screen; and an optical device moving unit that moves an optical device blocking at least part of the illumination light relatively to a light path of the illumination light to move the device off the light path in response to an external request.