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:
Feb. 18, 2014
Filed:
Jun. 14, 2011
Shingo Otsuka, Shiojiri, JP;
Shingo Otsuka, Shiojiri, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A projector includes: a reflection type polarization plate; a reflection type light modulation device; a light transmissive component; a support body; an optical compensation element disposed within the support body; and a control member which supports the optical compensation element, wherein any one of the first side surface, the second side surface, and the third side surface has a concave portion concaved toward the inside of the support body to accommodate the control member, the control member has an operation section which controls the position of the optical compensation element around a predetermined axis, and an operation notch through which the operation section projects to the outside of the support body is formed on the side wall of the concave portion.