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:
Oct. 01, 2013
Filed:
Jun. 14, 2011
Shinichi Wakabayashi, Suwa, JP;
Kanji Yoshida, Azumino, JP;
Shinichi Wakabayashi, Suwa, JP;
Kanji Yoshida, Azumino, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A light control apparatus that controls the amount of light passing therethrough by blocking part of an incident light flux, includes: a pair of pivotal members having pivotal axes extending along a direction substantially perpendicular to a central axis of the light flux; and a pair of light blocking members held by the pair of pivotal members and changing the size of a light blocking area as the pair of pivotal members pivot, the light blocking area blocking part of the light flux, wherein the pivotal axes are located in positions that overlap with an area where the light flux passes, and the pair of light blocking members are located in positions that do not overlap with the pivotal axes.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile