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. 19, 2010
Filed:
Aug. 01, 2007
Takahiro Sagawa, Chino, JP;
Takahiro Sagawa, Chino, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A projector screen that is used together with a projector for protecting a moving image being a result of scanning output of a video signal, and displays the moving image by a projection light reaching thereto after being emitted when the projector projects the moving image, the projector screen includes: a screen member that configures a partition screen area being a part of a screen area of displaying the moving image partitioned to a plurality of rows, and is capable of mode change between a first mode of delivering the projection light having reached the partition screen area to a side of a viewer, and a second mode of not delivering the projection light having reached the partition screen area to the viewer; and mode changing means for moving, for the screen member of each of the rows of the screen area, by exercising control over each of the screen members in terms of mode change between the first and second modes, any of the partition screen areas put in the second mode in the screen area.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile