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:
Jul. 13, 2004
Filed:
May. 18, 2001
Applicant:
Inventors:
Victor Weiss, Rehovot, IL;
Uzi Orion, Yavne, IL;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 ; G02F 1/1333 ; G09G 5/00 ;
U.S. Cl.
CPC ...
G02F 1/1335 ; G02F 1/1333 ; G09G 5/00 ;
Abstract
The invention provides a system for varying the transmittance of light through selected portions of a media on which images are displayed, the system including an image display panel, an image display source for projecting images on the media, LC-based, variable transmittance optical (VTO) media, a light sensor for measuring ambient light, and a signal generator connected to the VTO media for applying voltage to portions of the media at levels determined and controlled by the sensor, whereby the transmittance of light through the portions of the media is varied in accordance with the prevailing ambient light. A method is also provided.