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:
Dec. 22, 2015
Filed:
Jun. 01, 2011
Applicants:
John D. Fergason, Cupertino, CA (US);
James L. Fergason, Menlo Park, CA (US);
Dora D. Fergason, Menlo Park, CA (US);
Inventors:
John D. Fergason, Cupertino, CA (US);
James L. Fergason, Menlo Park, CA (US);
Assignee:
Fergason Licensing LLC, Portola Valley, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 5/10 (2006.01); G09G 3/36 (2006.01); G09G 3/34 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3406 (2013.01); G09G 2320/0646 (2013.01); G09G 2360/144 (2013.01);
Abstract
A display system and method for improving legibility of images viewed on a passive display in a bright environment, including apparatus and method for increasing or maintaining the range of grey levels for the image as viewed on the display and decreasing the number of grey levels used in that range.