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. 13, 2015
Filed:
Nov. 05, 2012
Applicant:
Exelis Inc., McLean, VA (US);
Inventor:
David B. Kaplan, Vinton, VA (US);
Assignee:
Exelis Inc., McLean, VA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 26/02 (2006.01); G02B 27/01 (2006.01); G09G 5/14 (2006.01);
U.S. Cl.
CPC ...
G02B 27/01 (2013.01); G02B 27/017 (2013.01); G02B 26/02 (2013.01); G09G 5/14 (2013.01);
Abstract
A display apparatus includes a beam combiner receiving a first image projected by a source, and a second image. The beam combiner combines the first image and the second image into a third image. A variable mask is configured to mask portions of the second image from the beam combiner. A controller is configured to shape the variable mask according to the content of the first image.