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:
Jun. 26, 2018
Filed:
Mar. 10, 2015
Applicant:
Sony Corporation, Tokyo, JP;
Inventors:
Yukihiro Sasazaki, Tokyo, JP;
Jun Nishikawa, Kanagawa, JP;
Assignee:
SONY CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/14 (2006.01); G02B 7/09 (2006.01); H04N 9/31 (2006.01); G03B 21/28 (2006.01); G03B 21/00 (2006.01);
U.S. Cl.
CPC ...
G03B 21/142 (2013.01); G02B 7/09 (2013.01); G03B 21/145 (2013.01); H04N 9/317 (2013.01); H04N 9/3179 (2013.01); G03B 21/005 (2013.01); G03B 21/147 (2013.01); G03B 21/28 (2013.01);
Abstract
A display processing device includes a focus control unit configured to control a focal length in at least a central area of a projection image in accordance with a user operation, the projection image being enlarged and projected from a projection optical system capable of setting the focal length of the projection image at a short range.