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:
Feb. 12, 2019
Filed:
Sep. 18, 2011
Applicants:
Tomotaka Ogura, Tokyo, JP;
Katsumi Ikuta, Tokyo, JP;
Inventors:
Tomotaka Ogura, Tokyo, JP;
Katsumi Ikuta, Tokyo, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 21/4402 (2011.01); H04N 21/442 (2011.01); H04N 9/31 (2006.01); H04N 21/422 (2011.01); H04N 21/4223 (2011.01);
U.S. Cl.
CPC ...
H04N 21/440263 (2013.01); H04N 9/3185 (2013.01); H04N 9/3194 (2013.01); H04N 21/4223 (2013.01); H04N 21/42202 (2013.01); H04N 21/442 (2013.01);
Abstract
A projection device includes a projection unit configured to project a screen, a distance detection unit configured to detect a projection distance of the screen, and a control unit configured to control the amount of information on the screen according to the projection distance detected by the distance detection unit.