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. 08, 2020
Filed:
Feb. 20, 2018
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Shiki Furui, Matsumoto, JP;
Assignee:
SEIKO EPSON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/042 (2006.01); G06F 3/0481 (2013.01); G06F 3/041 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0425 (2013.01); G06F 3/0416 (2013.01); G06F 3/04817 (2013.01); G06F 3/04812 (2013.01);
Abstract
A projector includes a projection section that projects a projection image on a projection surface, a display control section that displays a marker on the projection image, an imaging section that captures an image of the projection surface to produce a captured image, a detection section that detects a change in the position of the marker based on the captured image, and a processing section that carries out a predetermined process when the change in the position of the marker is detected.