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:
Nov. 15, 2016
Filed:
Jun. 26, 2014
Seiko Epson Corporation, Tokyo, JP;
Takaaki Ozawa, Shiojiri, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
In at least one embodiment, a projection display device comprises an image projection section, an imaging section, a location specifying section, and a display control section. The image projection section is configured to project an image toward a projection surface. The imaging section is configured to capture an image of the projection surface. The location specifying section is configured to specify a location of a position indication light emitted from an electronic pen which is operated on the projection surface based on an image captured by the imaging section. The display control section is configured to set a projection range of the image based on the location specified by the location specifying section, and to alter the projection range of the image in accordance with the set projection range.