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. 17, 2019
Filed:
Mar. 12, 2019
Seiko Epson Corporation, Tokyo, JP;
Yukihiro Karasawa, Azumino, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
An image projection system includes a projector and a pointing element. The projector includes: an image projection unit which projects an image; an image pickup unit; a detection unit which detects a pointed position of the pointing element, based on an image picked up by the image pickup unit; a synchronization signal transmission unit which transmits a synchronization signal to the pointing element; a screen size acquisition unit which acquires a screen size of the image projected from the image projection unit; and a synchronization signal adjustment unit which sets a light emission intensity of the synchronization signal to a first intensity if the acquired screen size is a first size and which sets the light emission intensity of the synchronization signal to a second intensity that is lower than the first intensity if the acquired screen size is a second size that is smaller than the first size.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile