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:
Oct. 01, 2019
Filed:
Jan. 20, 2015
Seiko Epson Corporation, Tokyo, JP;
Hieu Nguyen, Narvik, NO;
Tormod Njolstad, Trondheim, NO;
Babak Moussakhani, Trondheim, NO;
Karol Marcin Pawlak, Trondheim, NO;
Kenji Tanaka, Trondheim, NO;
Shinji Kubota, Ina, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
A projector includes an imaging unit which images a screen SC, and a position detection unit which detects an indication position of an indicator based on a captured image of the imaging unit. The position detection unit detects reflected light of detection light reflected by the indicator from the captured image of the imaging unit and obtains the indication position of the indicator based on the position of the reflected light detected from the captured image and the distance between the screen SC and the imaging unit.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile