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. 02, 2021
Filed:
Aug. 21, 2020
Seiko Epson Corporation, Tokyo, JP;
Takumi Oike, Matsumoto, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A projection system includes a first camera that captures an image of a projection surface, a second camera that is disposed in a position different from the position of the first camera and captures an image, a first light radiator that radiates light having a first optical characteristic onto the projection surface, a second light radiator that radiates light having a second optical characteristic different from the first optical characteristic onto the projection surface, and a detection section that detects a pointing element based on a first captured image captured with the first camera, detects another pointing element based on a second captured image captured with the second camera, and detects a position at which the pointing element is pointing and a position which is located on the projection surface and at which the other pointing element is pointing based on the first and second captured images.