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. 30, 2025
Filed:
Dec. 01, 2022
Jvckenwood Corporation, Yokohama, JP;
Takahiro Hayashi, Yokohama, JP;
JVCKENWOOD Corporation, Yokohama, JP;
Abstract
An eye-gaze detecting device includes an image data acquisition unit configured to acquire image data of an eyeball of a test subject irradiated with detection light; a position detection unit configured to detect, from the image data, position data of pupil center of the eyeball and position data of corneal reflection center; a pupil diameter calculation unit configured to calculate a pupil diameter of the test subject from the image data; a curvature center calculation unit configured to calculate a corneal curvature radius corresponding to the pupil diameter, and obtain position data of corneal curvature center based on the position data of the corneal reflection center and the corneal curvature radius; and a point-of-gaze detection unit configured to calculate, based on the position data of the pupil center and corneal curvature center, position data of point of gaze of the test subject on a plane including a display unit.