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. 29, 2020
Filed:
Apr. 05, 2019
Tokai Optical Co., Ltd., Aichi, JP;
Chubu University Educational Foundation, Aichi, JP;
Nac Image Technology Inc., Tokyo, JP;
Kabushiki Kaisha Tokai Rika Denki Seisakusho, Aichi, JP;
Eiji Suzuki, Aichi, JP;
Yutaka Hirata, Aichi, JP;
Shogo Nakamura, Tokyo, JP;
Shinichi Ueda, Aichi, JP;
Masaya Yamamoto, Aichi, JP;
TOKAI OPTICAL CO., LTD., Aichi, JP;
CHUBU UNIVERSITY EDUCATIONAL FOUNDATION, Aichi, JP;
NAC IMAGE TECHNOLOGY INC., Tokyo, JP;
KABUSHIKI KAISHA TOKAI TIKA DENKI SEISA KUSHO, Aichi, JP;
Abstract
An eye movement measuring device for detecting an eyeball-state/movement including: an eyeball photographing device configured to take a photograph of an eyeball; and an eye movement detecting unit configured to detect eye movement based on eyeball image as a photograph taken with the eyeball photographing device, the eyeball photographing device including an eyeball illuminating unit configured to illuminate an eyeball of a subject including a driver with illumination light, an eyeball image imaging unit configured to obtain eyeball image as a result of imaging the illuminated eyeball, and an arranging unit configured such that, when the eyeball photographing device is worn by the subject, the eyeball illuminating unit is arranged in a position where the eyeball can be irradiated with the illumination light, and the eyeball image imaging unit is arranged in a position where the eyeball image can be obtained as a result of the imaging.