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. 10, 1991
Filed:
Dec. 15, 1989
Applicant:
Inventor:
Tatsuya Kasahara, Amagasaki, JP;
Assignee:
Konan Camera Research Institute Inc., Hyogo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
128745 ; 351209 ; 351211 ;
Abstract
A goggle type eye movement analyzing device which can be mounted on examinee's head incorporating a pair of eyepieces positioned in front of the eyes. Each eyepiece includes a light source, a target, and a TV camera which receives light reflected from the eye to observe eye movement. A video analyzing device is connected to the eyepieces so that it records and analyzes signals from the TV cameras which can automatically focus on the proximate area of the iris of the eye.
Quick Actions:
Kasahara, Tatsuya. (1991). Eye movement analyzing device utilizing pupil center-of-gravity data (U.S. Patent No. 5070883). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5070883
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile