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.

Date of Patent:
Jan. 29, 1991

Filed:

Jun. 12, 1989
Applicant:
Inventors:

Tatsuya Kasahara, Amagasaki, JP;

Kyuichi Kishi, Kobe, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
351210 ; 351206 ; 351158 ;
Abstract

An eye movement inspection device of goggle shape with a light-shut-out cover which creates a 'dark room' in front of eyes. Inside of the goggles, infrared ray radiators (LEDs) illuminate light on the eyes through reflection plates, and micro TV camera catch eye movement which is made when the eyes follow the on-and-off target LEDs arranged in cross shape in front of the eyes. The infrared ray radiator, TV camera, reflection plates and target LEDs are assembled in a single unit, forming a movable eyepiece for each eye, and the eyepieces provided side by side are freely movable horizontally, vertically and in the direction of ocular axis.


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Kasahara, Tatsuya. (1991). Eye movement inspection device (U.S. Patent No. 4988183). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4988183

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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