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:
Oct. 03, 1995
Filed:
Feb. 26, 1993
Koji Yazawa, Tachikawa, JP;
Kazunobu Kobayashi, Yokohama, JP;
Kazuhiro Matsumoto, Kawasaki, JP;
Shinya Tanaka, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An ophthalmologic apparatus has an illuminating system for illuminating the fundus of an eye to be examined with infrared light from substantially the front of the eye to be examined through a pupil area, the illuminating system having a light source, and an image pickup camera for receiving infrared reflected light from the fundus of the eye to be examined illuminated by the illuminating system on an image pickup surface conjugate with the front eye part of the eye to be examined. The turbid state of the light transmitting body portion of the eye to be examined can be ascertained by the image output from the image pickup camera.