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:
Jun. 25, 1996
Filed:
Jul. 20, 1995
Tetsuji Ogawa, Inagi, JP;
Takeshi Kitamura, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An ophthalmic photographing apparatus has photographing device for directing the image of an eye to be examined obtained by illuminating the eye to be examined with a predetermined photographing light amount to a recording medium or an image pickup element, a detector for detecting information about the kind and/or sensitivity of the recording medium or the image pickup element into which the image of the eye to be examined is introduced, a photographing light amount correction input device for inputting the correction condition of a photographing light amount, and controller for varying at least one of the correction width and the correction stage of the photographing light amount correction condition inputted by the photographing light amount correction input device on the basis of the result of the detection by the detector. With at least one of the correction width and the correction stage set by the control means, the photographing light amount by the photographing device is controlled on the basis of the input correction condition by the photographing light amount correction input device.