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:
Sep. 04, 2007
Filed:
Sep. 11, 2002
Motoya Takai, Tokyo, JP;
Motoya Takai, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A fixed target position which is synthesized and outputted is shifted to a correct position of a display device in accordance with an image pickup magnification of an eye to be examined. A state in which the imaging lens is moved to change an imaging magnification of an eye fundus image Pr of an eye to be examined E is indicated. If an image is magnified, the state wherein a mark Mand a substantial center of a macular portion Po of the eye to be examined coincide with each other may change to the state wherein the macular portion Po is deviated from the mark M. In such case, with respect to a shifting distance of the mark Mrequired at this time, in the case where the position of the mark Mis located at a distance of 'a' from a center, when an image pickup magnification is n times, it is n·a from the center.