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:
Mar. 09, 2004
Filed:
Oct. 11, 2002
Applicant:
Inventor:
Isao Matsumura, Yokosuka, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 3/14 ; A61B 3/10 ; G01B 9/00 ;
U.S. Cl.
CPC ...
A61B 3/14 ; A61B 3/10 ; G01B 9/00 ;
Abstract
An ophthalmic measuring device for obtaining three-dimensional information of an eye to be examined without time lag by projecting pulsed light chirped in such a manner that color is continuously changed from the leading end through the tail end of a pulsed light with time on the eye to be examined, cutting out the pulsed light reflected from the eye to be examined at a predetermined timing by a shutter, and obtaining spectroscopic distribution characteristic of the cut-out image by a spectroscopic unit.