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. 19, 2002
Filed:
Dec. 26, 2000
Applicant:
Inventor:
Yasutoshi Takada, Gamagori, JP;
Assignee:
Nidek Co., Ltd., Gamagori, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 3/10 ;
U.S. Cl.
CPC ...
A61B 3/10 ;
Abstract
An opthalmic apparatus includes an illumination optical system for illuminating an eye of a patient, the illumination optical system including a plurality of LEDs which are illumination light sources for emitting beams of light of wavelengths in different regions and a composing optical system for composing optical paths of the beams of light emitted from the LEDs, an observation optical system for observing the patient's eye, and a light quantity control section capable of controlling an illumination light quantity of each of the LEDs to produce substantially white illumination light.