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.:

US 6705728 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 16, 2004

Filed:

Mar. 30, 2001
Applicant:
Inventors:

Tadashi Okamoto, Tokyo, JP;

Mitsuaki Wada, Tokyo, JP;

Takeyuki Kato, Tokyo, JP;

Masaki Ohno, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 3/10 ;
U.S. Cl.
CPC ...
A61B 3/10 ;
Abstract

In order to observe a front eye portion of an eye (E) to be examined, when a frame is moved to within a first region to approach the eye E to be examined, a stereo angle converting portion as means for shifting an optical path and a color temperature converting element ( ) as optical converting means are removed from right and left optical axes (L and L ). On the other hand, in order to observe an eye fundus portion of the eye (E) to be examined, when the frame is moved to within a second region to leave the eye (E) to be examined, the stereo angle converting portion and the color temperature converting element ( ) are disposed on the right and left optical axes (L and L ).


Find Patent Forward Citations

Okamoto, Tadashi. (2004). Ophthalmologic apparatus (U.S. Patent No. 6705728). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6705728

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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