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:
Jan. 21, 1997
Filed:
Aug. 30, 1994
Applicant:
Inventor:
Nobuyuki Yano, Okazaki, JP;
Assignee:
Nidek Co., Ltd., , JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
351211 ; 351208 ;
Abstract
An ophthalmic apparatus in which alignment light is projected on the objected eye, and cornea reflecting images of the alignment light are detected at a first and a second detecting optical systems disposed in different directions respectively and, based on the detected data at the first and the second detecting optical systems, a three-dimensional position of the measured portion is found out by a calculating device.
Quick Actions:
Yano, Nobuyuki. (1997). Ophthalmic apparatus having three dimensional calculating means (U.S. Patent No. 5596377). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5596377
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