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. 16, 1997
Filed:
Jul. 18, 1994
Applicant:
Inventors:
Assignee:
Kabushiki Kaisha TOPCON, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
351212 ; 351205 ;
Abstract
A corneal shape measuring apparatus includes a system 1 for concentrically projecting a plurality of ring images 6 onto a cornea C, a system 3 for receiving the ring images 6 projected onto the cornea C, and a multipoint detecting circuit 9 and a light emission controlling circuit 10 each for avoiding the overlap of adjacent ring images of the ring images 6 projected onto the cornea C.
Sakurai, Akio. (1997). Corneal shape measuring apparatus (U.S. Patent No. 5668623). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5668623
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile