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. 21, 1995
Filed:
Mar. 18, 1993
Applicant:
Inventor:
Yasuhiro Okazaki, Tokyo, JP;
Assignee:
Kabushiki Kaisha TOPCON, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B / ; A61B / ; A61B / ;
U.S. Cl.
CPC ...
351205 ; 351200 ; 128670 ;
Abstract
An ophthalmic instrument provided with an eye fundus measuring portion 1 for finding a position of the eye fundus of a patient's eye includes a transducer 11 for outputting a heartbeat signal corresponding to the heartbeat of a patient, a vital signal generating circuit 13, a synchronizing circuit 14, and a timer 16 each for actuating the eye fundus measuring portion 1 synchronously with the heartbeat signal.