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:
Apr. 30, 1991
Filed:
Jun. 26, 1989
Applicant:
Inventor:
Masakatsu Iwamoto, Kagawa, JP;
Assignee:
Ryusyo Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
351211 ; 351208 ;
Abstract
An apparatus for measuring the refractive power of eye having an optical measuring device provided with a measuring optical system and a main body for calculating the refractive power of eye based on data transmitted thereto from the optical measuring device. The optical measuring device is separate from the main body so as to be hand-movable. An examiner adjusts the position of the optical measuring device with respect to the patient's eye irrespective of the patient's posture.