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:
Nov. 29, 1988
Filed:
Jul. 02, 1986
Applicant:
Inventor:
Isao Matsumura, Yokosuka, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B / ; G02B / ; G01B / ;
U.S. Cl.
CPC ...
351212 ; 356124 ; 350516 ;
Abstract
A stereoscopic microscope including a stereoscopic optical system for observing an object under examination, an index projected on the object, a light-receiving unit for receiving an image of the index reflected by the object, an image variable magnification unit for changing the size of the reflected image on the light-receiving unit, a variable magnification detection unit for detecting the magnification set by the image variable magnification unit, and an operation unit for calculating a curved shape of the object from data from the detection unit and data from the light-receiving unit.