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. 28, 1987
Filed:
May. 07, 1985
Applicant:
Inventor:
Minoru Okada, Hachioji, JP;
Assignee:
Olympus Optical Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G01B / ;
U.S. Cl.
CPC ...
356383 ; 128-6 ;
Abstract
An optical adaptor incorporating a projecting optical system, view field-changing optical system and at least one index attached to said projecting optical system is provided to be attached detachably to the tip portion of insert member of an endoscope equipped with an illuminating optical system for illuminating an object and an objective optical system for focusing the object into the elongated tip of the insert member, thereby enabling measuring the length of the object by projecting the index to the plane including the object.