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. 08, 1988
Filed:
Mar. 16, 1987
Applicant:
Inventor:
Morihide Mizumoto, Hachioji, JP;
Assignee:
Olympus Optical Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
21913001 ; 219136 ; 219147 ; 350 9625 ; 350362 ;
Abstract
An apparatus for monitoring the welding state or the like of a welding part luminous at a high luminance wherein a light attenuating device is arranged near at least one end surface of an image guide arranged at one end in the focal plane of an image forming objective and transmitting an optical image to the other end side so that even an image having a high luminance part may be monitored without glaring.