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US 4,730,096 AGranted
Welding monitoring apparatus
AssigneeOlympus Optical Co., Ltd.
InventorMorihide Mizumoto
Life of this patent
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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.
Claims21
A welding monitoring apparatus for monitoring a welding state or the like luminous at a high luminance comprising:
- an objective forming the image of an object position;
- an image guide formed of an optical fiber bundle arranged on one end surface in the focal plane of said objective and transmitting an optical image to the other end surface;
- an eyepiece for magnifying and observing the optical image transmitted by said image guide;
- and
- a light attenuating means provided near at least one end surface of said image guide and dimming a part of the image.
2 more elements
Dependencies are inferred from the claim text.