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:
Feb. 28, 1989
Filed:
Nov. 05, 1987
Sumitomo Electric Industries, Ltd., Osaka, JP;
Abstract
A fiberscope having a covering tube, an image fiber for transmitting picture images and equipped with an optical system at its tip end for focusing an image of an object to be observed, and light guides for transmitting light and placed along with said image fiber. The image fiber and the light guides are enclosed in said covering tube. A plastic body formed of substantially transparent material and convex shape is provided at front ends of the light guides. Liquid guide passages are also provided between an inner peripheral surface of the covering tube and outer peripheral surfaces of the image fiber and the light guides. Outlet ends of the light guides are arranged in positions substantially symmetrical with respect to an output end of the image fiber, and outlet ends of the liquid guide passages are arranged in positions substantially symmetrical with respect to the outlet end of the image fiber.