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. 25, 2020
Filed:
Dec. 11, 2017
Fujikura Ltd., Tokyo, JP;
Kenji Okada, Sakura, JP;
FUJIKURA LTD., Tokyo, JP;
Abstract
A control device which is used in a manufacturing apparatus of an optical fiber, the manufacturing apparatus including: a drawing unit; a coating unit; and a curing unit which cures the coating layer. The control device includes: one or a plurality of direction changing devices which change a direction of the bare optical fiber at any position between the drawing unit and the coating unit; a position detection unit which detects a position of the bare optical fiber in the direction changing device; an outer diameter measurement unit which measures an outer diameter of the bare optical fiber; and a control unit which controls a flow rate of a fluid introduced into the direction changing device on the basis of the position of the bare optical fiber measured by the position detection unit and the outer diameter of the bare optical fiber measured by the outer diameter measurement unit.