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:
Nov. 07, 2023
Filed:
Feb. 27, 2020
Fujikura Ltd., Tokyo, JP;
Hiroshi Tobita, Sakura, JP;
Tomoharu Kitabayashi, Sakura, JP;
Fujikura Ltd., Tokyo, JP;
Abstract
A laser device includes a light source, an optical fiber, a cable coating, an optical connector, a pair of disconnection detection lines, a pair of open detection lines, and a determination portion. The light source outputs a laser beam. The optical fiber propagates the laser beam. The optical fiber is inserted into the cable coating. The optical connector is connected to a tip of the cable coating. The pair of disconnection detection lines include a first disconnection detection line and a second disconnection detection line. The pair of open detection lines include a first open detection line and a second open detection line.