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:
Jun. 14, 2022
Filed:
Jul. 02, 2019
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Masashi Kikuchi, Tsukuba, JP;
Yusuke Yamada, Tsukuba, JP;
Hisashi Izumita, Tsukuba, JP;
Junichi Kawataka, Tsukuba, JP;
Kazunori Katayama, Tsukuba, JP;
NIPPON TELEGRAPH AND TELEPHONE CORPORATION, Tokyo, JP;
Abstract
An intermittent tape core wire () of an optical fiber cable is assembled into a cable core so that in a k core wire, an l core wire, and an m core wire composed of a multi-core optical fibers continuously adjacent in the width direction of the intermittent tape core wire (), a difference θ between a core wire twisting direction Dof the k core wire at a bonding portion () connecting the k core wire and the l core wire and a core wire twisting direction Dof the k core wire at a bonding portion () connecting the k core wire and the m core wire is different from when manufactured.