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:
Mar. 17, 2015
Filed:
Aug. 27, 2010
Seiji Sasho, Tokyo, JP;
Makoto Kawashima, Kasugai, JP;
Seiji Sasho, Tokyo, JP;
Makoto Kawashima, Kasugai, JP;
Asahi Kasei E-Materials Corporation, Tokyo, JP;
Chubu University Educational Foundation, Kasugai-Shi, JP;
Abstract
A rotary optical link joint having a small change in transmission loss during rotational use is provided. In order to realize this, the rotary optical link joint according to the present invention is an optical link joint that relatively rotatably holds, centering around an axis line (), a first optical fiber () and a second optical fiber (), wherein a part or all of the first optical fiber () and the second optical fiber () are configured by a multi-core optical fiber having a plurality of cores, and wherein the plurality of cores is arranged in a circular or annular area that is sectioned by a concentric circle centered around the axis line () of the multi-core optical fiber.