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. 01, 2022
Filed:
Feb. 28, 2019
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Kengo Horikoshi, Musashino, JP;
Takashi Yamada, Musashino, JP;
Hisao Yoshinaga, Musashino, JP;
Shunsuke Kanai, Musashino, JP;
Manabu Kubota, Musashino, JP;
NIPPON TELEGRAPH AND TELEPHONE CORPORATION, Tokyo, JP;
Abstract
A fiber module (B) according to the present disclosure includes an input-side optical fiber (), an output-side optical fiber (), a ferrule () in which the input-side optical fiber and the output-side optical fiber are insertable in both ends and a groove () is formed in a direction orthogonal to a longitudinal direction (D) in the middle of the longitudinal direction, a dielectric multilayer film filter () inserted in the groove, and an input-side GI fiber () and an output-side GI fiber () joined by fusion to respective terminal portions of the input-side optical fiber and the output-side optical fiber. The dielectric multilayer film filter is interposed between an end surface () of the input-side GI fiber and an end surface () of the output-side GI fiber in the longitudinal direction.