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. 03, 2026
Filed:
Sep. 30, 2020
Ntt, Inc., Tokyo, JP;
Yasunari Tanaka, Musashino, JP;
Junichi Kani, Musashino, JP;
Hiroo Suzuki, Musashino, JP;
Takuya Kanai, Musashino, JP;
NTT, Inc., Tokyo, JP;
Abstract
An optical communication system includes: an optical fiber including a plurality of cores; a first optical communication device provided with an optical transmission unit and an optical reception unit each connected to one end of one of the cores on an interface surface; and a second optical communication device provided with an optical transmission unit and an optical reception unit each connected to another end of any one of the cores on an interface surface, in which one of the connection ends of the first optical communication device and of the second optical communication device being in a line-symmetric positional relationship with respect to a vertical line to a horizontal plane of when the first optical communication device and the second optical communication device are installed on the horizontal plane such that the interface surfaces of the first optical communication device and the second optical communication device face a front.