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:
Dec. 16, 2025
Filed:
Jul. 02, 2021
Nec Corporation, Tokyo, JP;
Yoshinari Takigawa, Tokyo, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
In order to improve the flexibilities of structures to be added, a submarine optical cable system according to the present invention comprises a first switching device connected to a first land station by means of a first submarine optical cable, a second switching device connected to a second land station by means of a second submarine optical cable, and a third submarine optical cable connected to the first switching device and to the second switching device, wherein the first switching device comprises a first optical fiber core connecting unit and a first optical switch group, and the second switching device comprises a second optical fiber core connecting unit and a second optical switch group.