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:
Oct. 28, 2025
Filed:
Dec. 21, 2022
Ntt, Inc., Tokyo, JP;
Tetsuro Inui, Tokyo, JP;
Hideki Nishizawa, Tokyo, JP;
Seiji Okamoto, Tokyo, JP;
Akira Hirano, Tokyo, JP;
Shokei Kobayashi, Tokyo, JP;
Fumikazu Inuzuka, Tokyo, JP;
Seiki Kuwabara, Tokyo, JP;
Takafumi Tanaka, Tokyo, JP;
Kei Kitamura, Tokyo, JP;
Takuya Oda, Tokyo, JP;
NTT, Inc., Tokyo, JP;
Abstract
An optical transmission system including an optical transmission device and an optical reception device that receives, via an optical transmission line, a signal transmitted from the optical transmission device, the optical transmission system including a transmission-mode selection unit that selects transmission mode information in descending order of priority out of transmission mode information, which is combinations of a plurality of parameters concerning transmission performance, the transmission mode information being a plurality of kinds of the transmission mode information common to the transmission performance of the optical transmission device and the optical reception device, a signal transmission unit that transmits, to the optical reception device, a signal modulated based on the selected transmission mode information, and a signal reception unit that receives the signal and modulates the received signal based on the transmission mode information selected by the transmission-mode selection unit.