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:
Apr. 26, 2016
Filed:
Jul. 18, 2012
Kazushige Yonenaga, Yokosuka, JP;
Hidehiko Takara, Yokosuka, JP;
Masahiko Jinno, Yokosuka, JP;
Kohki Shibahara, Yokosuka, JP;
Takashi Goh, Atsugi, JP;
Kazushige Yonenaga, Yokosuka, JP;
Hidehiko Takara, Yokosuka, JP;
Masahiko Jinno, Yokosuka, JP;
Kohki Shibahara, Yokosuka, JP;
Takashi Goh, Atsugi, JP;
NIPPON TELEGRAPH AND TELEPHONE CORPORATION, Tokyo, JP;
Abstract
A multi-flow optical transceiver provided with a plurality of wavelength-tunable light sources, a plurality of optical modulation units which modulates light with an input signal, an optical multiplexing/demultiplexing switch which couples light from at least one of the wavelength-tunable light sources to at least one of the optical modulation units with any power, and an optical coupling unit which couples a plurality of lights, modulated by a plurality of the optical modulation units, to at least one waveguide.