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.:

US 9742500 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 22, 2017

Filed:

Mar. 28, 2016
Applicant:

Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;

Inventors:

Yoshito Kachita, Kawasaki, JP;

Norifumi Shukunami, Yokohama, JP;

Assignee:

FUJITSU LIMITED, Kawasaki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 10/04 (2006.01); H04B 10/564 (2013.01); H04B 10/294 (2013.01); H04B 10/50 (2013.01);
U.S. Cl.
CPC ...
H04B 10/564 (2013.01); H04B 10/294 (2013.01); H04B 10/506 (2013.01);
Abstract

An optical transmission apparatus includes an amplifier array device; and a switch device coupled to the amplifier array device via an optical cable, wherein the amplifier array device includes a plurality of amplifiers configured to amplify a plurality of optical signals at mutually different wavelengths and to output the plurality of amplified optical signals, a plurality of beam separators configured to generate a plurality of separated light beams by separating the plurality of amplified optical signals and to output the plurality of separated light beams, a beam combiner configured to generate combined light by combining the plurality of separated light beams and to output the combined light to the switch device through the optical cable, and a photo-detector configured to detect a power of the combined light returned from the switch device through the optical cable.


Find Patent Forward Citations

Kachita, Yoshito. (2017). Optical transmission apparatus and optical signal processing method (U.S. Patent No. 9742500). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9742500

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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