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 9319142 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 19, 2016

Filed:

Oct. 15, 2014
Applicant:

Sumitomo Electric Industries, Ltd., Osaka-shi, JP;

Inventors:

Takatoshi Kato, Yokohama, JP;

Kazuhiro Yamaji, Yokohama, JP;

Hiromi Kurashima, Yokohama, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/40 (2013.01); H04B 10/61 (2013.01); G02B 6/42 (2006.01);
U.S. Cl.
CPC ...
H04B 10/40 (2013.01); G02B 6/4213 (2013.01); G02B 6/4246 (2013.01); H04B 10/611 (2013.01);
Abstract

An optical transceiver applicable to the coherent communication is disclosed. The optical transceiver includes a laser module, a transmitter module to output a transmitting signal by modulating a phase of an laser beam output from the laser module, and a receiver module to receive a receiving signal modulated in the phase thereof and extract data by multiplying the receiving signal with an laser beam output from the laser module.


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Kato, Takatoshi. (2016). Full-duplex optical transceiver applicable to digital coherent system (U.S. Patent No. 9319142). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9319142

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