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:
Jun. 30, 2026
Filed:
Apr. 14, 2023
Applicant:
Nec Corporation, Tokyo, JP;
Inventor:
Tatsuya Yamazaki, Tokyo, JP;
Assignee:
NEC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04J 14/02 (2006.01); H04B 10/079 (2013.01); H04B 10/516 (2013.01);
U.S. Cl.
CPC ...
H04J 14/02212 (2023.08); H04B 10/07955 (2013.01); H04B 10/5161 (2013.01);
Abstract
The dummy-light generation device includes an ASE light source that generates ASE light, and a spectrum processing circuit that generates dummy light transmitted together with signal light by processing a spectrum of the ASE light, and the spectrum processing circuit processes the spectrum of the ASE light in advance in such a way that a spectrum of the dummy light and a spectrum of the signal light can be distinguished from each other on at least one of a frequency axis and a time axis on a reception side.
Yamazaki, Tatsuya. (2026). Dummy-light generation device, optical transmission system, and dummy-light generation method (U.S. Patent No. 12671516). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12671516
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile