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:
Sep. 12, 2006
Filed:
Oct. 25, 2002
Applicant:
Kayato Sekiya, Tokyo, JP;
Inventor:
Kayato Sekiya, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Power of signal light injected to a Raman amplification medium is measured or estimated by calculation and ratio of the gain between forward pump light and backward pump light is controlled according to the result of the measurement or calculation. Wavelengths used in the forward pumping are optimally allocated.
Quick Actions:
Sekiya, Kayato. (2006). Raman amplification control method, optical communication system, optical amplifier and program (U.S. Patent No. 7106499). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7106499
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