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:
Dec. 28, 2010
Filed:
Aug. 21, 2007
Applicants:
Masaki Sato, Tokyo, JP;
Morihiko Ota, Tokyo, JP;
Tadashi Koga, Tokyo, JP;
Inventors:
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical receiver includes an optical amplifier configured to amplify an input optical signal and output an amplified optical signal; and a light receiving element configured to convert the amplified optical signal into an electrical signal and output the electrical signal, and the optical amplifier controls an output-level of the amplified optical signal according to a wavelength of the input optical signal.