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:
Jan. 14, 2014
Filed:
Aug. 30, 2011
Mun Seob Lee, Daejeon, KR;
Jong Deog Kim, Daejeon, KR;
Dongsoo Lee, Gwangju, KR;
Sung Chang Kim, Gwangju, KR;
Hark Yoo, Gwangju, KR;
Geun Yong Kim, Goyang-si, KR;
Youngsuk Lee, Gwangju, KR;
Sim-kwon Yoon, Gwangju, KR;
Mun Seob Lee, Daejeon, KR;
Jong Deog Kim, Daejeon, KR;
Dongsoo Lee, Gwangju, KR;
Sung Chang Kim, Gwangju, KR;
Hark Yoo, Gwangju, KR;
Geun Yong Kim, Goyang-si, KR;
Youngsuk Lee, Gwangju, KR;
Sim-Kwon Yoon, Gwangju, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Abstract
Disclosed is an optical amplifier which includes an upward optical amplifier configured to amplify an input upward optical signal of an input optical signal; and a control circuit configured to control an operation of the upward optical amplifier according to whether an upward stream is detected from the input upward optical signal.