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. 13, 2015
Filed:
Aug. 19, 2011
Sung Chang Kim, Gwangju-si, KR;
Jong Deog Kim, Daejeon, KR;
Dong Soo Lee, Gwangju-si, KR;
Hark Yoo, Gwangju-si, KR;
Geun Yong Kim, Goyang-si, KR;
Young Suk Lee, Gwangju-si, KR;
Mun Seob Lee, Daejeon, KR;
Sung Chang Kim, Gwangju-si, KR;
Jong Deog Kim, Daejeon, KR;
Dong Soo Lee, Gwangju-si, KR;
Hark Yoo, Gwangju-si, KR;
Geun Yong Kim, Goyang-si, KR;
Young Suk Lee, Gwangju-si, KR;
Mun Seob Lee, Daejeon, KR;
Intellectual Discovery Co., Ltd., Seoul, KR;
Abstract
An optical subscriber network for power reduction is provided. The optical subscriber network may include an Optical Line Terminal (OLT) and an Optical Network Terminal (ONT). The OLT may manage a plurality of ONTs by classifying the plurality of ONTs into a sleep group, and may multicast a sleep allowance message only to ONTs included in a predetermined sleep group.