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. 23, 2014
Filed:
Sep. 20, 2011
Sung Chang Kim, Gwangju, KR;
Geun Yong Kim, Goyang-si, KR;
Hark Yoo, Gwangju, KR;
Youngsuk Lee, Gwangju, KR;
Sim-kwon Yoon, Gwangju, KR;
Jong Deog Kim, Daejeon, KR;
Sung Chang Kim, Gwangju, KR;
Geun Yong Kim, Goyang-si, KR;
Hark Yoo, Gwangju, KR;
Youngsuk Lee, Gwangju, KR;
Sim-Kwon Yoon, Gwangju, KR;
Jong Deog Kim, Daejeon, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Abstract
Provided is an optical network unit saving power. The optical network unit may include a processor checking whether at least one downward physical block, the upward physical block and a data switching block operate in an idle mode, sequentially transiting at least one downward physical block, an upward physical block and a data switching block to a sleep mode according to the checking result and sequentially transiting an optical transmission-reception block and the medium access control block to a sleep mode by judging whether or not a medium access control block transits to a sleep mode.