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:
Jul. 02, 2019
Filed:
Oct. 15, 2015
Electronics and Telecommunications Research Institute, Daejeon-si, KR;
Tae Whan Yoo, Daejeon-si, KR;
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daejeon, KR;
Abstract
A packet or passive optical network system with packet-based protection switching capabilities is provided. The system performs comprehensive protection switching against failures in all segments of a passive optical network (PON), thereby implementing lossless protection switching against failures in any segment in a packet network and against failures in any segment of the PON that consists of optical line terminals (OLTs), optical cables, optical network units (ONUs) of a PON system.
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