Patents by Inventor Kwang Ok Chung

Kwang Ok Chung has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • METHOD AND APPARATUS FOR DETECTING AND RECOVERING ROGUE ONU
    Publication number: 20240196119
    Abstract: A rogue ONU detection and recovery method in a PON network includes steps of: monitoring upstream signals transmitted from a plurality of ONUs to an OLT to acquire LOS signal information and FEC error information; sensing an operation of the rogue ONU in the PON network on the basis of the LOS signal information and the FEC error information; and deactivating at least one of the plurality of ONUs and recovering the rogue ONU to a normal ONU according to whether or not the operation of the rogue ONU is released.
    Type: Application
    Filed: August 9, 2023
    Publication date: June 13, 2024
    Inventors: Kwang Ok KIM, Kyeong Hwan DOO, Hwan Seok CHUNG
  • HYDRAULIC TURBINE AND HYDROELECTRIC STRUCTURE USING THE SAME
    Publication number: 20130195623
    Abstract: The present invention relates to a hydraulic turbine for generating hydraulic power 100 comprising a rotating shaft 110 which is formed in a vertical direction; and a plurality of rotating wings 120 which is installed in a radial direction centering on the rotating shaft 110 to thereby efficiently convert hydraulic power from river into electric energy without building a dam.
    Type: Application
    Filed: May 20, 2011
    Publication date: August 1, 2013
    Inventors: Kwang Ok Chung, Hae Kwon Jung, Jun Hong Jung