Patents by Inventor Kyu-Ouk LEE

Kyu-Ouk LEE 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).

  • OPTICAL NETWORK UNIT, POWER SOURCE EQUIPMENT AND POWER SUPPLY SYSTEM USING THE SAME
    Publication number: 20120144214
    Abstract: An optical network unit is provided that includes a communication detector configured to detect whether a communication is achieved between the ONU and at least one power source equipment (PSE), and a power controller configured to detect whether the PSE is powered and to control electrical power, which is provided from the PSE, based on at least one of the detection result about whether the communication is achieved between the ONU and the PSE and the detection result about the PSE is powered.
    Type: Application
    Filed: November 30, 2011
    Publication date: June 7, 2012
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Eun-Gu LEE, Jeong-Gook KWON, Kyu-Ouk LEE, Seung-Hyun CHO, Sang-Soo LEE