Patents by Inventor Due-Kwang Jung

Due-Kwang Jung 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).

  • Inter-network optical fiber sharing system
    Publication number: 20060250681
    Abstract: Disclosed is an inter-network optical fiber system comprising: a first optical switching part connected to a first feeder fiber, to connect a first central office to a second feeder fiber of a second central office through a second optical switching part when no upstream optical signal having a first upstream wavelength bandwidth is received from the first feeder fiber, and the second optical switching part connected to the second feeder fiber connects the second central office to the first feeder fiber through the first optical switching part when no upstream optical signal having a second upstream wavelength bandwidth is received from the second feeder fiber.
    Type: Application
    Filed: April 20, 2006
    Publication date: November 9, 2006
    Inventors: Sung-Bum Park, Due-Kwang Jung, Seong-Taek Hwang