Patents by Inventor Sun-San CHOI

Sun-San CHOI 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).

  • Patent number: 8830817
    Abstract: The present invention is to provide a method and apparatus for multiplexing a sync node and a gateway of a wireless sensor network, which is capable of allowing communication of the wireless sensor network to be normally performed by multiplexing paths of the sync node and the gateway of the wireless sensor network even in the case where any one of the sync node and the gateway abnormally operates and by transmitting upstream data and downstream data through a path selected among the duplexed paths according to characteristics of the wireless sensor network.
    Type: Grant
    Filed: December 6, 2011
    Date of Patent: September 9, 2014
    Assignee: Gangneung-Wonju National University Industry Academy Cooperation Group
    Inventors: Sun-San Choi, Tae-Yun Chung, Lae-Jeong Park
  • Publication number: 20120147731
    Abstract: The present invention is to provide a method and apparatus for multiplexing a sync node and a gateway of a wireless sensor network, which is capable of allowing communication of the wireless sensor network to be normally performed by multiplexing paths of the sync node and the gateway of the wireless sensor network even in the case where any one of the sync node and the gateway abnormally operates and by transmitting upstream data and downstream data through a path selected among the duplexed paths according to characteristics of the wireless sensor network.
    Type: Application
    Filed: December 6, 2011
    Publication date: June 14, 2012
    Applicant: GANGNEUNG-WONJU NATIONAL UNIVERSITY INDUSTRY ACADEMY COOPERATION GROUP
    Inventors: Sun-San CHOI, Tae-Yun CHUNG, Lae-Jeong PARK