Patents by Inventor Hyun-Goo Ji

Hyun-Goo Ji 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: 8140120
    Abstract: An apparatus and method for providing a network service in a portable communication system are provided. A portable terminal for providing a network service includes at least two Subscriber Identity Module (SIM) cards for supporting networks different from each other, a network performance testing unit for measuring performance of network servers supported by the SIM cards, and a controller for identifying the performance of the network servers measured by the network performance testing unit and for selecting a SIM card supporting a network server having better performance.
    Type: Grant
    Filed: May 7, 2009
    Date of Patent: March 20, 2012
    Assignee: Samsung Electronics Co., Ltd
    Inventor: Hyun-Goo Ji
  • Publication number: 20090325572
    Abstract: An apparatus and method for providing a network service in a portable communication system are provided. A portable terminal for providing a network service includes at least two Subscriber Identity Module (SIM) cards for supporting networks different from each other, a network performance testing unit for measuring performance of network servers supported by the SIM cards, and a controller for identifying the performance of the network servers measured by the network performance testing unit and for selecting a SIM card supporting a network server having better performance.
    Type: Application
    Filed: May 7, 2009
    Publication date: December 31, 2009
    Applicant: SAMSUNG ELECTRONICS CO. LTD.
    Inventor: Hyun-Goo JI