Patents by Inventor Jeon-Il Choi

Jeon-Il 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).

  • Method and system for preventing use of stolen terminal through forced location re-registration
    Patent number: 8817700
    Abstract: Provided are a method and system for preventing the use of a stolen terminal when the stolen terminal registers its location again by making it inevitable for the stolen terminal to register its location again to be used. The method includes: receiving information that a user terminal was stolen; making a mobile application part (MAP) cancel location request to a mobile switching center (MSC) or a serving general packet radio service support node (SGSN) after receiving the information that the user terminal was stolen; and checking whether the user terminal is a stolen terminal when receiving a location registration approval request from the user terminal after performing a MAP cancel location process by deleting subscriber information of the user terminal from the MSC or the SGSN in response to the MAP cancel location request.
    Type: Grant
    Filed: December 17, 2008
    Date of Patent: August 26, 2014
    Assignee: KT Corporation
    Inventors: Chong-Youn Choe, Jeon-Il Choi, Nak-Po Kim
  • METHOD AND SYSTEM FOR PREVENTING USE OF STOLEN TERMINAL THROUGH FORCED LOCATION RE-REGISTRATION
    Publication number: 20110122813
    Abstract: Provided are a method and system for preventing the use of a stolen terminal when the stolen terminal registers its location again by making it inevitable for the stolen terminal to register its location again to be used. The method includes: receiving information that a user terminal was stolen; making a mobile application part (MAP) cancel location request to a mobile switching center (MSC) or a serving general packet radio service support node (SGSN) after receiving the information that the user terminal was stolen; and checking whether the user terminal is a stolen terminal when receiving a location registration approval request from the user terminal after performing a MAP cancel location process by deleting subscriber information of the user terminal from the MSC or the SGSN in response to the MAP cancel location request.
    Type: Application
    Filed: December 17, 2008
    Publication date: May 26, 2011
    Inventors: Chong-Youn Choe, Jeon-Il Choi, Nak-Po Kim