Patents by Inventor Seongsoo Bae

Seongsoo Bae 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).

  • Device and method for concurrent call avoidance
    Patent number: 9750073
    Abstract: Disclosed herein are a terminal device including: a state determining unit to determine a connection state of a voice call or a data call at a specific time prior to a transfer period of a keep-alive message designated to a specific application; and an application interworking unit to transfer the keep-alive message through the data call according to the determined connection state of the voice call or the data call to notify of a driving state of the specific application.
    Type: Grant
    Filed: March 25, 2014
    Date of Patent: August 29, 2017
    Assignee: SK TELECOM CO., LTD.
    Inventors: Namgun Kim, Jintae Choi, Changmoon Han, Seongsoo Bae
  • Method and system for preventing call drop by limiting search time of 1x system during 1x EV-DO system traffic state
    Patent number: 7664069
    Abstract: Disclosed is a method and a system for preventing a call drop by limiting a search time for a 1X system during a 1xEV-DO system traffic state.
    Type: Grant
    Filed: December 12, 2003
    Date of Patent: February 16, 2010
    Assignee: SK Telecom Co., Ltd.
    Inventors: Seongsoo Bae, Seongwoo Kim
  • Method and system for preventing call drop by limiting search time of 1x system during 1x ev-do system traffic state
    Publication number: 20060153139
    Abstract: Disclosed is a method and a system for preventing a call drop by limiting a search time for a 1X system during a 1xEV-DO system traffic state.
    Type: Application
    Filed: December 12, 2003
    Publication date: July 13, 2006
    Inventors: Seongsoo Bae, Seongwoo Kim