Patents by Inventor Hyun-Yung Cha

Hyun-Yung Cha 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 of registration request of a mobile switching center
    Patent number: 6418315
    Abstract: In a mobile telecommunication system that includes a base station providing communication service to a plurality of mobile stations moving within service coverage areas and a mobile switching center (MSC) connecting the base station to a public switched telephone network (PSTN), a method for the mobile switching center to send a registration request order message to the base station requesting one of the plurality of mobile stations to register. The registration request order message includes message type information, cell identifier list information, mobile identity information, slot cycle index information and signaling type information.
    Type: Grant
    Filed: May 14, 1999
    Date of Patent: July 9, 2002
    Assignee: Samsung Electronics, Co., Ltd.
    Inventors: Bong-sik Seo, Hyun-yung Cha
  • Method for processing of location registration of a mobile phone using connection-oriented method within a call control processor in a personal communication services (PCS) system
    Patent number: 6173182
    Abstract: Location registration processing of a mobile station using the connection-oriented method of the TSB-80 standard of application interface between a base station controller (BSC) and a mobile switching center (MSC) in a personal communication services (PCS) system.
    Type: Grant
    Filed: August 13, 1998
    Date of Patent: January 9, 2001
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Hyun-Yung Cha