Patents by Inventor Je-Hyun Jun

Je-Hyun Jun 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 for controlling direct call between mobile subscriber terminals in mobile communication system
    Patent number: 6236649
    Abstract: A method for controlling a direct call between mobile subscriber terminals in a mobile communication system includes the steps of: successively transmitting paging packets, from an originating mobile subscriber terminal, for searching for a terminating mobile subscriber terminal twice in response to a call execution command; and detecting synchronization by a firstly received paging packet to generate a hopping frequency, initialize a receiver and to wait for a paging packet of a hopping frequency, and transmitting a paging acknowledge packet to an originating mobile subscriber terminal in synchronization with a secondly received paging packet.
    Type: Grant
    Filed: June 25, 1998
    Date of Patent: May 22, 2001
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Je-Hyun Jun