Patents Assigned to RF Window Co. Ltd
  • Radio frequency repeater for cancelling feedback interference signal with built in antenna
    Patent number: 7831203
    Abstract: The present invention relates to a Radio Frequency Repeater to prevent oscillation with canceling a feedback interference signal between transmitting and receiving antenna with built-in transmitting and receiving antenna in wireless mobile communication repeater. A radio frequency repeater for canceling a feedback interference signal has a downlink path from a base station to a terminal and an uplink path from a terminal to a base station, and said downlink path and said uplink path is separated and combination by a duplexer.
    Type: Grant
    Filed: November 26, 2007
    Date of Patent: November 9, 2010
    Assignee: RF Window Co. Ltd
    Inventors: Seong Jae Lee, Mi Ja Lee, Chang Soon Kim, Hyeong Soo Choi