Patents by Inventor Qingxin Chu

Qingxin Chu 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).

  • Duplexer and communications system having duplexer
    Patent number: 9929713
    Abstract: The present disclosure is applicable to the field of communications device technologies is directed to a duplexer and a communications system having the duplexer. The duplexer includes a body, where an input port and an output port are disposed on the body, a cavity is disposed on the body, a dielectric resonator is disposed in the cavity, the input port is connected to an input-end coupling plate disposed opposite to the dielectric resonator, the output port is connected to an output-end coupling plate disposed opposite to the dielectric resonator, a tuning screw is connected to the body, and a central axis of the dielectric resonator misaligns with a central axis of the cavity. The communications system includes the duplexer.
    Type: Grant
    Filed: June 15, 2016
    Date of Patent: March 27, 2018
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Sai-Wai Wong, Qingxin Chu, Yanzhao Zhou
  • Duplexer and Communications System Having Duplexer
    Publication number: 20160301378
    Abstract: The present disclosure is applicable to the field of communications device technologies is directed to a duplexer and a communications system having the duplexer. The duplexer includes a body, where an input port and an output port are disposed on the body, a cavity is disposed on the body, a dielectric resonator is disposed in the cavity, the input port is connected to an input-end coupling plate disposed opposite to the dielectric resonator, the output port is connected to an output-end coupling plate disposed opposite to the dielectric resonator, a tuning screw is connected to the body, and a central axis of the dielectric resonator misaligns with a central axis of the cavity. The communications system includes the duplexer.
    Type: Application
    Filed: June 15, 2016
    Publication date: October 13, 2016
    Inventors: Shiwei Wang, Qingxin Chu, Yanzhao Zhou