Patents by Inventor Zhanfu Li

Zhanfu Li 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 for reducing interference among antennas of multiple base stations
    Patent number: 9570801
    Abstract: A device for reducing interference among antennas of multiple base stations is provided, which includes an antenna module placed on a base station and configured to transmit and receive radio waves, a holding pole placed on the base station and configured to support the antenna module, a mounting bracket coupled to the antenna module and the holding pole, and a shielding apparatus placed on the holding pole or the antenna module and capable of being adjusted in directions. The device has a simple structure; it is easy to manufacture and install the device; it can be applied to the base station's antennas in network use. In addition, the device can efficiently increase isolation and reduce interferences among the antennas of the multiple base stations.
    Type: Grant
    Filed: August 29, 2013
    Date of Patent: February 14, 2017
    Assignee: ZTE Corporation
    Inventors: Lijuan Zhao, Nan Shen, Zhanfu Li, Xianming Zhao
  • Device for reducing interference among antennas of multiple base stations
    Publication number: 20150372379
    Abstract: A device for reducing interference among antennas of multiple base stations is provided, which includes an antenna module placed on a base station and configured to transmit and receive radio waves, a holding pole placed on the base station and configured to support the antenna module, a mounting bracket coupled to the antenna module and the holding pole, and a shielding apparatus placed on the holding pole or the antenna module and capable of being adjusted in directions. The device has a simple structure; it is easy to manufacture and install the device; it can be applied to the base station's antennas in network use. In addition, the device can efficiently increase isolation and reduce interferences among the antennas of the multiple base stations.
    Type: Application
    Filed: August 29, 2013
    Publication date: December 24, 2015
    Applicant: ZTE CORPORATION
    Inventors: Lijuan Zhao, Nan Shen, Zhanfu Li, Xianming Zhao