Patents by Inventor Zelun Long

Zelun Long 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).

  • PHASE SHIFTER ASSEMBLY AND BASE STATION ANTENNA
    Publication number: 20230127406
    Abstract: The present disclosure relates to a phase shifter assembly and a base station antenna, wherein the phase shifter assembly includes: a first printed circuit board; a first wiper arm, which is rotatably coupled to the first printed circuit board; a second printed circuit board; and a second wiper arm, which is rotatably coupled to the second printed circuit board; wherein the first printed circuit board and the second printed circuit board are arranged at a non-zero angle.
    Type: Application
    Filed: August 29, 2022
    Publication date: April 27, 2023
    Inventors: Yabing Liu, YueMin Li, Junfeng Yu, Long Shan, Yan Wang, Zelun Long