Patents by Inventor Xiaoquin Zhang

Xiaoquin Zhang 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).

  • Directional Coupler and Method for Manufacturing the Same as Well as Radio Transmitter and Radio Device
    Publication number: 20200203795
    Abstract: A directional coupler and a method for manufacturing the same are disclosed. According to an embodiment, the directional coupler comprises a first transmission line configured to receive an input signal. The directional coupler further comprises a second transmission line that can be coupled to the first transmission line by electromagnetic coupling to output a coupled signal. The first transmission line is further configured to act as a quarter-wave impedance transformer. A radio transmitter comprising the directional coupler and a radio device comprising the radio transmitter are also disclosed.
    Type: Application
    Filed: September 14, 2017
    Publication date: June 25, 2020
    Inventors: Xiaoquin Zhang, Yilin Chen, Jun Ding, Xiaolong Pan