Patents by Inventor Chengzan ZHANG

Chengzan 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).

  • Device, terminal, method and storage medium for improving radio frequency link receiving and transmitting performance
    Patent number: 9692528
    Abstract: The present document discloses a device for improving receiving and transmitting performance of radio frequency link, comprising a radio frequency transmitting link, a radio frequency receiving link and a test link, wherein a first node is set between a power amplifier and a contact spring of first antenna in the radio frequency transmitting link, the first node is connected to a first on-off port of a radio frequency main switch in the test link; a second node is set between a receiving filter and a contact spring of second antenna in the radio frequency receiving link, the second node is connected to a third on-off port of the radio frequency main switch in the test link; and a second on-off port of the radio frequency main switch in the test link is connected to ground via a resistor.
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: June 27, 2017
    Assignee: ZTE CORPORATION
    Inventors: Zhenyu Wang, Chengzan Zhang, Yuqiang Lai
  • Device, Terminal, Method and Storage Medium for Improving Radio Frequency Link Receiving and Transmitting Performance
    Publication number: 20160323044
    Abstract: The present document discloses a device for improving receiving and transmitting performance of radio frequency link, comprising a radio frequency transmitting link, a radio frequency receiving link and a test link, wherein a first node is set between a power amplifier and a contact spring of first antenna in the radio frequency transmitting link, the first node is connected to a first on-off port of a radio frequency main switch in the test link; a second node is set between a receiving filter and a contact spring of second antenna in the radio frequency receiving link, the second node is connected to a third on-off port of the radio frequency main switch in the test link; and a second on-off port of the radio frequency main switch in the test link is connected to ground via a resistor.
    Type: Application
    Filed: July 16, 2014
    Publication date: November 3, 2016
    Applicant: ZTE CORPORATION
    Inventors: Zhenyu WANG, Chengzan ZHANG, Yuqiang LAI