Patents by Inventor Junhua Ge

Junhua Ge 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).

  • DC offset cancellation circuit and DC offset cancellation method
    Patent number: 11264956
    Abstract: A DC offset cancellation circuit and a DC offset cancellation method are disclosed. The DC offset cancellation circuit comprises a high-speed amplifier, a voltage comparator, a microprocessor, and a digital-to-analog converter. The high-speed amplifier comprises an input stage with a DC offset cancellation function, an amplification stage, and an output buffer stage. The voltage comparator is connected to the output buffer stage. The microprocessor is connected to the voltage comparator. The digital-to-analog converter is connected to the microprocessor. The digital-to-analog converter is connected to the input stage.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: March 1, 2022
    Assignee: XIAMEN UX HIGH-SPEED IC CO., LTD.
    Inventors: Kexun Zhang, Junhua Ge, Jie Zhou, Jianhua Pan
  • Kegel Trainer
    Publication number: 20210346758
    Abstract: A Kegel trainer includes a frame, two tensioning plates provided at an end of the frame, and a rubber cover sleeved outside the frame and the two tensioning plates. The tensioning plates are provided with arc-shaped warped portions. The two tensioning plates are provided therebetween with a separating chamber. The separating chamber is provided therein with a slidable adjusting mechanism. The adjusting mechanism includes a retaining plate assembly. The retaining plate assembly is provided with a fixed hollow tube assembly. The fixed hollow tube assembly is provided with a slide hole. The slide hole is provided therein with a movable ejector pin. The ejector pin is provided with a compressed spring. The frame is provided with a rack, a battery, a vibration machine, and a circuit board. The circuit board is provided with a switch, a charging port, and an indicator light.
    Type: Application
    Filed: June 15, 2020
    Publication date: November 11, 2021
    Inventor: Junhua Ge
  • DC OFFSET CANCELLATION CIRCUIT AND DC OFFSET CANCELLATION METHOD
    Publication number: 20200403583
    Abstract: A DC offset cancellation circuit and a DC offset cancellation method are disclosed. The DC offset cancellation circuit comprises a high-speed amplifier, a voltage comparator, a microprocessor, and a digital-to-analog converter. The high-speed amplifier comprises an input stage with a DC offset cancellation function, an amplification stage, and an output buffer stage. The voltage comparator is connected to the output buffer stage. The microprocessor is connected to the voltage comparator. The digital-to-analog converter is connected to the microprocessor. The digital-to-analog converter is connected to the input stage.
    Type: Application
    Filed: March 7, 2018
    Publication date: December 24, 2020
    Inventors: Kexun Zhang, Junhua Ge, Jie Zhou, Jianhua Pan
  • Kegel trainer
    Patent number: D912740
    Type: Grant
    Filed: June 9, 2020
    Date of Patent: March 9, 2021
    Inventor: Junhua Ge