Patents by Inventor Caiqiang Zhou

Caiqiang Zhou 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).

  • Current sense apparatus and method
    Patent number: 11243233
    Abstract: A system includes a power regulator coupled between a coil and a battery, wherein the power regulator is configured as a linear regulator when power is provided from the coil to the battery, and a current sense apparatus having two inputs coupled to an input and an output of the power regulator, respectively, wherein the current sense apparatus is configured to sense a bidirectional current flowing through the power regulator.
    Type: Grant
    Filed: January 12, 2021
    Date of Patent: February 8, 2022
    Assignee: NuVolta Technologies (Hefei) Co., Ltd.
    Inventors: Caiqiang Zhou, Sichao Liu
  • Current Sense Apparatus and Method
    Publication number: 20210132121
    Abstract: A system includes a power regulator coupled between a coil and a battery, wherein the power regulator is configured as a linear regulator when power is provided from the coil to the battery, and a current sense apparatus having two inputs coupled to an input and an output of the power regulator, respectively, wherein the current sense apparatus is configured to sense a bidirectional current flowing through the power regulator.
    Type: Application
    Filed: January 12, 2021
    Publication date: May 6, 2021
    Inventors: Caiqiang Zhou, Sichao Liu
  • Current sense apparatus and method
    Patent number: 10962574
    Abstract: An apparatus includes a power switch configured to conduct a dc or ac current, a sense switch having a first drain/source terminal and a gate connected to a first drain/source terminal and a gate of the power switch respectively, an amplifier having a first input coupled to a second drain/source terminal of the power switch and a second input coupled to a second drain/source terminal of the sense switch and a first current sense processing switch having a gate connected to an output of the amplifier.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: March 30, 2021
    Assignee: NuVolta Technologies (Hefei) Co., Ltd.
    Inventors: Caiqiang Zhou, Sichao Liu
  • Current Sense Apparatus and Method
    Publication number: 20200379018
    Abstract: An apparatus includes a power switch configured to conduct a dc or ac current, a sense switch having a first drain/source terminal and a gate connected to a first drain/source terminal and a gate of the power switch respectively, an amplifier having a first input coupled to a second drain/source terminal of the power switch and a second input coupled to a second drain/source terminal of the sense switch and a first current sense processing switch having a gate connected to an output of the amplifier.
    Type: Application
    Filed: June 17, 2019
    Publication date: December 3, 2020
    Inventors: Caiqiang Zhou, Sichao Liu