Patents by Inventor Anqiao Hu

Anqiao Hu 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).

  • POWER SIDE-CHANNEL ATTACK DETECTION THROUGH BATTERY IMPEDANCE MONITORING
    Publication number: 20230102249
    Abstract: A method is described including selecting an impedance threshold for a battery in electrical communication with an integrated circuit; acquiring an impedance of the battery; calculating an average impedance of the battery for a period of time; determining whether the integrated circuit is a victim of a power side channel attack if the average impedance of the battery for the period of time exceeds the impedance threshold; and responding to the power side channel attack.
    Type: Application
    Filed: September 21, 2022
    Publication date: March 30, 2023
    Inventor: Anqiao Hu
  • Methods and apparatuses for multiple-mode low drop out regulators
    Patent number: 10866606
    Abstract: Aspects of the present disclosure generally relate to multi-mode voltage regulators. For example, the regulator may include a first voltage regulator configured to operate in a first power mode. The first voltage regulator is further configured to selectively adjust an output voltage using one of a voltage output of a replica pass transistor of the first voltage regulator or a voltage output of the pass transistor of the first voltage regulator based on a transition from a second power mode to the first power mode.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: December 15, 2020
    Assignee: QUALCOMM Incorporated
    Inventor: Anqiao Hu
  • GYRATOR-BASED LOW-DROPOUT (LDO) REGULATOR
    Publication number: 20200081467
    Abstract: Certain aspects of the present disclosure generally relate to a regulator circuit. For example, the regulator circuit may include a first current source coupled between a voltage rail and an output of the regulator circuit. The regulator circuit may also include a tank circuit coupled between the output of regulator circuit and a reference potential node, the tank circuit comprising a gyrator-based inductive element and a capacitive element.
    Type: Application
    Filed: September 7, 2018
    Publication date: March 12, 2020
    Inventors: Anqiao HU, Michael John STORY
  • METHODS AND APPARATUSES FOR MULTIPLE-MODE LOW DROP OUT REGULATORS
    Publication number: 20190302819
    Abstract: Aspects of the present disclosure generally relate to multi-mode voltage regulators. For example, the regulator may include a first voltage regulator configured to operate in a first power mode. The first voltage regulator is further configured to selectively adjust an output voltage using one of a voltage output of a replica pass transistor of the first voltage regulator or a voltage output of the pass transistor of the first voltage regulator based on a transition from a second power mode to the first power mode.
    Type: Application
    Filed: March 28, 2018
    Publication date: October 3, 2019
    Inventor: Anqiao Hu