Patents by Inventor Chien-Chung TSAN

Chien-Chung TSAN 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).

  • Control module of power calibration circuit
    Patent number: 11802893
    Abstract: A control module of a power calibration circuit comprises a control unit, a main voltage feedback unit and an auxiliary voltage feedback unit, the control unit is connected to at least one power switch, the main voltage feedback unit is connected to an output terminal of the power calibration circuit and the control unit, the auxiliary voltage feedback unit is connected to the output terminal and the control unit, the auxiliary voltage feedback unit comprises a voltage dividing circuit connected to the output terminal and having at least one voltage dividing node, and a voltage limiting circuit connected to the voltage dividing node and the control unit, the voltage limiting circuit has a first state when a voltage of the voltage dividing node is not higher than a reference voltage, and a second state when a voltage of the voltage dividing node is higher than the reference voltage.
    Type: Grant
    Filed: November 15, 2021
    Date of Patent: October 31, 2023
    Assignee: SEA SONIC ELECTRONICS CO., LTD.
    Inventors: Sheng-Chien Chou, Chien-Chung Tsan
  • CONTROL MODULE OF POWER CALIBRATION CIRCUIT
    Publication number: 20230152357
    Abstract: A control module of a power calibration circuit comprises a control unit, a main voltage feedback unit and an auxiliary voltage feedback unit, the control unit is connected to at least one power switch, the main voltage feedback unit is connected to an output terminal of the power calibration circuit and the control unit, the auxiliary voltage feedback unit is connected to the output terminal and the control unit, the auxiliary voltage feedback unit comprises a voltage dividing circuit connected to the output terminal and having at least one voltage dividing node, and a voltage limiting circuit connected to the voltage dividing node and the control unit, the voltage limiting circuit has a first state when a voltage of the voltage dividing node is not higher than a reference voltage, and a second state when a voltage of the voltage dividing node is higher than the reference voltage.
    Type: Application
    Filed: November 15, 2021
    Publication date: May 18, 2023
    Inventors: Sheng-Chien CHOU, Chien-Chung TSAN