Patents by Inventor Ching-Kuo Chen

Ching-Kuo Chen 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 supply device
    Patent number: 10425003
    Abstract: A power supply device is provided. The power supply device includes a power converter and a control circuit. The control circuit is coupled to a power converter. The power converter is configured to convert input power to provide output power. The control circuit is configured to receive a control signal and provide a dummy current according to the control signal and the output power, so that the sum of a current value of the dummy current and a current value of the output power is greater than or equal to a threshold value. The power converter can accordingly convert the input power in a soft switching manner.
    Type: Grant
    Filed: January 16, 2019
    Date of Patent: September 24, 2019
    Assignee: Chicony Power Techology Co., Ltd.
    Inventors: Wen-Nan Huang, Ching-Kuo Chen, Hsiao-Chih Ku, Wan-Ching Lee