Patents by Inventor Mao-Chuan Chang

Mao-Chuan Chang 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 switching circuit
    Patent number: 7602084
    Abstract: A power switching circuit is disclosed. The power switching circuit includes an output switch coupled to a power supply, a control circuit controlling the first switch to output the power supply according to a voltage of a node, and a user switch for receiving a switch signal. Two clock circuits control the voltage of the node according to the period of the switch signal.
    Type: Grant
    Filed: January 31, 2008
    Date of Patent: October 13, 2009
    Assignee: AU Optronics Corporation
    Inventors: Chien-Szu Chiu, Mao-Chuan Chang
  • Power switching circuit
    Publication number: 20080179964
    Abstract: A power switching circuit is disclosed. The power switching circuit includes an output switch coupled to a power supply, a control circuit controlling the first switch to output the power supply according to a voltage of a node, and a user switch for receiving a switch signal. Two clock circuits control the voltage of the node according to the period of the switch signal.
    Type: Application
    Filed: January 31, 2008
    Publication date: July 31, 2008
    Inventors: Chien-Szu Chiu, Mao-Chuan Chang