Patents by Inventor Phakphum Promsopha

Phakphum Promsopha 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).

  • Overvoltage projection circuit
    Publication number: 20050141158
    Abstract: An overvoltage protection circuit for use with a power supply is proposed, wherein the power supply includes a voltage supply circuit and a diode having a first electrode and a second electrode. The overvoltage protection circuit is used to stop or reduce the output voltage of the voltage supply circuit when the output voltage of the voltage supply circuit exceeds its maximum output voltage rating.
    Type: Application
    Filed: June 17, 2004
    Publication date: June 30, 2005
    Inventors: Sakda Sae-Ueng, Phakphum Promsopha, Ming Xu