Patents by Inventor Michael R. Dumont

Michael R. Dumont 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 apparatus
    Patent number: 5825642
    Abstract: A power supply apparatus includes a housing containing therein a component which generates heat when operating, a fan for cooling the heat-generating component, and a driving unit for driving the fan. The housing also contains therein a temperature detector for detecting the temperature in the housing and providing a detected-temperature representing signal. In response to the detected-temperature representing signal, a control unit provides the driving unit with a control signal to change the rotation speed of the fan.
    Type: Grant
    Filed: May 27, 1997
    Date of Patent: October 20, 1998
    Assignees: Sansha Electric Manufacuring Co. Limited, Thermal Dynamics Corporation
    Inventors: Hideo Ishii, Haruo Moriguchi, Nathaniel S. Hansen, Michael R. Dumont