Patents by Inventor Tom P. Sterk

Tom P. Sterk 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).

  • Method and apparatus for active noise reduction in fans
    Patent number: 7696714
    Abstract: The present invention provides a method and apparatus for providing power to a fan motor. One embodiment of the apparatus includes a boost regulator configured to provide an output current to a fan motor using an input current provided at an input voltage by a power supply. The fan motor is configured to draw the output current at a first frequency and the input current is constant within a first selected tolerance over a time scale longer than indicated by the first frequency.
    Type: Grant
    Filed: April 19, 2007
    Date of Patent: April 13, 2010
    Assignee: Alcatel-Lucent USA Inc.
    Inventor: Tom P. Sterk
  • METHOD AND APPARATUS FOR ACTIVE NOISE REDUCTION IN FANS
    Publication number: 20080260361
    Abstract: The present invention provides a method and apparatus for providing power to a fan motor. One embodiment of the apparatus includes a boost regulator configured to provide an output current to a fan motor using an input current provided at an input voltage by a power supply. The fan motor is configured to draw the output current at a first frequency and the input current is constant within a first selected tolerance over a time scale longer than indicated by the first frequency.
    Type: Application
    Filed: April 19, 2007
    Publication date: October 23, 2008
    Inventor: TOM P. STERK