Patents by Inventor Michael J. Campin

Michael J. Campin 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 circuit
    Patent number: 7756681
    Abstract: Embodiments of power supply circuits are disclosed in which a filter function is performed on a count value from a counter that counts the number of times of enabling of a power supply circuit.
    Type: Grant
    Filed: March 10, 2005
    Date of Patent: July 13, 2010
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: David K. Klaffenbach, Michael J. Campin, Algird M. Gudaitis, Chadwick W. Stryker, Jon S. Boehm
  • System and method for determining the power drawn from a switching power supply by counting the number of times a switching power supply switch is enabled
    Patent number: 7506180
    Abstract: Embodiments of a switching power supply circuit are disclosed wherein the number of times that a switch of the circuit is enabled is counted.
    Type: Grant
    Filed: March 10, 2005
    Date of Patent: March 17, 2009
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: David K. Klaffenbach, Michael J. Campin, Algird M. Gudaitis, Chadwick W. Stryker