Patents by Inventor Dirk Fielder

Dirk Fielder 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 management system
    Patent number: 8125188
    Abstract: A power management system for supplying power to an output circuit comprising a plurality of rechargeable batteries, a conversion means for converting a supply voltage to a battery voltage to enable charging of one or more of the rechargeable batteries and switch means to enable a selected battery of the plurality of rechargeable batteries to be connected to an output circuit to enable the selected battery to be discharged through the output circuit.
    Type: Grant
    Filed: April 8, 2004
    Date of Patent: February 28, 2012
    Assignee: Cochlear Limited
    Inventors: Walter Döll, Dirk Fielder, Markus Haller