Patents by Inventor David A Duque

David A Duque 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).

  • Time division multiplexing a DC-to-DC voltage converter
    Patent number: 8247999
    Abstract: An apparatus includes a DC-to-DC voltage converter. The DC-to-DC voltage converter has a plurality of pairs of outputs and is configured to apply voltages across the pairs of outputs in a time division multiplexed manner.
    Type: Grant
    Filed: January 22, 2008
    Date of Patent: August 21, 2012
    Assignee: Alcatel Lucent
    Inventors: Gang Chen, David A Duque, Roland Ryf