Patents by Inventor Andrew J. Bellis

Andrew J. Bellis 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).

  • Apparatus and methods for shared memory interfaces in programmable logic devices
    Patent number: 6828822
    Abstract: A programmable logic device (PLD) includes a memory controller. The memory controller includes a first controller that communicates via a shared interface with a first memory external to the PLD. The memory controller also includes a second controller that communicates via the shared interface with a second memory external to the PLD. The PLD further includes an arbitration circuitry. The arbitration circuitry is configured to arbitrate ownership of the shared interface by the first and second controllers.
    Type: Grant
    Filed: October 3, 2003
    Date of Patent: December 7, 2004
    Assignee: Altera Corporation
    Inventors: Andrew J. Bellis, Andrew Draper, Kulwinder Dhanoa