Patents by Inventor Graham McKenzie

Graham McKenzie 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).

  • Programmable logic device and method of testing a programmable logic device
    Patent number: 7089140
    Abstract: A programmable logic device includes a functional block, which does not form part of an embedded processor, which can perform a testing function on other functional blocks of the programmable logic device. Thus, the test block can read stored data values from registers in the other functional blocks of the programmable logic device, or can read signal values at points in the other functional blocks of the programmable logic device, or can insert specific data values in registers in the other functional blocks of the programmable logic device.
    Type: Grant
    Filed: August 20, 2004
    Date of Patent: August 8, 2006
    Assignee: Altera Corporation
    Inventors: Graham McKenzie, Joel A. Seely