Patents by Inventor Joshua R. Engel

Joshua R. Engel 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).

  • Device emulation in programmable circuits
    Patent number: 7337104
    Abstract: Device emulation implemented in programmable circuits. In one aspect, an interface for providing control of a hardware device includes functional code embedded in circuitry of the interface. Emulator code is embedded in programmable circuitry of the interface to emulate the hardware device during testing of the functional code and the interface. Another aspect diagnoses errors in a system having an interface and a connected hardware device, using emulator code embedded in a programmable circuit of the interface.
    Type: Grant
    Filed: February 3, 2005
    Date of Patent: February 26, 2008
    Assignee: International Business Machines Corporation
    Inventors: Joshua R. Engel, Stephen D. Hanna, John T. Varga