Patents by Inventor Jana L. Richards

Jana L. Richards 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).

  • Patent number: 7590819
    Abstract: A memory management unit (MMU) for a device controller that provides enhanced functionality while maintaining a small physical size or footprint, such that the die size required to manufacture the memory management unit circuitry within the device controller integrated circuit device remains small notwithstanding such enhanced functionality. This compact/tiny MMU provides virtual memory addressing and memory error detection functionality while maintaining a small physical die size. The small physical die size with enhanced functionality is obtained by improvements in translating virtual to physical addressing without use of extensive translation tables, which themselves would otherwise consume memory and associated die real estate. In addition, the MMU allows a firmware image containing code and data segments to be run-time swapped between internal shared context RAM and external memory.
    Type: Grant
    Filed: May 9, 2005
    Date of Patent: September 15, 2009
    Assignee: LSI Logic Corporation
    Inventors: Stephen B. Johnson, Brad D. Besmer, Timothy E. Hoglund, Jana L. Richards
  • Patent number: 6581194
    Abstract: A method for simulating verification of an IC design. The method generally comprises the steps of (A) generating one or more transactions of a simulation and (B) testing the one or more transactions and possibly generating an exception. The exception may be configured to initiate a modification of step (A).
    Type: Grant
    Filed: June 15, 2001
    Date of Patent: June 17, 2003
    Assignee: LSI Logic Corporation
    Inventors: David W. Carpenter, Jana L. Richards