Patents by Inventor Robert Bernard Pearson

Robert Bernard Pearson 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).

  • Methods for performing diagnostic functions in a multiprocessor data processing system having a serial diagnostic bus
    Patent number: 6202097
    Abstract: Apparatus and method for use in a multiprocessor system (10) having a plurality of processing nodes (P0-P3) each of which includes a local data processor (22a, 28a). The apparatus includes an interface (42) to a controller (14), the interface including a register (48) for storing a function received from the controller, such as a diagnostic function. The interface further includes circuitry (50) for providing the diagnostic function as a packet to an input terminal of a bit serial communication bus (40). The communication bus is threaded through each of the plurality of processing nodes and has an output terminal that terminates at the interface.
    Type: Grant
    Filed: January 17, 1995
    Date of Patent: March 13, 2001
    Assignee: International Business Machines Corporation
    Inventors: David James Foster, Armando Garcia, Robert Bernard Pearson