Patents by Inventor Alex N. Pappas

Alex N. Pappas 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).

  • Installation of processor and power supply modules in a multiprocessor system
    Patent number: 6289467
    Abstract: The present invention discloses a method and apparatus for checking an installation of a plurality of power supply modules in a multiprocessor system having a plurality of processor modules. A detector detects if one of the processor modules is present. A voltage monitor monitors the voltage level of one of the power supply modules which corresponds to the processor module. A control circuit generates a control signal to turn off the power if the processor module is present and the voltage level is outside an operating range.
    Type: Grant
    Filed: May 8, 1998
    Date of Patent: September 11, 2001
    Assignee: Sun Microsystems, Inc.
    Inventors: Quentin J. Lewis, James F. Mara, Alex N. Pappas