Patents by Inventor Douglas C. Paffel

Douglas C. Paffel 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: 5442475
    Abstract: An optical clock distribution method and apparatus is disclosed that minimizes clock skew in the distribution of clock signals to logic assemblies in a computer system. The logic assemblies convert the optical signals into equivalent electrical signals.
    Type: Grant
    Filed: April 21, 1994
    Date of Patent: August 15, 1995
    Assignee: Cray Research, Inc.
    Inventors: Marvin D. Bausman, Steven S. Chen, Edward C. Priest, Douglas C. Paffel
  • Patent number: 5251097
    Abstract: The present invention includes methods and apparatus for creating a packaging architecture for a highly parallel multiprocessor system. The packaging architecture of the present invention can provide for distribution of power, cooling and interconnections at all levels of components in a highly parallel multiprocessor system, while maximizing the number of circuits per unit time within certain operational constraints of such a multiprocessor system.
    Type: Grant
    Filed: June 11, 1990
    Date of Patent: October 5, 1993
    Assignee: Supercomputer Systems Limited Partnership
    Inventors: Frederick J. Simmons, Steve S. Chen, Greg W. Pautsch, Michael H. Rabska, Dennis F. Girling, Douglas C. Paffel, Dan L. Massopust, Lisa Heid, Felix R. Lesmerises, Christopher J. Sperry, Edward C. Priest