Patents by Inventor David Loren Heckmann

David Loren Heckmann 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).

  • Transmission line bounding models
    Patent number: 7010768
    Abstract: A method, apparatus, system, and signal-bearing medium that in an embodiment select a subset of transmission line models based on bounding electrical criteria. The bounding electrical criteria may include combinations of maximum and minimum values and in an embodiment may also include nominal values. Models that meet the bounding electrical criteria may be used in modeling the transmission line while models that do not meet the bounding electrical criteria are not used.
    Type: Grant
    Filed: June 17, 2003
    Date of Patent: March 7, 2006
    Assignee: International Business Machines Corporation
    Inventors: Paul Eric Dahlen, Roger John Gravrok, David Loren Heckmann, Mark Owen Maxson
  • Transmission line bounding models
    Publication number: 20040261045
    Abstract: A method, apparatus, system, and signal-bearing medium that in an embodiment select a subset of transmission line models based on bounding electrical criteria. The bounding electrical criteria may include combinations of maximum and minimum values and in an embodiment may also include nominal values. Models that meet the bounding electrical criteria may be used in modeling the transmission line while models that do not meet the bounding electrical criteria are not used.
    Type: Application
    Filed: June 17, 2003
    Publication date: December 23, 2004
    Applicant: INTERNATIONAL BUSSINESS MACHINES CORPORATION
    Inventors: Paul Eric Dahlen, Roger John Gravrok, David Loren Heckmann, Mark Owen Maxson