Patents by Inventor Keith R. Halphide

Keith R. Halphide 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).

  • Testing of termination circuits in SCSI bus controllers
    Patent number: 6973596
    Abstract: Embodiments are provided for testing termination circuits in SCSI bus controllers. In one embodiment, the termination circuits are tested by sending test data between respective SCSI controllers of the termination circuits for varying enabled/disabled statuses of the termination circuits.
    Type: Grant
    Filed: August 15, 2002
    Date of Patent: December 6, 2005
    Assignee: International Business Machines Corporation
    Inventors: Keith R. Halphide, Timothy B. Lund, Steven P. Norgaard
  • Testing of termination circuits in SCSI bus controllers
    Publication number: 20040034812
    Abstract: Embodiments are provided for testing termination circuits in SCSI bus controllers. In one embodiment, the termination circuits are tested by sending test data between respective SCSI controllers of the termination circuits for varying enabled/disabled statuses of the termination circuits.
    Type: Application
    Filed: August 15, 2002
    Publication date: February 19, 2004
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Keith R. Halphide, Timothy B. Lund, Steven P. Norgaard