Patents by Inventor James Elkins McIlvain

James Elkins McIlvain 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).

  • Logical positioning within a storage device by a storage controller
    Patent number: 6055602
    Abstract: A logical positioning mechanism is provided within a storage controller, thus enabling the storage controller to determine which logical position in a storage device is to be accessed next. The logical positioning mechanism includes one or more logical position indicators defined, maintained and controlled by the storage controller. The logical position indicators include the address of the logical position to be next accessed and are incremented and decremented by the storage controller depending upon the operation accessing the logical position.
    Type: Grant
    Filed: June 3, 1998
    Date of Patent: April 25, 2000
    Assignee: International Business Machines Corporation
    Inventors: James Elkins McIlvain, William Chambers Shepard
  • Logical positioning within a storage device by a storage controller
    Patent number: 5765200
    Abstract: A logical positioning mechanism is provided within a storage controller, thus enabling the storage controller to determine which logical position in a storage device is to be accessed next. The logical positioning mechanism includes one or more logical position indicators defined, maintained and controlled by the storage controller. The logical position indicators include the address of the logical position to be next accessed and are incremented and decremented by the storage controller depending upon the operation accessing the logical position.
    Type: Grant
    Filed: August 26, 1997
    Date of Patent: June 9, 1998
    Assignee: International Business Machines Corporation
    Inventors: James Elkins McIlvain, William Chambers Shepard