Patents Assigned to DRI Holdings Limited
  • Patent number: 4751441
    Abstract: A method and apparatus are disclosed for positioning a transducing apparatus relative to a rotating storage medium through the use of an externally commutated positioning apparatus under control of a processing element. In addition, a control method is disclosed which includes an initial determination of salient parameters associated with the apparatus. Positioning of the transducing apparatus is achieved through a plurality of control modes which are responsive to the determined parameters. In addition, the accuracy with which position of the transducing apparatus is determined varies among the modes with the remaining distance yet to traverse to a desired destination position.
    Type: Grant
    Filed: May 31, 1985
    Date of Patent: June 14, 1988
    Assignees: Cambrian Consultants, Inc., DRI Holdings Limited
    Inventor: Martyn A. Lewis