Patents by Inventor Tuong T. Quan

Tuong T. Quan 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).

  • High capacity disk file with embedded sector servo and SCSI interface
    Patent number: 4783705
    Abstract: A disk data storage subsystem includes a head and disk assembly. A plurality of sectors in data tracks include a servo portion containing a prerecorded pattern of a plurality of repeating, time staggered, non-phase-coherent bursts, each burst having a predetermined integral fraction radial offset relative to the other bursts.
    Type: Grant
    Filed: May 19, 1987
    Date of Patent: November 8, 1988
    Assignee: Quantum Corporation
    Inventors: Ronald R. Moon, Michael G. Machado, Thomas G. Cooper, Patrick M. Weiher, Curtis H. Bruner, Mark E. Strysko, Gregg J. Uhlendorf, Steven G. Campbell, Tuong T. Quan, Hoa V. Luong
  • High capacity disk file with embedded sector servo
    Patent number: 4669004
    Abstract: A high performance, low cost rotating disk data storage subsystem includes a head and disk assembly. A plurality of sectors in data tracks include a servo portion containing a prerecorded pattern of a plurality of repeating, time staggered, non-phase-coherent bursts, each burst having a predetermined integral fraction radial offset relative to the other bursts and having a constant frequency preamble field followed by a unique value field related to its burst spatial location.
    Type: Grant
    Filed: February 27, 1986
    Date of Patent: May 26, 1987
    Assignee: Quantum Corporation
    Inventors: Ronald R. Moon, Michael G. Machado, Thomas G. Cooper, Patrick M. Weiher, Curtis H. Bruner, Mark E. Strysko, Gregg J. Uhlendorf, Steven G. Campbell, Tuong T. Quan, Hoa V. Luong