1
Michael G Machado, Ronald R Moon, Thomas A Tacklind, William G Moon, Bruce R Peterson, Clifford M Gold, Daniel E Barnard, James H Do: High capacity submicro-winchester fixed disk drive. Quantum Corporation, David B Harrison, October 19, 1993: US05255136 (168 worldwide citation)

A miniature disk drive achieves storage densities of at least approximately 1700 tracks per inch per storage surface of a storage disk defining a series of radially extensive servo sectors embedded within circumferential zones of data tracks. The sectors are recorded at a constant data transfer rate ...


2
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. Quantum Corporation, David B Harrison, May 26, 1987: US04669004 (159 worldwide citation)

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 predetermine ...


3
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 and SCSI interface. Quantum Corporation, David B Harrison, November 8, 1988: US04783705 (118 worldwide citation)

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 re ...


4
Ronald R Moon: Edge servo for disk drive head positioner. Quantum Corporation, David B Harrison, December 8, 1992: US05170299 (87 worldwide citation)

A method for determining the position of a data transducer head within one data track of a rotating data storage disk within a disk drive includes the steps of:


5
William G Moon, Ronald R Moon, Bruce R Peterson, Donald C Westwood: Rotating rigid disk data storage device. Quantum Corporation, David B Harrison, May 7, 1985: US04516177 (75 worldwide citation)

An improved rotating disk data storage device is achieved in a combination of an optical encoder to detect data track crossings, a servo sector surface on one of a plurality of rotating data storage disks with the surface being filled with a pattern of alternating bursts which are read for relative ...


6
Ronald R Moon, Daniel E Barnard: Servo data recovery circuit for disk drive having digital embedded sector servo. David B Harrison, May 30, 1995: US05420730 (59 worldwide citation)

A method and apparatus are provided for recovering servo information in a disk drive for positioning a data transducer head relative to concentric data tracks wherein the head reads user data encoded in a predetermined data code and reads servo information within plural servo sectors embedded in eac ...


7
Ronald R Moon, Gregg J Uhlendorf, Daniel E Barnard: Servo system for providing increased recording density and improved operation of the AGC circuitry. NEC Corporation, Skjerven Morrill MacPherson Franklin & Friel, August 16, 1994: US05339207 (35 worldwide citation)

A servo system for use in a magnetic recording media is disclosed, with the system utilizing short and long address tracks in a predetermined pattern to increase the usable data storage space on the media. A special pattern is utilized following the A and B BURST patterns for each track on the disk ...


8
Michael R Hatch, Ronald R Moon, Klaus Peter Deyring, James A McDonald III, Thomas J Huber, Gregg J Uhlendorf, Daniel E Barnard, Bryan T Silbermann, Philip L Steiner, Robert P Cloutier, Robert J Kobliska: Micro miniature hard disk drive. NEC Corporation, Thomas E Schatzel, March 1, 1994: US05291355 (26 worldwide citation)

A hard disk drive for a computer system including a head disk assembly with a disk platter of approximately one-and-eight-tenths-inch in diameter capable of storing more than forty megabytes. In an embodiment, data tracks on each data surface of the platter are spaced at approximately 2,558 tracks p ...


9
Michael R Hatch, Ronald R Moon, Robert P Cloutier: Active magnetic latch for disk drive and method. NEC Corporation, Skjerven Morrill MacPherson Franklin & Friel, April 12, 1994: US05303101 (24 worldwide citation)

When a rotary-actuator voice coil type disk drive is powered down the actuator arm is moved to a parking position against an I.D. stop by a disk spindle motor back EMF, resulting from the spinning down of the spindle motor. Current is applied by the back EMF through a delay circuit to a latch arm vo ...


10
Ronald R Moon: Digital servo system for moving body by a distance equal to an integral multiple of a predetermined pitch. Alps Electric, Guy W Shoup, Norman R Klivans, May 5, 1992: US05111349 (14 worldwide citation)

A digital servo system for moving a body, such as the magnetic head of a disk drive, by a distance equal to an integral multiple of a predetermined pitch includes a velocity control unit for causing the body to move at maximum acceleration to a predetermined maximum velocity during a first accelerat ...