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
Bruce R Peterson, Hung C Nguyen, Michael G Machado: On-the-fly error correction with embedded digital controller. Quantum Corporation, David B Harrison, August 31, 1993: US05241546 (85 worldwide citation)

An on-the-fly error correction method and apparatus for correcting a data block within a stream of substantially contiguous data blocks during a data decoding process, each block having a Reed-Solomon error syndrome calculated and appended during an encoding process. The method comprises the steps o ...


5
Michael G Machado: Integrated encoder decoder for variable length, zero run length limited codes. Quantum Corporation, David B Harrison, June 23, 1987: US04675652 (34 worldwide citation)

An encoder-decoder apparatus is disclosed for encoding and decoding code words of a predetermined code scheme in which which ONE bits thereof are separated by at least d ZERO bits and not more than k ZERO bits, in a serial bit stream path from and to components of serial data words each being of n p ...


6
Michael G Machado, Clifford M Gold, Bruce R Peterson, Daniel E Barnard, James H Do: Miniature disk drive having embedded sector servo with split data fields and automatic on-the-fly data block sequencing. Quantum Corporation, David B Harrison, May 14, 1996: US05517631 (33 worldwide citation)

A programmable data sequencer transfers fixed length data blocks between variable length storage segments of a magnetic storage disk and a buffer memory within a data storage device. The data sequencer includes a stack memory for holding user byte count values read from a header field preceding each ...


7
Michael G Machado: Disk drive with improved error correction code. Quantum Corporation, David B Harrison, March 8, 1988: US04730321 (28 worldwide citation)

A rotating disk data storage subsystem is disclosed for recording and retrieving data in blocks of predetermined finite length, each block of data including an error correction code syndrome portion calculated in accordance with a predetermined Galois field error correction algorithm. The subsystem ...


8
Michael G Machado, Ronald R Moon, Richard K Oswald, Avraham Perahia: Track address detecting means by HDD sector servo method. Alps Electric, Guy W Shoup, B Noel Kivlin, May 23, 1995: US05418657 (14 worldwide citation)

A disk file subsystem is disclosed which utilizes a track address decoding circuit which converts the track address which is recorded on the magnetic media in Gray code according to a 1/6 (2,8) run-length-limited recording code to its corresponding binary track address.


9
James E Chloupek, William R Krenik, Michael G Machado: Start-up commutation method for a rotating magnetic storage device without back rotation. Texas Instruments Incorporated, Bret J Petersen, Thomas G Eschweiler, Richard L Donaldson, May 27, 1997: US05633569 (5 worldwide citation)

A method of driving a motor without initial back rotation includes the steps of identifying a rest position 22 of a storage medium 20, mapping the rest position of storage medium 20 to a motor drive sequence, and driving the motor with the motor drive sequence, thereby enabling motor start-up withou ...


10
Michael G Machado, Chris Van Genderen, Poongyeub Lee, Joo Weon Park: Serial flash integrated circuit having error detection and correction. NexFlash Technologies, Altera Law Group, August 5, 2004: US20040153902-A1 (1 worldwide citation)

A serial flash integrated circuit is provided with an integrated error correction coding (“ECC”) system that is used with an integrated volatile page memory for fast automatic data correction. The ECC code has the capability of correcting any one or two bit errors that might occur on a page of the f ...