SG47225A1 - Method and circuit for driving hard disk drive spindle and actuator motors - Google Patents

Method and circuit for driving hard disk drive spindle and actuator motors

Info

Publication number
SG47225A1
SG47225A1 SG1997001684A SG1997001684A SG47225A1 SG 47225 A1 SG47225 A1 SG 47225A1 SG 1997001684 A SG1997001684 A SG 1997001684A SG 1997001684 A SG1997001684 A SG 1997001684A SG 47225 A1 SG47225 A1 SG 47225A1
Authority
SG
Singapore
Prior art keywords
circuit
hard disk
disk drive
drive spindle
actuator motors
Prior art date
Application number
SG1997001684A
Other languages
English (en)
Inventor
Edward N Jeffrey
William R Krenik
David Cotton
Dennis V Hahn
Shaibal Barua
Roy C Jones Iii
Original Assignee
Texas Instruments Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of SG47225A1 publication Critical patent/SG47225A1/en

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/12Disposition of constructional parts in the apparatus, e.g. of power supply, of modules
    • G11B33/121Disposition of constructional parts in the apparatus, e.g. of power supply, of modules the apparatus comprising a single recording/reproducing device
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20Driving; Starting; Stopping; Control thereof
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20Driving; Starting; Stopping; Control thereof
    • G11B19/28Speed controlling, regulating, or indicating
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00Head arrangements not specific to the method of recording or reproducing
    • G11B21/02Driving or moving of heads
    • G11B21/08Track changing or selecting during transducing operation
    • G11B21/081Access to indexed tracks or parts of continuous track
    • G11B21/083Access to indexed tracks or parts of continuous track on discs
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00Head arrangements not specific to the method of recording or reproducing
    • G11B21/02Driving or moving of heads
    • G11B21/10Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B25/00Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
    • G11B25/04Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
    • G11B25/043Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card using rotating discs
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/12Disposition of constructional parts in the apparatus, e.g. of power supply, of modules
    • G11B33/121Disposition of constructional parts in the apparatus, e.g. of power supply, of modules the apparatus comprising a single recording/reproducing device
    • G11B33/122Arrangements for providing electrical connections, e.g. connectors, cables, switches
SG1997001684A 1996-06-03 1997-05-22 Method and circuit for driving hard disk drive spindle and actuator motors SG47225A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1909896P 1996-06-03 1996-06-03

Publications (1)

Publication Number Publication Date
SG47225A1 true SG47225A1 (en) 1998-03-20

Family

ID=21791422

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1997001684A SG47225A1 (en) 1996-06-03 1997-05-22 Method and circuit for driving hard disk drive spindle and actuator motors

Country Status (7)

Country Link
US (1) US6021015A (ko)
EP (1) EP0811973B1 (ko)
JP (1) JPH1097783A (ko)
KR (1) KR100472587B1 (ko)
DE (1) DE69724517T2 (ko)
SG (1) SG47225A1 (ko)
TW (1) TW367487B (ko)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6160368A (en) * 1998-06-22 2000-12-12 Western Digital Corporation Faster spin-down operation in a disk drive by utilizing pulsed braking
EP1143437A1 (en) * 2000-03-31 2001-10-10 STMicroelectronics S.r.l. Controller for a hard disk drive with control circuits for head actuator, spindle motor and piezoelectric head micropositioners which are integrated on the same substrate
IT1320529B1 (it) * 2000-07-07 2003-12-10 St Microelectronics Srl Circuito di pilotaggio di attuatori piezoelettrici, in particolare per un trasduttore di lettura/scrittura di dischi rigidi.
US6867944B1 (en) * 2000-10-31 2005-03-15 Western Digital Technologies, Inc. Disk drive comprising VCM stall detector for velocity control of an actuator arm
US6690536B1 (en) * 2000-10-31 2004-02-10 Western Digital Technologies, Inc. Disk drive employing VCM demand current to calibrate VCM IR voltage for velocity control of an actuator arm
JP4265877B2 (ja) * 2001-05-30 2009-05-20 株式会社ルネサステクノロジ 磁気ディスク記憶装置
US7054091B2 (en) * 2002-11-23 2006-05-30 Texas Instruments Incorporated Digital processor controlled method and circuit for retracting a head carriage assembly to a parked position in a mass data storage device, or the like
KR100770937B1 (ko) * 2006-11-02 2007-10-26 삼성전자주식회사 음성 코일 구동 수단과 전류 인가 방법
US9286932B2 (en) 2009-10-30 2016-03-15 Hewlett Packard Enterprise Development Lp Hard disk drive having regions corresponding to different speeds at which storage surface rotates
JP2014096883A (ja) * 2012-11-08 2014-05-22 Nippon Densan Corp スピンドルモータおよびディスク駆動装置
WO2015010234A1 (en) 2013-07-22 2015-01-29 Texas Instruments Incorporated Hybrid controller for brushless dc motor

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3483457A (en) * 1967-06-21 1969-12-09 Massachusetts Inst Technology Electronically commutated permanent magnet torque motor
US3518516A (en) * 1967-12-26 1970-06-30 Ibm Stepping motor constant velocity drive
US3601678A (en) * 1970-05-27 1971-08-24 Ibm Stepping motor constant velocity drive including closed and open loop control
US4172050A (en) * 1974-04-22 1979-10-23 The Dow Chemical Company High efficiency titanate catalyst for polymerizing olefins
US4295085A (en) * 1979-05-25 1981-10-13 General Electric Company Phase lock loop commutation position control and method
US4250435A (en) * 1980-01-04 1981-02-10 General Electric Company Clock rate control of electronically commutated motor rotational velocity
US4394610A (en) * 1981-08-07 1983-07-19 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Adaptive reference voltage generator for firing angle control of line-commutated inverters
US4401934A (en) * 1981-08-07 1983-08-30 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Adaptive control system for line-commutated inverters
US4928043A (en) * 1988-11-14 1990-05-22 Synektron Corporation Back EMF sampling circuit for phase locked loop motor control
US5091680A (en) * 1990-02-06 1992-02-25 Seagate Technology, Inc. Motor brake circuit for magnetic disk drive system
US5329412A (en) * 1990-06-01 1994-07-12 Conner Peripherals, Inc. Two and one half inch diameter disk drive having 0.6 inch height
US5396384A (en) * 1992-05-12 1995-03-07 Quantum Corporation Hard disk drive architecture
US5327053A (en) * 1992-08-12 1994-07-05 Seagate Technology, Inc. Apparatus and method for detecting rotor position in a sensorless and brushless DC motor
US5297024A (en) * 1992-12-01 1994-03-22 Sgs-Thomson Microelectronics, Inc. Voice coil driver with variable gain in seek and track-follow modes
BR9406810A (pt) * 1993-06-11 1996-07-23 Maxtor Corp Cartao de unidade de disco rigido PCMCIA tipo II
WO1995002247A1 (en) * 1993-07-08 1995-01-19 Maxtor Corporation Type iii pcmcia hard disk drive containing three disks
US5530326A (en) * 1993-07-19 1996-06-25 Quantum Corporation Brushless DC spindle motor startup control
US5384524A (en) * 1993-09-02 1995-01-24 Cirrus Logic, Inc. Voice coil motor control circuit and method for servo system control in a computer mass storage device
US5491395A (en) * 1993-09-17 1996-02-13 Maxtor Corporation TUT servo IC architecture
JPH07272398A (ja) * 1994-03-28 1995-10-20 Hitachi Ltd ディスク装置の制御装置
US5426354A (en) * 1994-11-15 1995-06-20 Synektron Corporation Vector control for brushless DC motor
US5767653A (en) * 1995-10-24 1998-06-16 Micro Linear Corporation Variable speed AC induction motor controller

Also Published As

Publication number Publication date
EP0811973A2 (en) 1997-12-10
KR100472587B1 (ko) 2005-07-01
JPH1097783A (ja) 1998-04-14
KR980006780A (ko) 1998-03-30
DE69724517T2 (de) 2004-07-08
DE69724517D1 (de) 2003-10-09
EP0811973B1 (en) 2003-09-03
US6021015A (en) 2000-02-01
EP0811973A3 (en) 1998-12-16
TW367487B (en) 1999-08-21

Similar Documents

Publication Publication Date Title
SG48530A1 (en) Method and circuit for driving a hard disk drive spindle motor
SG50006A1 (en) Disk drive having optimized spindle speed for environment
AU3657597A (en) Method and apparatus for improving disk drive performance
HK1017937A1 (en) Disk drive apparatus
EP0665535A3 (en) Device and method for controlling a magnetic disk drive.
EP0814477A3 (en) Disc drive
EP0665490A3 (en) Device for switching off the supply voltage of a SCSI disk unit.
GB2307089B (en) Hard disk drive with reduced servo field and driving method therefor
GB2328780B (en) Sector seeking method for reducing disk drive power consumption
GB2364163B (en) Disc drive method and apparatus for dynamically adjusting seek operations
EP0931313A4 (en) DISKETTE UNIT WITH IMPROVED SPINDLE MOTOR LOADING MECHANISM
SG55407A1 (en) Apparatus and method for reducing spindle power and acoustic noise in a disk drive
AU5996799A (en) Method and apparatus for driving piezoelectric motors
SG47225A1 (en) Method and circuit for driving hard disk drive spindle and actuator motors
HK1019653A1 (en) Disc drive
GB9510300D0 (en) Method for increasing drive torque
GB2312765B (en) Servo control device and method for a hard disk drive
GB2327527B (en) Head unlatch controlling method in magnetic disk drive
HK1003676A1 (en) A system and method for controlling a seek operation in a disk drive
AU1299595A (en) Axial spindle motor for hard disk drive assembly
GB2279491B (en) Magnetic disk drive
SG54970A1 (en) Servo method and device for hard disk drive
SG45526A1 (en) Magnetic disk drive
GB2315914B (en) Apparatus and method for controlling hard disk drive
EP0597479A3 (en) Magnetic disk drive spindle motor.