ATE68906T1 - Mittel zur rueckfuehrung von schreib/lesekoepfen in einem plattenantrieb, unter verwendung der elektromotorischen gegenkraft des spindelmotors zum antrieb eines schrittmotors. - Google Patents

Mittel zur rueckfuehrung von schreib/lesekoepfen in einem plattenantrieb, unter verwendung der elektromotorischen gegenkraft des spindelmotors zum antrieb eines schrittmotors.

Info

Publication number
ATE68906T1
ATE68906T1 AT86309063T AT86309063T ATE68906T1 AT E68906 T1 ATE68906 T1 AT E68906T1 AT 86309063 T AT86309063 T AT 86309063T AT 86309063 T AT86309063 T AT 86309063T AT E68906 T1 ATE68906 T1 AT E68906T1
Authority
AT
Austria
Prior art keywords
power
drive
heads
pulses
stepper motor
Prior art date
Application number
AT86309063T
Other languages
English (en)
Inventor
William E Wevers
James Norman Krause
Ramgopal Battu
Original Assignee
Seagate Technology
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 Seagate Technology filed Critical Seagate Technology
Application granted granted Critical
Publication of ATE68906T1 publication Critical patent/ATE68906T1/de

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, 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
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/08—Track changing or selecting during transducing operation

Landscapes

  • Rotational Drive Of Disk (AREA)
  • Moving Of Heads (AREA)
  • Control Of Stepping Motors (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
AT86309063T 1985-11-20 1986-11-19 Mittel zur rueckfuehrung von schreib/lesekoepfen in einem plattenantrieb, unter verwendung der elektromotorischen gegenkraft des spindelmotors zum antrieb eines schrittmotors. ATE68906T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/800,060 US4679102A (en) 1985-11-20 1985-11-20 Method and means for parking read/write heads in a disc drive using the back-EMF of the spindle motor to operate a stepper motor
EP86309063A EP0224378B1 (de) 1985-11-20 1986-11-19 Mittel zur Rückführung von Schreib/Leseköpfen in einem Plattenantrieb, unter Verwendung der elektromotorischen Gegenkraft des Spindelmotors zum Antrieb eines Schrittmotors

Publications (1)

Publication Number Publication Date
ATE68906T1 true ATE68906T1 (de) 1991-11-15

Family

ID=25177407

Family Applications (1)

Application Number Title Priority Date Filing Date
AT86309063T ATE68906T1 (de) 1985-11-20 1986-11-19 Mittel zur rueckfuehrung von schreib/lesekoepfen in einem plattenantrieb, unter verwendung der elektromotorischen gegenkraft des spindelmotors zum antrieb eines schrittmotors.

Country Status (9)

Country Link
US (1) US4679102A (de)
EP (1) EP0224378B1 (de)
JP (1) JPS62219264A (de)
AT (1) ATE68906T1 (de)
AU (1) AU582529B2 (de)
CA (1) CA1269753A (de)
DE (1) DE3682167D1 (de)
HK (1) HK73492A (de)
SG (1) SG106791G (de)

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US5459654A (en) * 1993-05-14 1995-10-17 Siliconix Incorporated Apparatus for generating positive and negative supply rails from operating motor control circuit
US5508874A (en) * 1993-05-14 1996-04-16 Siliconix Incorporated Disconnect switch circuit to power head retract in hard disk drive memories
US5455496A (en) * 1993-05-14 1995-10-03 Siliconix Incorporated Head-retract circuit for moving media storage apparatus
US5477103A (en) * 1993-06-04 1995-12-19 Cirrus Logic, Inc. Sequence, timing and synchronization technique for servo system controller of a computer disk mass storage device
US5576910A (en) * 1993-06-04 1996-11-19 Cirrus Logic, Inc. Burst comparison and sequential technique for determining servo control in a mass storage disk device
JP3545049B2 (ja) * 1993-06-22 2004-07-21 エスティーマイクロエレクトロニクス，インコーポレイテッド 電源エネルギ障害時の逆起電力整流電圧
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US5761699A (en) * 1993-08-20 1998-06-02 Teac Corporation System for adapting a computer system to different types of data storage disks for interchangeable use with a disk drive
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JP3554039B2 (ja) * 1993-10-05 2004-08-11 ヒュンダイ エレクトロニクス アメリカ ディスクドライブ装置
JP3554038B2 (ja) * 1993-10-05 2004-08-11 ヒュンダイ エレクトロニクス アメリカ ディスクドライブ装置
US5473238A (en) * 1993-10-18 1995-12-05 Allegro Microsystems, Inc. Disc drive power management system
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US5675230A (en) * 1994-03-01 1997-10-07 Seagate Technology, Inc. Method and apparatus for dynamic low voltage spindle motor operation
US5596458A (en) * 1994-12-19 1997-01-21 Integral Peripherals, Inc. Variable zone layout for information storage disk drive
US6091559A (en) * 1994-12-19 2000-07-18 Mobile Storage Technology Inc. Variable zone layout and track pitch parameter considerations for information storage disk drive
KR100223645B1 (ko) * 1995-08-31 1999-10-15 윤종용 디스크 파킹존의 마모를 분산시키기 위한 하드 디스크 드라이브의 브이.씨.엠 제어방법
US5769912A (en) 1995-10-16 1998-06-23 Mansur Industries Inc. System and method of vapor recovery in industrial washing equipment
US6282049B1 (en) 1995-10-20 2001-08-28 Seagate Technology Llc Applying a ramped voltage source across an actuator coil to retract a disc drive actuator
US5742800A (en) * 1995-10-31 1998-04-21 Seagate Technology, Inc. Disc drive reset using power valid, clocks valid and delay criteria
US5729399A (en) * 1995-12-13 1998-03-17 International Business Machines Corporation Contact start/stop disk drive with minimized head-disk wear in textured landing zone
US5694271A (en) * 1996-04-18 1997-12-02 Seagate Technology, Inc. Space efficient magnetic toggle latch assembly for a disc drive actuator
US5889629A (en) * 1996-06-27 1999-03-30 Western Digital Corporation Method and apparatus for controlling disk drive head parking during power interruption
KR100420993B1 (ko) * 1996-10-17 2004-05-17 삼성전자주식회사 슬립모드 및 대기모드시 파킹으로 인한 헤드 충격 최소화 방법
US6548973B1 (en) * 1997-01-15 2003-04-15 Texas Instruments Incorporated Method and apparatus for braking a polyphase DC motor
US5951687A (en) * 1997-01-31 1999-09-14 Seagate Technology, Inc. Storage disc with self diagnostics and configuration
KR19990061744A (ko) * 1997-12-31 1999-07-26 윤종용 하드 디스크 드라이브 헤드의 파킹 방법
US6129282A (en) * 1998-07-20 2000-10-10 Psc Scanning, Inc. Rugged scanning subsystem for data reading
US6639749B1 (en) 1999-01-21 2003-10-28 Seagate Technology Llc Supplying power from a spindle motor in a disc drive system
WO2000051118A1 (en) * 1999-02-25 2000-08-31 Stmicroelectronics Asia Pacific Pte Ltd A method and apparatus for controlling a disk drive under a power loss condition
US6560057B1 (en) 1999-04-30 2003-05-06 International Business Machines Corporation Head positioning system for a disk drive during a power down condition
US6566832B2 (en) * 1999-06-02 2003-05-20 Maxtor Corporation Method and apparatus for parking a read/write head during power interruptions by dynamic sequencing
US7342741B1 (en) 2000-02-10 2008-03-11 Esgw Holdings Limited Disk drive with variable track density
US7633702B1 (en) * 2000-03-31 2009-12-15 Seagate Technology Llc Method and apparatus for powering voice coil motor retract circuit while braking spindle
JP2002074810A (ja) * 2000-09-05 2002-03-15 Alps Electric Co Ltd ディスク駆動装置
DE60125878T2 (de) * 2000-09-12 2007-10-18 Koninklijke Philips Electronics N.V. Motorsteuervorrichtung, die eine Messung der Umdrehungsgeschwindigkeit des Rotors erlaubt
US6859340B2 (en) 2001-03-09 2005-02-22 Seagate Technology Llc Method and device for retracting an actuator
ES2257544T3 (es) 2001-04-30 2006-08-01 Unilever N.V. Composiciones de tratamiento del cabello.
JP2002334533A (ja) * 2001-05-08 2002-11-22 Toshiba Corp ディスク装置及び該装置におけるヘッド制御可否判定方法
US6909572B2 (en) * 2003-05-07 2005-06-21 Stmicroelectronics S.R.L. Disk drive system and method for operating same
US7295395B2 (en) 2004-03-12 2007-11-13 Seagate Technology Llc Sensing a prior transducer position by a motion pattern
GB0704439D0 (en) * 2007-03-08 2007-04-18 Ami Semiconductor Belgium Bvba Output contact for feedback in intergrated circuit motor driver
US8854765B2 (en) * 2013-03-01 2014-10-07 Stmicroelectronics Asia Pacific Pte. Ltd. Regulating distribution of power in a hard disk drive following a power loss

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Also Published As

Publication number Publication date
US4679102A (en) 1987-07-07
SG106791G (en) 1992-03-20
HK73492A (en) 1992-10-02
EP0224378B1 (de) 1991-10-23
CA1269753A (en) 1990-05-29
EP0224378A2 (de) 1987-06-03
AU6539086A (en) 1987-05-28
JPS62219264A (ja) 1987-09-26
EP0224378A3 (en) 1989-11-15
DE3682167D1 (de) 1991-11-28
AU582529B2 (en) 1989-03-23

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Legal Events

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