DE69318936D1 - Motorantriebsschaltung, und Datenaufzeichnungs- und/oder Wiedergabegerät mit einer solchen Schaltung - Google Patents

Motorantriebsschaltung, und Datenaufzeichnungs- und/oder Wiedergabegerät mit einer solchen Schaltung

Info

Publication number
DE69318936D1
DE69318936D1 DE69318936T DE69318936T DE69318936D1 DE 69318936 D1 DE69318936 D1 DE 69318936D1 DE 69318936 T DE69318936 T DE 69318936T DE 69318936 T DE69318936 T DE 69318936T DE 69318936 D1 DE69318936 D1 DE 69318936D1
Authority
DE
Germany
Prior art keywords
circuit
motor drive
data recording
reproducing device
drive circuit
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69318936T
Other languages
English (en)
Other versions
DE69318936T2 (de
Inventor
Johannes P M Bahlmann
Hout Henricus M Van
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
Philips Electronics NV
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 Koninklijke Philips Electronics NV, Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE69318936D1 publication Critical patent/DE69318936D1/de
Publication of DE69318936T2 publication Critical patent/DE69318936T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
    • H02P1/02—Details
    • H02P1/04—Means for controlling progress of starting sequence in dependence upon time or upon current, speed, or other motor parameter
    • H02P1/10—Manually-operated on/off switch controlling relays or contactors operating sequentially for starting a motor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/34—Modelling or simulation for control purposes
DE69318936T 1992-11-17 1993-11-11 Motorantriebsschaltung, und Datenaufzeichnungs- und/oder Wiedergabegerät mit einer solchen Schaltung Expired - Fee Related DE69318936T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP92203514 1992-11-17

Publications (2)

Publication Number Publication Date
DE69318936D1 true DE69318936D1 (de) 1998-07-09
DE69318936T2 DE69318936T2 (de) 1998-12-24

Family

ID=8211045

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69318936T Expired - Fee Related DE69318936T2 (de) 1992-11-17 1993-11-11 Motorantriebsschaltung, und Datenaufzeichnungs- und/oder Wiedergabegerät mit einer solchen Schaltung

Country Status (7)

Country Link
US (1) US5495372A (de)
JP (1) JP3392487B2 (de)
KR (1) KR100295029B1 (de)
DE (1) DE69318936T2 (de)
HK (1) HK1011835A1 (de)
SG (1) SG44035A1 (de)
TW (1) TW278270B (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5737144A (en) * 1996-06-05 1998-04-07 Quantum Corporation Switched boost voltage generator for actuator retract in disk drive
ES2158782B1 (es) * 1998-05-12 2002-03-01 Mannesmann Sachs Ag Sistema y procedimiento de mando para un motor electrico excitado permanentemente con al menos una fase.
US6160368A (en) * 1998-06-22 2000-12-12 Western Digital Corporation Faster spin-down operation in a disk drive by utilizing pulsed braking
US6181502B1 (en) 1998-07-01 2001-01-30 Western Digital Corporation Faster access time in a disk drive by utilizing increased VCM potential voltage
US6094020A (en) * 1998-11-18 2000-07-25 Western Digital Corporation Disk drive utilizing Bemf of spindle motor to increase VCM voltage during seeks
US6020695A (en) * 1999-02-19 2000-02-01 Vtc Inc. Three-phase generator boost circuit
GB2373364B (en) 1999-12-02 2004-03-03 Seagate Technology Llc Fly height control over patterned media
DE60023014D1 (de) * 2000-11-20 2005-11-10 St Microelectronics Srl Schaltkreis zur Rückgewinnung von Geschwindigkeit eines Gleichstrommotors und Verfahren zum Benutzen dieses Schaltkreises
JP4421485B2 (ja) * 2005-01-25 2010-02-24 株式会社東芝 電源遮断時におけるヘッドリトラクト方法及び同方法を適用するディスク記憶装置
US7554276B2 (en) * 2005-09-21 2009-06-30 International Rectifier Corporation Protection circuit for permanent magnet synchronous motor in field weakening operation
US8878468B2 (en) * 2011-04-29 2014-11-04 Pratt & Whitney Canada Corp. Electric machine assembly with fail-safe arrangement
US8767354B1 (en) * 2011-12-08 2014-07-01 Western Digital Technologies, Inc. Data storage device employing cascaded voltage regulators during power failure
US9093105B2 (en) * 2011-12-09 2015-07-28 Western Digital Technologies, Inc. Disk drive charging capacitor using motor supply voltage during power failure
US8724422B1 (en) 2012-02-29 2014-05-13 Western Digital Technologies, Inc. System and method for charging back-up charge storage element for data storage device using spindle phase switching elements
EP2866039B1 (de) * 2013-10-25 2016-05-25 ABB Technology AG Mehrphasiges Schaltersystem mit einer Kurzschlussverbindung
US9230593B1 (en) 2014-12-23 2016-01-05 Western Digital Technologies, Inc. Data storage device optimizing spindle motor power when transitioning into a power failure mode
US9355676B1 (en) 2015-03-25 2016-05-31 Western Digital Technologies, Inc. Data storage device controlling amplitude and phase of driving voltage to generate power from a spindle motor
CN109427369B (zh) * 2017-08-30 2021-12-31 鸿富锦精密工业(武汉)有限公司 硬盘供电保护电路
CN109490758B (zh) * 2018-12-12 2020-12-15 上海华力集成电路制造有限公司 一种短路失效的定位方法
JP2020155173A (ja) * 2019-03-19 2020-09-24 株式会社東芝 磁気ディスク装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4371903A (en) * 1981-09-28 1983-02-01 Dma Systems Corporation Emergency head retract system for magnetic disc drives
FR2528213B1 (fr) * 1982-06-03 1987-12-18 Tandon Corp Dispositif de memoire a disque magnetique
US4679102A (en) * 1985-11-20 1987-07-07 Seagate Technology 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
US4786995A (en) * 1986-11-06 1988-11-22 Peripheral Technology, Inc Automatic head retract system for disk drive
US4831469A (en) * 1987-07-29 1989-05-16 International Business Machines Corporation Disk drive head retract and motor braking method and apparatus

Also Published As

Publication number Publication date
KR100295029B1 (ko) 2001-10-24
KR940012785A (ko) 1994-06-24
HK1011835A1 (en) 1999-07-16
DE69318936T2 (de) 1998-12-24
SG44035A1 (en) 1997-11-14
TW278270B (de) 1996-06-11
US5495372A (en) 1996-02-27
JPH06245583A (ja) 1994-09-02
JP3392487B2 (ja) 2003-03-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8320 Willingness to grant licences declared (paragraph 23)
8328 Change in the person/name/address of the agent

Representative=s name: VOLMER, G., DIPL.-ING., PAT.-ANW., 52066 AACHEN

8339 Ceased/non-payment of the annual fee