DE69435238D1 - Schingspulengesteuerter Positionierer für Gross-und Feinpositionierung eines Magnetkopfes in einem Mehrfachspurbandgerät - Google Patents

Schingspulengesteuerter Positionierer für Gross-und Feinpositionierung eines Magnetkopfes in einem Mehrfachspurbandgerät

Info

Publication number
DE69435238D1
DE69435238D1 DE69435238T DE69435238T DE69435238D1 DE 69435238 D1 DE69435238 D1 DE 69435238D1 DE 69435238 T DE69435238 T DE 69435238T DE 69435238 T DE69435238 T DE 69435238T DE 69435238 D1 DE69435238 D1 DE 69435238D1
Authority
DE
Germany
Prior art keywords
magnetic head
fine positioning
track device
ring coil
coil controlled
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
DE69435238T
Other languages
English (en)
Inventor
Ashok B Nayak
Kurt A Buckland
Walter Fehlmann
James Mark Decot
Scott L Hanson
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.)
Certance LLC
Original Assignee
Seagate Removable Storage Solutions LLC
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 Removable Storage Solutions LLC filed Critical Seagate Removable Storage Solutions LLC
Application granted granted Critical
Publication of DE69435238D1 publication Critical patent/DE69435238D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K41/00Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02Linear motors; Sectional motors
    • H02K41/035DC motors; Unipolar motors
    • H02K41/0352Unipolar motors
    • H02K41/0354Lorentz force motors, e.g. voice coil motors
    • H02K41/0356Lorentz force motors, e.g. voice coil motors moving along a straight path
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48Disposition 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
    • G11B5/54Disposition 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
    • G11B5/55Track change, selection or acquisition by displacement of the head
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/18Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/19Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path
    • G05B19/21Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path using an incremental digital measuring device
    • G05B19/23Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path using an incremental digital measuring device for point-to-point control
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/18Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/19Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path
    • G05B19/33Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path using an analogue measuring device
    • G05B19/35Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path using an analogue measuring device for point-to-point control
    • G05B19/351Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path using an analogue measuring device for point-to-point control the positional error is used to control continuously the servomotor according to its magnitude
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48Disposition 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
    • G11B5/54Disposition 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
    • G11B5/55Track change, selection or acquisition by displacement of the head
    • G11B5/5504Track change, selection or acquisition by displacement of the head across tape tracks
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48Disposition 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
    • G11B5/54Disposition 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
    • G11B5/55Track change, selection or acquisition by displacement of the head
    • G11B5/5504Track change, selection or acquisition by displacement of the head across tape tracks
    • G11B5/5508Control circuits therefor
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48Disposition 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
    • G11B5/58Disposition 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 for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/584Disposition 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 for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P25/00Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/02Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
    • H02P25/032Reciprocating, oscillating or vibrating motors
    • H02P25/034Voice coil motors
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/30Nc systems
    • G05B2219/41Servomotor, servo controller till figures
    • G05B2219/41355Electro magnetic coil actuator, voice coil
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K11/00Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
DE69435238T 1993-12-15 1994-12-13 Schingspulengesteuerter Positionierer für Gross-und Feinpositionierung eines Magnetkopfes in einem Mehrfachspurbandgerät Expired - Fee Related DE69435238D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16871693A 1993-12-15 1993-12-15

Publications (1)

Publication Number Publication Date
DE69435238D1 true DE69435238D1 (de) 2009-10-29

Family

ID=22612656

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69435241T Expired - Fee Related DE69435241D1 (de) 1993-12-15 1994-12-13 Schingspulengesteuerter Positionierer für Gross-und Feinpositionierung eines Magnetkopfes in einem Mehrfachspurbandgerät
DE69434454T Expired - Fee Related DE69434454T2 (de) 1993-12-15 1994-12-13 Schwingspulengesteuerter Positionierer für Gross-und Feinpositionierung eines Magnetkopfes in einem Mehrfachspurbandgerät
DE69435238T Expired - Fee Related DE69435238D1 (de) 1993-12-15 1994-12-13 Schingspulengesteuerter Positionierer für Gross-und Feinpositionierung eines Magnetkopfes in einem Mehrfachspurbandgerät

Family Applications Before (2)

Application Number Title Priority Date Filing Date
DE69435241T Expired - Fee Related DE69435241D1 (de) 1993-12-15 1994-12-13 Schingspulengesteuerter Positionierer für Gross-und Feinpositionierung eines Magnetkopfes in einem Mehrfachspurbandgerät
DE69434454T Expired - Fee Related DE69434454T2 (de) 1993-12-15 1994-12-13 Schwingspulengesteuerter Positionierer für Gross-und Feinpositionierung eines Magnetkopfes in einem Mehrfachspurbandgerät

Country Status (7)

Country Link
US (2) US5978172A (de)
EP (4) EP1619669B1 (de)
JP (1) JP3736849B2 (de)
KR (1) KR100275916B1 (de)
AU (1) AU1339195A (de)
DE (3) DE69435241D1 (de)
WO (1) WO1995016986A2 (de)

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US6839197B2 (en) * 2002-06-27 2005-01-04 International Business Machines Corporation Apparatus and method to calibrate one or more transducers in a noisy environment
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US7227724B2 (en) * 2003-01-30 2007-06-05 Certance, Llc Head actuator assembly for a tape drive
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US8059355B2 (en) * 2009-06-08 2011-11-15 Quantum Corporation Dual stage head actuator assembly for tape drive
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US8059362B2 (en) * 2010-03-02 2011-11-15 International Business Machines Corporation Positioning a coarse actuator of compound actuator tape servo system at midpoint of maximum peaks of lateral tape movement
US8134797B2 (en) * 2010-03-03 2012-03-13 International Business Machines Corporation Application of continuous position error offset signal to acquire servo track
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US9395511B1 (en) 2014-01-30 2016-07-19 Magnet-Schultz Of America, Inc. Voice coil actuator with integrated LVDT
US10854236B1 (en) 2019-09-11 2020-12-01 International Business Machines Corporation Dynamic tape guide bearing tilt mechanism
US10957362B1 (en) 2019-09-11 2021-03-23 International Business Machines Corporation Non-interfering micro-positioning system utilizing piezoelectric elements
US11056139B2 (en) 2019-09-11 2021-07-06 International Business Machines Corporation Semi-flexible structure for micro-positioning a write/read head
CN111447367B (zh) * 2020-05-08 2021-10-19 Oppo广东移动通信有限公司 音圈马达、驱动方法、摄像头模组和计算机可读存储介质
CN113098224B (zh) * 2021-04-09 2023-02-24 深圳谦腾科技有限公司 一种柔性供料的音圈电机

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Also Published As

Publication number Publication date
US5978172A (en) 1999-11-02
AU1339195A (en) 1995-07-03
KR960706672A (ko) 1996-12-09
WO1995016986A2 (en) 1995-06-22
EP1619670A1 (de) 2006-01-25
WO1995016986A3 (en) 1995-10-26
EP1306833A3 (de) 2003-06-11
US5901008A (en) 1999-05-04
EP1619670B1 (de) 2009-09-30
KR100275916B1 (ko) 2001-01-15
EP1306833B1 (de) 2005-08-10
EP0734569A1 (de) 1996-10-02
JP3736849B2 (ja) 2006-01-18
DE69435241D1 (de) 2009-11-12
DE69434454D1 (de) 2005-09-15
JPH09510315A (ja) 1997-10-14
EP1306833A2 (de) 2003-05-02
EP1619669A1 (de) 2006-01-25
DE69434454T2 (de) 2006-03-30
EP1619669B1 (de) 2009-09-16

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