ATE437436T1 - Positionierungssteuereinrichtung und -verfahren - Google Patents

Positionierungssteuereinrichtung und -verfahren

Info

Publication number
ATE437436T1
ATE437436T1 AT02710503T AT02710503T ATE437436T1 AT E437436 T1 ATE437436 T1 AT E437436T1 AT 02710503 T AT02710503 T AT 02710503T AT 02710503 T AT02710503 T AT 02710503T AT E437436 T1 ATE437436 T1 AT E437436T1
Authority
AT
Austria
Prior art keywords
unit
signal
control device
positioning control
inputting
Prior art date
Application number
AT02710503T
Other languages
English (en)
Inventor
Masashi Kubota
Sigeru Shimonou
Naotoshi Iwasawa
Original Assignee
Nec Corp
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 Nec Corp filed Critical Nec Corp
Application granted granted Critical
Publication of ATE437436T1 publication Critical patent/ATE437436T1/de

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/095—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble
    • G11B7/0956—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
    • 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
    • G11B5/58—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 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
    • G11B5/596—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 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 disks
    • G11B5/59605—Circuits
    • G11B5/59611—Detection or processing of peak/envelop signals
    • 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
    • G11B5/58—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 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
    • G11B5/596—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 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 disks
    • G11B5/59605—Circuits
    • G11B5/59622—Gain control; Filters
    • 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
    • G11B5/58—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 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
    • G11B5/596—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 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 disks
    • G11B5/59627—Aligning for runout, eccentricity or offset compensation
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/42—Servomotor, servo controller kind till VSS
    • G05B2219/42338—Position tracking control
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Control Of Position Or Direction (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
  • Vehicle Body Suspensions (AREA)
  • Paper (AREA)
  • Numerical Control (AREA)
AT02710503T 2001-02-07 2002-02-05 Positionierungssteuereinrichtung und -verfahren ATE437436T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001030525A JP4193362B2 (ja) 2001-02-07 2001-02-07 位置決め制御装置及び位置決め制御方法
PCT/JP2002/000923 WO2002063623A1 (en) 2001-02-07 2002-02-05 Positioning control device and positioning control method

Publications (1)

Publication Number Publication Date
ATE437436T1 true ATE437436T1 (de) 2009-08-15

Family

ID=18894735

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02710503T ATE437436T1 (de) 2001-02-07 2002-02-05 Positionierungssteuereinrichtung und -verfahren

Country Status (6)

Country Link
US (1) US7280448B2 (de)
EP (1) EP1367586B1 (de)
JP (1) JP4193362B2 (de)
AT (1) ATE437436T1 (de)
DE (1) DE60233034D1 (de)
WO (1) WO2002063623A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5136410B2 (ja) * 2006-05-17 2013-02-06 日本電気株式会社 位置決め制御装置、及び、光ディスク装置
JP5422789B2 (ja) * 2008-10-27 2014-02-19 歸山 敏之 Ｍｅｍｓ微小構造体駆動制御方法と制御装置
CN103605374A (zh) * 2013-08-30 2014-02-26 天津市亚安科技股份有限公司 一种能提高云台定位精度的装置及方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6057085B2 (ja) 1977-11-08 1985-12-13 日本電気株式会社 位置決め制御装置
JPS59223977A (ja) 1983-06-01 1984-12-15 Mitsubishi Electric Corp 情報記録デイスク再生装置
JPS6310384A (ja) 1986-07-02 1988-01-16 Sony Corp 回転記録媒体に対するサ−ボ方式
US5805374A (en) * 1992-10-16 1998-09-08 International Business Machines Corporation Method and apparatus for fast positioning a head of a recording device
JP3536455B2 (ja) 1995-08-04 2004-06-07 三菱電機株式会社 繰り返し補償器およびこの繰り返し補償器を備えたディスク装置
JP2001126421A (ja) 1999-10-29 2001-05-11 Sony Corp ディスクドライブ装置およびディスクドライブ装置のヘッド位置決め制御方法
US7136339B2 (en) * 2001-05-30 2006-11-14 Nec Corporation Positioning control apparatus and method capable of reducing relative position error without increasing gain and frequency band of transfer characteristics of control system

Also Published As

Publication number Publication date
JP4193362B2 (ja) 2008-12-10
US7280448B2 (en) 2007-10-09
EP1367586A1 (de) 2003-12-03
US20040240339A1 (en) 2004-12-02
WO2002063623A1 (en) 2002-08-15
DE60233034D1 (de) 2009-09-03
JP2002237154A (ja) 2002-08-23
EP1367586A4 (de) 2007-10-24
EP1367586B1 (de) 2009-07-22

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties