ATE453185T1 - Optische platteneinheit und steuerverfahren dafür - Google Patents

Optische platteneinheit und steuerverfahren dafür

Info

Publication number
ATE453185T1
ATE453185T1 AT01993923T AT01993923T ATE453185T1 AT E453185 T1 ATE453185 T1 AT E453185T1 AT 01993923 T AT01993923 T AT 01993923T AT 01993923 T AT01993923 T AT 01993923T AT E453185 T1 ATE453185 T1 AT E453185T1
Authority
AT
Austria
Prior art keywords
offset
tracking
optical disk
adjustment system
drive
Prior art date
Application number
AT01993923T
Other languages
English (en)
Inventor
Takashi Enokihara
Original Assignee
Sony Computer Entertainment 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 Sony Computer Entertainment Inc filed Critical Sony Computer Entertainment Inc
Application granted granted Critical
Publication of ATE453185T1 publication Critical patent/ATE453185T1/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
    • 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
    • G11B7/0953—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 eccentricity of the disc or disc tracks
    • 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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
    • 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
    • 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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
    • G11B7/08541—Methods for track change, selection or preliminary positioning by moving the head involving track counting to determine position
    • 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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/0857—Arrangements for mechanically moving the whole head
    • G11B7/08582—Sled-type positioners

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Vehicle Body Suspensions (AREA)
  • Pinball Game Machines (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Liquid Crystal (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
AT01993923T 2000-11-08 2001-11-07 Optische platteneinheit und steuerverfahren dafür ATE453185T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000340253 2000-11-08
JP2001334809A JP4551597B2 (ja) 2000-11-08 2001-10-31 光ディスク装置、その制御方法、およびこの制御方法をコンピュータに実行させるプログラム
PCT/JP2001/009745 WO2002039436A1 (fr) 2000-11-08 2001-11-07 Unite de disque optique et procede de commande correspondant

Publications (1)

Publication Number Publication Date
ATE453185T1 true ATE453185T1 (de) 2010-01-15

Family

ID=26603580

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01993923T ATE453185T1 (de) 2000-11-08 2001-11-07 Optische platteneinheit und steuerverfahren dafür

Country Status (10)

Country Link
US (1) US7016272B2 (de)
EP (1) EP1333433B1 (de)
JP (1) JP4551597B2 (de)
KR (1) KR100800701B1 (de)
CN (1) CN1251197C (de)
AT (1) ATE453185T1 (de)
AU (1) AU2002224016A1 (de)
DE (1) DE60140885D1 (de)
TW (1) TW577050B (de)
WO (1) WO2002039436A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030066465A (ko) * 2002-02-05 2003-08-09 마츠시타 덴끼 산교 가부시키가이샤 트랙킹 제어 장치 및 광 디스크 장치
JP3794345B2 (ja) * 2002-04-25 2006-07-05 株式会社日立製作所 情報記録装置及び情報記録方法
KR100529309B1 (ko) * 2002-10-07 2005-11-17 삼성전자주식회사 Ｄｖｄ 플레이어의 오프셋 조정 장치 및 방법
JP4005053B2 (ja) * 2004-04-28 2007-11-07 Ｎｅｃエレクトロニクス株式会社 光ディスク装置及びスレッドモータ制御方法
US7613081B2 (en) * 2005-03-31 2009-11-03 Lsi Corporation Control of stepper motor in an optical disc
WO2008018209A1 (en) * 2006-08-09 2008-02-14 Mitsubishi Electric Corporation Optical disc reproducing device
JP2009069041A (ja) * 2007-09-14 2009-04-02 Fujinon Corp 光ピックアップ用波面測定装置
US20120236702A1 (en) * 2010-06-21 2012-09-20 Yao-Lung Chuang Method of controlling mechanical mechanisms of electronic device for peak power/current reduction
JP5762657B2 (ja) 2013-03-07 2015-08-12 三菱電機株式会社 トラッキング制御装置、トラッキング制御方法、及び光ディスク装置
WO2017004620A1 (en) * 2015-07-02 2017-01-05 Reliaquest Holdings, Llc Threat intelligence system and method

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63161538A (ja) * 1986-12-24 1988-07-05 Nikon Corp 情報記録再生装置のトラツキング制御装置
JPH0738256B2 (ja) * 1987-07-31 1995-04-26 キヤノン株式会社 オ−トトラッキング制御装置
US5138594A (en) * 1990-04-20 1992-08-11 International Business Machines Corporation Reducing amplitude variations of optical disk readback signals and increasing reliability of track-crossing counts
JPH0460974A (ja) * 1990-06-26 1992-02-26 Pioneer Electron Corp トラッキングサーボ装置
DE69421785T2 (de) * 1993-09-28 2000-05-11 Sony Corp., Tokio/Tokyo Gerät zum Messen der Exzentrizität einer Scheibe, Verfahren dazu und Aufzeichnungs- und/oder Wiedergabegerät für scheibenförmiges Aufzeichnungsmedium
JP3075116B2 (ja) * 1994-12-27 2000-08-07 松下電器産業株式会社 ディスク装置のトラッキング制御装置
JP3129629B2 (ja) * 1995-04-03 2001-01-31 シャープ株式会社 光ディスク装置
KR0176888B1 (ko) * 1996-01-24 1999-04-15 구자홍 광디스크 기록재생기의 서보 제어 장치
KR0176920B1 (ko) * 1996-05-27 1999-04-15 구자홍 광디스크 기록/재생기의 슬레드 제어장치 및 방법
JPH10112043A (ja) * 1996-10-04 1998-04-28 Sony Corp 再生装置
JP3463975B2 (ja) * 1997-10-22 2003-11-05 ティアック株式会社 デ−タ再生方法及び装置
SG90024A1 (en) 1997-10-31 2002-07-23 Sony Prec Engineering Ct S Pte Apparatus and method for measuring characteristics of optical pickup and/or optical disc
KR100312615B1 (ko) * 1999-01-23 2001-11-03 구자홍 광디스크 재생/기록기의 서보제어방법 및 장치
US6633520B1 (en) * 1999-06-14 2003-10-14 Oak Technology, Inc. Method and apparatus for searching in a disk drive
KR100630006B1 (ko) * 2000-01-26 2006-09-28 엘지전자 주식회사 광기록재생기의 트래킹 제어방법
JP2002208149A (ja) * 2000-11-08 2002-07-26 Sony Computer Entertainment Inc 光ディスク装置、その制御方法、およびこの制御方法をコンピュータに実行させるプログラム

Also Published As

Publication number Publication date
US7016272B2 (en) 2006-03-21
WO2002039436A1 (fr) 2002-05-16
TW577050B (en) 2004-02-21
CN1251197C (zh) 2006-04-12
KR20030078859A (ko) 2003-10-08
EP1333433A1 (de) 2003-08-06
US20030012095A1 (en) 2003-01-16
DE60140885D1 (de) 2010-02-04
CN1473326A (zh) 2004-02-04
KR100800701B1 (ko) 2008-02-01
EP1333433A4 (de) 2007-09-12
JP4551597B2 (ja) 2010-09-29
JP2002208154A (ja) 2002-07-26
EP1333433B1 (de) 2009-12-23
AU2002224016A1 (en) 2002-05-21

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