AU581265B2 - Tracking error detecting system for optical head - Google Patents

Tracking error detecting system for optical head

Info

Publication number
AU581265B2
AU581265B2 AU49629/85A AU4962985A AU581265B2 AU 581265 B2 AU581265 B2 AU 581265B2 AU 49629/85 A AU49629/85 A AU 49629/85A AU 4962985 A AU4962985 A AU 4962985A AU 581265 B2 AU581265 B2 AU 581265B2
Authority
AU
Australia
Prior art keywords
tracking error
pct
pair
record medium
outputs
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
Application number
AU49629/85A
Other languages
English (en)
Other versions
AU4962985A (en
Inventor
Kiyoshi Ohsato
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of AU4962985A publication Critical patent/AU4962985A/en
Application granted granted Critical
Publication of AU581265B2 publication Critical patent/AU581265B2/en
Anticipated expiration legal-status Critical
Expired legal-status Critical Current

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
    • 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
    • G11B7/0901—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 for track following only
    • G11B7/0903—Multi-beam tracking systems
    • 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
    • G11B7/0943—Methods and circuits for performing mathematical operations on individual detector segment outputs
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Optical Recording Or Reproduction (AREA)
AU49629/85A 1984-10-15 1985-10-03 Tracking error detecting system for optical head Expired AU581265B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP59215860A JPS6194246A (ja) 1984-10-15 1984-10-15 光学式ヘッドのトラッキング誤差検出方法
JP59-215860 1984-10-15

Publications (2)

Publication Number Publication Date
AU4962985A AU4962985A (en) 1986-05-02
AU581265B2 true AU581265B2 (en) 1989-02-16

Family

ID=16679469

Family Applications (1)

Application Number Title Priority Date Filing Date
AU49629/85A Expired AU581265B2 (en) 1984-10-15 1985-10-03 Tracking error detecting system for optical head

Country Status (9)

Country Link
US (1) US4775968A (en, 2012)
EP (1) EP0201603B1 (en, 2012)
JP (1) JPS6194246A (en, 2012)
KR (1) KR930005784B1 (en, 2012)
CN (1) CN1005368B (en, 2012)
AT (1) ATE59725T1 (en, 2012)
AU (1) AU581265B2 (en, 2012)
DE (1) DE3581078D1 (en, 2012)
WO (1) WO1986002479A1 (en, 2012)

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JPS63142531A (ja) * 1986-12-05 1988-06-14 Sony Corp 光デイスク情報記録再生装置のサ−ボ回路
JPH0834005B2 (ja) * 1986-12-23 1996-03-29 日本コロムビア株式会社 光デイスク装置
DE68923833T2 (de) * 1988-06-20 1996-06-13 Mitsubishi Electric Corp Optischer Kopf mit Kippkorrekturservomechanismus.
JP2614504B2 (ja) * 1988-11-30 1997-05-28 日本電気ホームエレクトロニクス株式会社 トラッキングエラー検出方法
JPH0296618U (en, 2012) * 1989-01-17 1990-08-01
JP2684763B2 (ja) * 1989-04-24 1997-12-03 ソニー株式会社 光学記録および／または再生装置
JPH035927A (ja) * 1989-06-01 1991-01-11 Sony Corp 光学記録および／または再生装置
JPH0354733A (ja) * 1989-07-21 1991-03-08 Sony Corp 光学記録および／または再生装置
JPH0354737A (ja) * 1989-07-24 1991-03-08 Sony Corp 光学記録および／または再生装置
JPH0383226A (ja) * 1989-08-25 1991-04-09 Sony Corp 記録媒体
JPH0411332A (ja) * 1990-04-27 1992-01-16 Nec Corp 光ディスク装置
JP2870127B2 (ja) * 1990-05-31 1999-03-10 ソニー株式会社 トラッキング制御方法
JPH0447532A (ja) * 1990-06-15 1992-02-17 Mitsubishi Electric Corp 光学式ヘッド
EP0468685B1 (en) * 1990-07-24 1997-09-24 Canon Kabushiki Kaisha Optical information recording-reproducing apparatus
US5150348A (en) * 1990-12-10 1992-09-22 Mitsubishi Denki Kabushiki Kaisha Tracking servo utilizing beam splitter
US5367512A (en) * 1991-04-02 1994-11-22 Mitsubishi Denki Kabushiki Kaisha Multi-beam optical recording-reproduction device with independent error detection for each beam
US5173598A (en) * 1991-05-10 1992-12-22 U.S. Philips Corporation Optical scanning beam position control system which is free of modulation by tracking error
KR950010418B1 (ko) * 1991-08-28 1995-09-16 미쯔비시덴끼 가부시끼가이샤 광기록재생장치
US5453962A (en) * 1992-08-20 1995-09-26 Mitsubishi Denki Kabushiki Kaisha Focus error detecting device
JPH0896387A (ja) 1994-09-27 1996-04-12 Canon Inc 光学的情報記録再生装置
US5519679A (en) * 1994-10-12 1996-05-21 Eastman Kodak Company Apparatus and method for multi-spot sampled tracking in an optical data storage system
US5602693A (en) * 1994-12-14 1997-02-11 Micropolis (S) Pte Ltd. Method and apparatus for sensing position in a disk drive
DE69634616T2 (de) * 1995-02-20 2006-03-02 Mitsubishi Denki K.K. Objektivlinsenantriebsvorrichtung und optische Informationsaufzeichnungs-/-wiedergabevorrichtung
US5777960A (en) * 1995-05-09 1998-07-07 Ricoh Company, Ltd. Optical head device including fixed and movable deflection means
JPH0917029A (ja) * 1995-06-26 1997-01-17 Pioneer Electron Corp 光ディスクとその読取装置および光ディスク製造方法
US6009054A (en) * 1995-07-10 1999-12-28 Matsushita Electric Industrial Co., Ltd. Information recording medium and tracking error signal detection apparatus and magnetic recording apparatus and method of adjusting the magnetic recording apparatus
DE69635395T2 (de) * 1995-07-10 2006-05-24 Matsushita Electric Industrial Co., Ltd., Kadoma Gerät zur Detektion eines Spursuchsignales und magnetisches Aufzeichnungsgerät
US6728192B1 (en) 1995-07-10 2004-04-27 Matsushita Electric Industrial Co., Ltd. Tracking error signal detection system for optical recording medium
JP3549301B2 (ja) * 1995-09-08 2004-08-04 三菱電機株式会社 光ヘッドのトラッキング誤差検出装置
TW336311B (en) * 1997-10-15 1998-07-11 Ind Tech Res Inst Method and device for focusing and tracking of an optical head
JP2000030288A (ja) * 1998-07-08 2000-01-28 Pioneer Electron Corp 光ピックアップ素子
US6111828A (en) * 1999-01-12 2000-08-29 Siros Technologies, Inc. Focus error signal generation using confocally filtered detection
US6256271B1 (en) 1999-01-12 2001-07-03 Siros Technologies, Inc. Focus error signal generation using two polarizers in confocal configuration
US6322933B1 (en) 1999-01-12 2001-11-27 Siros Technologies, Inc. Volumetric track definition for data storage media used to record data by selective alteration of a format hologram
US6269057B1 (en) 1999-01-12 2001-07-31 Siros Technologies, Inc. Focus error signal generation using a birefringent lens with confocal detection
US6288986B1 (en) 1999-01-12 2001-09-11 Siros Technologies, Inc. Focus error signal generation using a birefringent plate with confocal detection
US6563779B1 (en) 1999-06-16 2003-05-13 Siros Technologies, Inc. Tracking error signal generation using confocally filtered detection
US6322931B1 (en) 1999-07-29 2001-11-27 Siros Technologies, Inc. Method and apparatus for optical data storage using non-linear heating by excited state absorption for the alteration of pre-formatted holographic gratings
US6512606B1 (en) 1999-07-29 2003-01-28 Siros Technologies, Inc. Optical storage media and method for optical data storage via local changes in reflectivity of a format grating
US6310850B1 (en) 1999-07-29 2001-10-30 Siros Technologies, Inc. Method and apparatus for optical data storage and/or retrieval by selective alteration of a holographic storage medium
JP2001176106A (ja) * 1999-12-20 2001-06-29 Pioneer Electronic Corp ピックアップ装置とそのピックアップ装置を備えた情報記録再生装置
US6940676B1 (en) * 2000-06-07 2005-09-06 Quantum Corporation Triple push-pull optical tracking system
DE10062078A1 (de) 2000-12-13 2002-06-20 Thomson Brandt Gmbh Verfahren zum Erzeugen eines Linsenpositionssignals sowie entsprechendes Gerät zum Lesen und/oder Beschreiben eines optischen Aufzeichnungsträgers
JP2003016666A (ja) * 2001-04-24 2003-01-17 Sony Corp 光学ピックアップ装置、光ディスク装置およびトラッキング制御方法
JP4106208B2 (ja) 2001-10-04 2008-06-25 シャープ株式会社 光ピックアップ装置
JP4151313B2 (ja) 2002-06-03 2008-09-17 株式会社日立製作所 光再生装置
JP3799318B2 (ja) * 2002-10-22 2006-07-19 株式会社日立製作所 光ピックアップおよびそれを用いた光学的情報記録装置または再生装置
JP2004253111A (ja) * 2003-01-31 2004-09-09 Sharp Corp 光ピックアップ装置
US7242648B2 (en) 2003-04-28 2007-07-10 Matsushita Electric Industrial Co., Ltd. Tracking error signal generation device, optical disc apparatus, tracking error signal generation method and tracking control method
JP4379209B2 (ja) * 2004-06-07 2009-12-09 ソニー株式会社 光ヘッド装置、記録再生装置、トラッキングエラー信号生成方法
JP4180073B2 (ja) 2005-07-28 2008-11-12 シャープ株式会社 光ピックアップ装置
JP4479645B2 (ja) * 2005-11-07 2010-06-09 ソニー株式会社 トラッキングエラー検出方法、トラッキングエラー検出装置及び光記録再生装置
JP2008004250A (ja) * 2006-05-24 2008-01-10 Sony Corp 光ディスク装置及び光ピックアップ
JP4444947B2 (ja) 2006-12-18 2010-03-31 パナソニック株式会社 光ピックアップ装置
JP4106072B1 (ja) * 2006-12-18 2008-06-25 松下電器産業株式会社 光ピックアップ装置
JP4444977B2 (ja) 2007-02-01 2010-03-31 パナソニック株式会社 光ピックアップ装置
US7995433B2 (en) 2007-05-30 2011-08-09 Mitsubishi Electric Corporation Optical head apparatus and optical disc apparatus
JP2009158042A (ja) * 2007-12-27 2009-07-16 Panasonic Corp 光ピックアップ装置及び光検出器
JP4805292B2 (ja) 2008-02-08 2011-11-02 シャープ株式会社 光ピックアップ装置、再生装置、記録装置およびトラッキングエラー信号生成方法
JP2010272197A (ja) 2009-04-23 2010-12-02 Panasonic Corp 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
JP2011014225A (ja) 2009-06-05 2011-01-20 Panasonic Corp 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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1434834A (en) * 1972-05-11 1976-05-05 Philips Electronic Associated Track reading apparatus
US4338682A (en) * 1979-10-16 1982-07-06 Toshihiko Hosaka Tracking servo system of video disc player

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Patent Citations (2)

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GB1434834A (en) * 1972-05-11 1976-05-05 Philips Electronic Associated Track reading apparatus
US4338682A (en) * 1979-10-16 1982-07-06 Toshihiko Hosaka Tracking servo system of video disc player

Also Published As

Publication number Publication date
CN85107597A (zh) 1986-06-10
DE3581078D1 (de) 1991-02-07
US4775968A (en) 1988-10-04
KR880700395A (ko) 1988-03-15
EP0201603A1 (en) 1986-11-20
WO1986002479A1 (en) 1986-04-24
EP0201603B1 (en) 1991-01-02
CN1005368B (zh) 1989-10-04
EP0201603A4 (en) 1988-01-28
AU4962985A (en) 1986-05-02
ATE59725T1 (de) 1991-01-15
JPS6194246A (ja) 1986-05-13
KR930005784B1 (ko) 1993-06-24
JPH0434212B2 (en, 2012) 1992-06-05

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