AU2002210921A1 - Optical pickup position control method - Google Patents

Optical pickup position control method

Info

Publication number
AU2002210921A1
AU2002210921A1 AU2002210921A AU1092102A AU2002210921A1 AU 2002210921 A1 AU2002210921 A1 AU 2002210921A1 AU 2002210921 A AU2002210921 A AU 2002210921A AU 1092102 A AU1092102 A AU 1092102A AU 2002210921 A1 AU2002210921 A1 AU 2002210921A1
Authority
AU
Australia
Prior art keywords
control method
optical pickup
position control
pickup position
optical
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.)
Abandoned
Application number
AU2002210921A
Other languages
English (en)
Inventor
Hiroshi Ohtsu
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 Interactive Entertainment Inc
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
Publication of AU2002210921A1 publication Critical patent/AU2002210921A1/en
Abandoned 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
    • G11B7/0948—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 detection and avoidance or compensation of imperfections on the carrier, e.g. dust, scratches, dropouts
    • 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
    • G11B7/0945—Methods for initialising servos, start-up sequences
    • 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
    • G11B7/0946—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 operation during external perturbations not related to the carrier or servo beam, e.g. vibration
    • 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
    • G11B7/09—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
    • G11B7/0908—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 focusing only
    • 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
    • G11B7/094—Methods and circuits for servo offset compensation
AU2002210921A 2000-10-23 2001-10-23 Optical pickup position control method Abandoned AU2002210921A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000323105A JP4176948B2 (ja) 2000-10-23 2000-10-23 光学ピックアップの位置制御方法
JP2000-323105 2000-10-23
PCT/JP2001/009288 WO2002035535A2 (en) 2000-10-23 2001-10-23 Optical pickup position control method

Publications (1)

Publication Number Publication Date
AU2002210921A1 true AU2002210921A1 (en) 2002-05-06

Family

ID=18800853

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002210921A Abandoned AU2002210921A1 (en) 2000-10-23 2001-10-23 Optical pickup position control method

Country Status (6)

Country Link
US (1) US6845067B2 (ja)
EP (1) EP1330821A2 (ja)
JP (1) JP4176948B2 (ja)
AU (1) AU2002210921A1 (ja)
TW (1) TW556177B (ja)
WO (1) WO2002035535A2 (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040053270A (ko) * 2001-11-07 2004-06-23 코닌클리케 필립스 일렉트로닉스 엔.브이. 광학장치와 광학재생장치
TW591619B (en) * 2002-01-28 2004-06-11 Mediatek Inc Optical recording and reproducing apparatus and tilt adjusting and controlling method for the same
KR100457518B1 (ko) * 2002-05-07 2004-11-17 삼성전자주식회사 틸트 보정 장치 및 방법
KR100472447B1 (ko) * 2002-05-13 2005-03-08 삼성전자주식회사 틸트 보정 장치 및 방법
KR100457519B1 (ko) * 2002-05-17 2004-11-17 삼성전자주식회사 틸트 보정 장치 및 방법
KR20040009799A (ko) * 2002-07-25 2004-01-31 삼성전자주식회사 지터 궤환을 이용한 틸트 보정 방법 및 그 장치
TWI259463B (en) * 2003-10-24 2006-08-01 Lite On It Corp A tilt correction method
US7382353B2 (en) * 2004-11-18 2008-06-03 International Business Machines Corporation Changing a function of a device based on tilt of the device for longer than a time period
KR100728012B1 (ko) * 2005-11-10 2007-06-13 삼성전자주식회사 틸트 보상 방법 및 틸트 보상 장치
US7194364B1 (en) * 2006-01-13 2007-03-20 Delphi Technologies, Inc. Method of analyzing a digital media by a digital media player
WO2008001317A2 (en) * 2006-06-29 2008-01-03 Koninklijke Philips Electronics N.V. Device and method for retrieving information
JP2009301593A (ja) * 2006-10-05 2009-12-24 Panasonic Corp 光ディスク制御装置
US7969847B2 (en) * 2007-01-16 2011-06-28 Sanyo Electric Co., Ltd. Disc apparatus
JP4518138B2 (ja) * 2007-11-30 2010-08-04 船井電機株式会社 光ディスク再生装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4611287A (en) * 1982-08-16 1986-09-09 Nissan Motor Company, Limited Fuel volume measuring system for automotive vehicle
JP3489271B2 (ja) * 1995-06-16 2004-01-19 ソニー株式会社 ディスク駆動装置および傾き調整方法
JP3465413B2 (ja) * 1995-06-16 2003-11-10 ソニー株式会社 光ディスク駆動装置およびフォーカス制御方法
JP3510015B2 (ja) 1995-09-11 2004-03-22 株式会社日立製作所 光ディスク記録再生装置
JP3678509B2 (ja) 1996-09-04 2005-08-03 クラリオン株式会社 フォーカスサーボ回路
JPH10134372A (ja) * 1996-10-31 1998-05-22 Sony Corp 再生装置および方法
TW382703B (en) * 1997-03-14 2000-02-21 Hitachi Ltd Signal recording method, phase difference detecting circuit, and information apparatus
JPH11283256A (ja) 1998-03-30 1999-10-15 Nippon Columbia Co Ltd 担体再生装置及びフォーカスバイアス自動調整方法
JPH11316959A (ja) 1998-05-08 1999-11-16 Sony Corp 光ディスク装置及びフォーカスバイアスの設定方法
JP2000149282A (ja) 1998-11-12 2000-05-30 Clarion Co Ltd フォーカスサーボ回路
JP2000293875A (ja) 1999-04-07 2000-10-20 Sony Corp 光ディスク装置
JP2001110059A (ja) * 1999-10-05 2001-04-20 Yamaha Corp 光ディスク再生方法および光ディスク再生装置
JP2001176093A (ja) 1999-12-10 2001-06-29 Matsushita Electric Ind Co Ltd フォーカス最適位置検出方法およびフォーカス最適位置検出装置

Also Published As

Publication number Publication date
WO2002035535A3 (en) 2002-08-08
US20020054549A1 (en) 2002-05-09
WO2002035535A2 (en) 2002-05-02
US6845067B2 (en) 2005-01-18
JP2002133685A (ja) 2002-05-10
EP1330821A2 (en) 2003-07-30
JP4176948B2 (ja) 2008-11-05
TW556177B (en) 2003-10-01

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