DE60123365D1 - Vorrichtung und Verfahren zur Steuerung eines Neigungsservos - Google Patents

Vorrichtung und Verfahren zur Steuerung eines Neigungsservos

Info

Publication number
DE60123365D1
DE60123365D1 DE60123365T DE60123365T DE60123365D1 DE 60123365 D1 DE60123365 D1 DE 60123365D1 DE 60123365 T DE60123365 T DE 60123365T DE 60123365 T DE60123365 T DE 60123365T DE 60123365 D1 DE60123365 D1 DE 60123365D1
Authority
DE
Germany
Prior art keywords
controlling
tilt servo
servo
tilt
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 - Lifetime
Application number
DE60123365T
Other languages
English (en)
Other versions
DE60123365T2 (de
Inventor
Naoharu Yanagawa
Masahiro Kato
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.)
Pioneer Corp
Original Assignee
Pioneer 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 Pioneer Corp filed Critical Pioneer Corp
Application granted granted Critical
Publication of DE60123365D1 publication Critical patent/DE60123365D1/de
Publication of DE60123365T2 publication Critical patent/DE60123365T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/13—Optical detectors therefor
    • G11B7/131—Arrangement of detectors in a multiple array
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
    • G11B7/1267—Power calibration
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1365—Separate or integrated refractive elements, e.g. wave plates
    • G11B7/1369—Active plates, e.g. liquid crystal panels or electrostrictive elements
    • 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
    • G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
DE60123365T 2000-12-01 2001-11-30 Vorrichtung und Verfahren zur Steuerung eines Neigungsservos Expired - Lifetime DE60123365T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000367304 2000-12-01
JP2000367304A JP2002170265A (ja) 2000-12-01 2000-12-01 チルトサーボ制御装置及び方法

Publications (2)

Publication Number Publication Date
DE60123365D1 true DE60123365D1 (de) 2006-11-09
DE60123365T2 DE60123365T2 (de) 2007-08-23

Family

ID=18837751

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60123365T Expired - Lifetime DE60123365T2 (de) 2000-12-01 2001-11-30 Vorrichtung und Verfahren zur Steuerung eines Neigungsservos

Country Status (4)

Country Link
US (1) US6925039B2 (de)
EP (1) EP1213712B1 (de)
JP (1) JP2002170265A (de)
DE (1) DE60123365T2 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3915320B2 (ja) * 1999-06-02 2007-05-16 株式会社日立製作所 情報記録装置及び情報記録方法
JP2004022127A (ja) * 2002-06-19 2004-01-22 Pioneer Electronic Corp チルト補正装置
JP2004146031A (ja) * 2002-08-28 2004-05-20 Sharp Corp 半導体レーザ装置および光ピックアップ装置
JP3975139B2 (ja) * 2002-08-30 2007-09-12 パイオニア株式会社 チルト補正装置及びチルト補正方法
TWI298156B (en) * 2002-10-24 2008-06-21 Tian Holdings Llc Discrimination method for light storage device
TWI229858B (en) * 2002-11-29 2005-03-21 Lite On It Corp Adjustment system and method of optical disk drive
TWI227885B (en) * 2002-12-24 2005-02-11 Lite On It Corp Adjustment system of compact disc player using screen for display and method thereof
JP4097257B2 (ja) 2003-01-31 2008-06-11 株式会社リコー チルト補正方法、チルト補正装置及び光ディスク装置
JP3947875B2 (ja) 2003-03-10 2007-07-25 日本電気株式会社 光ディスク媒体及び光ディスク記録再生方法
CN100412972C (zh) * 2003-09-15 2008-08-20 宇田控股有限公司 光盘片格式的辨识方法
US7729226B2 (en) * 2003-10-06 2010-06-01 Ricoh Company, Ltd. Wavefront aberration compensation element, optical pickup, and optical disk apparatus
US7916588B2 (en) 2003-10-20 2011-03-29 Panasonic Corporation Control apparatus, control method, access apparatus, access method, program, and write-once recording medium
US20050226114A1 (en) 2004-03-31 2005-10-13 Stanley Liow Method and apparatus for generating absolute time in pregroove data
JP4536478B2 (ja) * 2004-02-18 2010-09-01 株式会社リコー 光記録媒体チルト補償装置及びチルト補償方法とこれを用いる光記録装置及び光再生装置
US7626907B2 (en) * 2004-05-25 2009-12-01 Ricky Chang Method and apparatus for determining type of digital versatile disc
US7746745B2 (en) * 2004-05-25 2010-06-29 Ricky Chang Method for determining the type of digital versatile disc
US7570561B2 (en) * 2004-05-25 2009-08-04 Bryan Tai Method for determining type of digital versatile discs
KR100532612B1 (ko) 2004-06-18 2005-12-01 삼성전자주식회사 광디스크 판별 오류시 재생모드 변경방법 및 장치
KR20070044044A (ko) * 2004-08-06 2007-04-26 코닌클리케 필립스 일렉트로닉스 엔.브이. 광 저장 시스템에서의 틸트 보상방법 및 장치
KR100667764B1 (ko) * 2004-10-08 2007-01-12 삼성전자주식회사 광 기록 매체, 기록/재생 방법 및 기록/재생 장치
JP4234109B2 (ja) * 2004-10-18 2009-03-04 株式会社リコー 光ピックアップ装置とこれを用いる情報記録装置
EP2048662B1 (de) * 2006-08-03 2018-01-10 Panasonic Intellectual Property Management Co., Ltd. Aufzeichnungmedium, datenaufzeichnungsvorrichtung, datenwiedergabevorrichtung und datenaufzeichnungsverfahren

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0758559B2 (ja) * 1988-09-02 1995-06-21 シャープ株式会社 光ピックアップ装置
JP2866160B2 (ja) 1990-07-19 1999-03-08 パイオニア株式会社 光学式ディスクプレーヤ
JP2998807B2 (ja) * 1990-07-19 2000-01-17 パイオニア株式会社 光学式ディスクプレーヤ
JP3161891B2 (ja) * 1993-11-16 2001-04-25 松下電器産業株式会社 ディスクチルト検出装置およびディスクチルト補正装置
JPH09212891A (ja) * 1995-11-27 1997-08-15 Ricoh Co Ltd 光学ヘッド装置
JP3176544B2 (ja) * 1995-12-13 2001-06-18 株式会社日立製作所 光ディスク装置
JP3538520B2 (ja) * 1997-04-16 2004-06-14 パイオニア株式会社 収差補正用液晶パネル、光ピックアップ及び情報再生装置
JP3688482B2 (ja) * 1998-10-29 2005-08-31 パイオニア株式会社 傾斜検出装置
JP4023012B2 (ja) 1998-11-10 2007-12-19 ソニー株式会社 光ディスク傾き検出方法、光学ピックアップ装置および光ディスク装置
JP3384393B2 (ja) * 1999-12-15 2003-03-10 日本電気株式会社 光ヘッド装置及び光学式情報記録再生装置並びにラジアルチルト検出方法
JP3456579B2 (ja) * 2000-04-20 2003-10-14 日本電気株式会社 光ヘッド装置および光学式情報記録再生装置

Also Published As

Publication number Publication date
JP2002170265A (ja) 2002-06-14
US20020071364A1 (en) 2002-06-13
EP1213712A3 (de) 2004-09-08
DE60123365T2 (de) 2007-08-23
EP1213712A2 (de) 2002-06-12
EP1213712B1 (de) 2006-09-27
US6925039B2 (en) 2005-08-02

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition