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DE60029177T8 - Informationsaufzeichnungsgerät und Informationswiedergabegerät - Google Patents

Informationsaufzeichnungsgerät und Informationswiedergabegerät Download PDF

Info

Publication number
DE60029177T8
DE60029177T8 DE60029177T DE60029177T DE60029177T8 DE 60029177 T8 DE60029177 T8 DE 60029177T8 DE 60029177 T DE60029177 T DE 60029177T DE 60029177 T DE60029177 T DE 60029177T DE 60029177 T8 DE60029177 T8 DE 60029177T8
Authority
DE
Germany
Prior art keywords
information
information recording
recording device
reproducing device
information reproducing
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 - Fee Related
Application number
DE60029177T
Other languages
English (en)
Other versions
DE60029177T2 (de
DE60029177D1 (de
Inventor
Yoshitaka Tokorozawa Koujou Tokorozawa-shi Shimoda
Masayoshi Tokorozawa Koujou Tokorozawa-shi Yoshida
Shinichi Tokorozawa Koujou Tokorozawa-shi Nagahara
Tsuyoshi Tokorozawa Koujou Tokorozawa-shi Hasebe
Motoji Tokorozawa Koujou Tokorozawa-shi Nakamura
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 DE60029177D1 publication Critical patent/DE60029177D1/de
Publication of DE60029177T2 publication Critical patent/DE60029177T2/de
Publication of DE60029177T8 publication Critical patent/DE60029177T8/de
Expired - Fee Related 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
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1353—Diffractive elements, e.g. holograms or gratings
    • 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
    • G11B7/08517—Methods for track change, selection or preliminary positioning by moving the head with tracking pull-in 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
    • G11B7/085—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
    • G11B7/09—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
    • 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
    • G11B7/08529—Methods and circuits to control the velocity of the head as it traverses the 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
    • G11B7/09—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
    • G11B7/095—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
    • G11B7/09—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)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
DE60029177T 1999-10-12 2000-10-06 Informationsaufzeichnungsgerät und Informationswiedergabegerät Expired - Fee Related DE60029177T8 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP29022599 1999-10-12
JP29022599A JP4001196B2 (ja) 1999-10-12 1999-10-12 情報記録装置及び情報再生装置

Publications (3)

Publication Number Publication Date
DE60029177D1 DE60029177D1 (de) 2006-08-17
DE60029177T2 DE60029177T2 (de) 2007-01-18
DE60029177T8 true DE60029177T8 (de) 2007-05-03

Family

ID=17753385

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60029177T Expired - Fee Related DE60029177T8 (de) 1999-10-12 2000-10-06 Informationsaufzeichnungsgerät und Informationswiedergabegerät

Country Status (4)

Country Link
US (1) US6894955B1 (de)
EP (1) EP1093119B1 (de)
JP (1) JP4001196B2 (de)
DE (1) DE60029177T8 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003045051A (ja) * 2001-07-31 2003-02-14 Pioneer Electronic Corp 情報記録再生装置
JP4004916B2 (ja) * 2002-10-21 2007-11-07 パイオニア株式会社 チルト角度検出装置及び方法
JP2006511006A (ja) * 2002-12-18 2006-03-30 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 光学ピックアップ装置
KR20080021052A (ko) * 2005-05-31 2008-03-06 코닌클리케 필립스 일렉트로닉스 엔.브이. 광학계
JP2008542960A (ja) * 2005-05-31 2008-11-27 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ ガードバンド間の多数のトラックをピックアップする光データ記録／再生システム
CN102193819B (zh) * 2010-08-03 2013-01-23 北京航空航天大学 一种抗单点噪声的光斑中心定位方法及装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01171129A (ja) 1987-12-25 1989-07-06 Copal Co Ltd 光学ヘッド及びトラッキング方法
JPH01302543A (ja) 1988-02-26 1989-12-06 Fujitsu Ltd トラッキングエラー検知方法とその検知方法に使用する回折格子・光検知器
JPH04313819A (ja) * 1991-01-30 1992-11-05 Pioneer Electron Corp 光スポット位置検出装置
KR950010418B1 (ko) * 1991-08-28 1995-09-16 미쯔비시덴끼 가부시끼가이샤 광기록재생장치
JPH05101420A (ja) * 1991-10-09 1993-04-23 Olympus Optical Co Ltd 光ピツクアツプ装置
JPH0896387A (ja) 1994-09-27 1996-04-12 Canon Inc 光学的情報記録再生装置
JP3410869B2 (ja) * 1995-04-11 2003-05-26 株式会社リコー 光ピックアップ装置
JPH10149564A (ja) * 1996-11-15 1998-06-02 Teac Corp 光ピックアップ装置及びトラッキングエラー検出方法
JP3063707B2 (ja) * 1997-10-30 2000-07-12 日本電気株式会社 光ヘッド装置
JP3560805B2 (ja) * 1998-03-20 2004-09-02 パイオニア株式会社 光ピックアップ
JP2000003525A (ja) * 1998-06-12 2000-01-07 Sony Corp 信号生成方法、光学式ディスク記録再生装置に用いる信号生成方法、信号生成方法を用いた光ピックアップ、この光ピックアップを有する光学式ディスク記録再生装置

Also Published As

Publication number Publication date
DE60029177T2 (de) 2007-01-18
EP1093119B1 (de) 2006-07-05
JP4001196B2 (ja) 2007-10-31
JP2001110071A (ja) 2001-04-20
EP1093119A2 (de) 2001-04-18
DE60029177D1 (de) 2006-08-17
EP1093119A3 (de) 2003-12-10
US6894955B1 (en) 2005-05-17

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8381 Inventor (new situation)

Inventor name: SHIMODA, YOSHITAKA, TOKOROZAWA KOUJOU, TOKOROZ, JP

Inventor name: YOSHIDA, MASAYOSHI, TOKOROZAWA KOUJOU, TOKOROZ, JP

Inventor name: NAGAHARA, SHINICHI, TOKOROZAWA KOUJOU, TOKOROZ, JP

Inventor name: HASEBE, TSUYOSHI, TOKOROZAWA KOUJOU, TOKOROZAW, JP

Inventor name: NAKAMURA, MOTOJI, TOKOROZAWA KOUJOU, TOKOROZAW, JP

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee