DE60209946D1 - Schwankungserfassungsschaltung und optische Plattenvorrichtung - Google Patents

Schwankungserfassungsschaltung und optische Plattenvorrichtung

Info

Publication number
DE60209946D1
DE60209946D1 DE60209946T DE60209946T DE60209946D1 DE 60209946 D1 DE60209946 D1 DE 60209946D1 DE 60209946 T DE60209946 T DE 60209946T DE 60209946 T DE60209946 T DE 60209946T DE 60209946 D1 DE60209946 D1 DE 60209946D1
Authority
DE
Germany
Prior art keywords
detection circuit
optical disk
disk device
vibration detection
vibration
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
DE60209946T
Other languages
English (en)
Other versions
DE60209946T2 (de
Inventor
Hiroshi Maegawa
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of DE60209946D1 publication Critical patent/DE60209946D1/de
Application granted granted Critical
Publication of DE60209946T2 publication Critical patent/DE60209946T2/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
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/24—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by sensing features on the record carrier other than the transducing track ; sensing signals or marks recorded by another method than the main recording
    • 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
    • G11B7/005—Reproducing
    • 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
    • G11B7/005—Reproducing
    • G11B7/0053—Reproducing non-user data, e.g. wobbled address, prepits, BCA
    • 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
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
    • G11B2220/215—Recordable discs
    • G11B2220/216—Rewritable discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
    • G11B2220/215—Recordable discs
    • G11B2220/218—Write-once discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2545—CDs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
    • G11B2220/2575—DVD-RAMs
    • 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
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B7/00718—Groove and land recording, i.e. user data recorded both in the grooves and on the lands

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
DE60209946T 2001-03-21 2002-03-20 Schwankungserfassungsschaltung und optische Plattenvorrichtung Expired - Lifetime DE60209946T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001081152A JP2002279640A (ja) 2001-03-21 2001-03-21 ウォブル検出回路とその装置
JP2001081152 2001-03-21

Publications (2)

Publication Number Publication Date
DE60209946D1 true DE60209946D1 (de) 2006-05-11
DE60209946T2 DE60209946T2 (de) 2006-12-28

Family

ID=18937306

Family Applications (2)

Application Number Title Priority Date Filing Date
DE60209946T Expired - Lifetime DE60209946T2 (de) 2001-03-21 2002-03-20 Schwankungserfassungsschaltung und optische Plattenvorrichtung
DE60220208T Expired - Lifetime DE60220208T2 (de) 2001-03-21 2002-03-20 Wobbelerfassungsschaltung und optische Plattenvorrichtung

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE60220208T Expired - Lifetime DE60220208T2 (de) 2001-03-21 2002-03-20 Wobbelerfassungsschaltung und optische Plattenvorrichtung

Country Status (5)

Country Link
US (2) US6888783B2 (de)
EP (2) EP1244099B1 (de)
JP (1) JP2002279640A (de)
DE (2) DE60209946T2 (de)
ES (2) ES2286205T3 (de)

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JP4300727B2 (ja) 2001-10-09 2009-07-22 ソニー株式会社 ディスク記録媒体、ディスクドライブ装置、再生方法、ディスク製造方法
JP3566690B2 (ja) 2001-12-07 2004-09-15 株式会社リコー ウォブル信号検出回路及び光ディスク装置
EP1388850A1 (de) * 2002-08-06 2004-02-11 Deutsche Thomson-Brandt GmbH Methode zur Erfassung eines Wobblesignals
US7474603B2 (en) * 2002-09-04 2009-01-06 Ricoh Company, Ltd. Optical information recording method, apparatus, and medium, laser control circuit, wobble signal detection method, and servo signal detection method
JP2004342158A (ja) * 2003-05-13 2004-12-02 Pioneer Electronic Corp 記録媒体判別装置、情報再生装置および情報記録装置
EP1662488A1 (de) 2003-09-02 2006-05-31 Ricoh Company, Ltd. Gegentakt-signalerzeugungseinrichtung und optische disc-einrichtung
US7317667B2 (en) * 2003-10-31 2008-01-08 Matsushita Electric Industrial Co., Ltd. Wobble signal extraction circuit and optical disk device
US7706242B2 (en) * 2004-02-25 2010-04-27 Ricoh Company, Ltd. Optical disk, signal generation method, clock signal generation method, and optical disk device
US7633846B2 (en) * 2004-03-15 2009-12-15 Ricoh Company, Ltd. Multi-level information reproducing method, multi-level information recording medium, multi-level information waveform equalizing device, multi-level information reproducing apparatus, multi-level information recording apparatus, signal processing method, reproduced signal processing circuit and optical disk apparatus
JP4247261B2 (ja) 2006-09-28 2009-04-02 東芝サムスン ストレージ・テクノロジー株式会社 光ディスク装置
JP2009129520A (ja) * 2007-11-26 2009-06-11 Taiyo Yuden Co Ltd 光情報記録媒体及び光情報記録媒体への情報記録方法並びに光情報記録装置
WO2009099161A1 (ja) * 2008-02-06 2009-08-13 Nec Corporation ウォブル有無判定装置、媒体判別装置、ウォブル有無判定方法および媒体判別方法
TW200942243A (en) 2008-03-05 2009-10-16 Biocryst Pharm Inc Antiviral therapeutic agents
US8436504B2 (en) * 2010-01-11 2013-05-07 Ford Global Technologies, Llc Stator for an electric machine

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US4879707A (en) * 1985-07-30 1989-11-07 Laser Magnetic Storage International Company Optical disk tracking and seeking systems specific track formats using discontinuities
US5166921A (en) * 1987-06-17 1992-11-24 Pioneer Electronic Corporation Optical disk carrying tracking information in multiple formats and apparatus for analyzing same
JPH0724142B2 (ja) * 1989-04-28 1995-03-15 株式会社ケンウッド 光ディスクのサーボ回路
JP3461017B2 (ja) * 1993-10-29 2003-10-27 株式会社ケンウッド 光ディスク装置のスピンドル制御回路
JP2860229B2 (ja) * 1993-06-25 1999-02-24 株式会社ケンウッド 光ディスク記録再生装置
JPH07169078A (ja) 1993-12-16 1995-07-04 Sony Corp ウォブル信号の検出方法
JPH08185664A (ja) 1994-12-28 1996-07-16 Kenwood Corp 光ディスク装置のワブル検出回路
JP3458502B2 (ja) 1995-01-11 2003-10-20 ソニー株式会社 光ディスク装置
KR100433605B1 (ko) * 1995-01-31 2004-11-12 소니 가부시끼 가이샤 광학적기록매체재생장치
JP3410869B2 (ja) 1995-04-11 2003-05-26 株式会社リコー 光ピックアップ装置
JP3052994B2 (ja) 1995-06-30 2000-06-19 ティアック株式会社 光ディスク装置のウォブル信号検出回路
JPH09198779A (ja) 1996-01-18 1997-07-31 Pioneer Electron Corp ディスク判別装置
DE69732728T2 (de) * 1996-01-26 2006-04-06 Sharp K.K. Optisches Aufzeichnungsmedium und Optische Aufzeichnungs- Wiedergabevorrichtung und Verfahren zur Herstellung eines optischen Aufzeichnungsmediums
KR100208714B1 (ko) * 1996-06-14 1999-07-15 윤종용 다종 광디스크 선택적 재생시스템
JPH1064166A (ja) * 1996-08-15 1998-03-06 Toshiba Corp ディスク再生装置
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TW451191B (en) 1997-03-19 2001-08-21 Hitachi Ltd Wobble signal detecting circuit, wobble abnormality detecting circuit, information processing apparatus using these circuit and method, and recording medium used in the apparatus or method
JP3653923B2 (ja) * 1997-03-19 2005-06-02 ソニー株式会社 記録再生装置および方法
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JP2001093147A (ja) 1999-09-20 2001-04-06 Teac Corp 光ディスク装置のウォブル信号検出回路
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JP2001134943A (ja) 1999-11-05 2001-05-18 Yamaha Corp 光ディスク記録装置のプッシュプル信号処理回路およびウォブル抽出回路ならびにプリピット検出回路
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JP4422855B2 (ja) 2000-03-16 2010-02-24 株式会社日立製作所 ウォブル信号再生回路
JP4012673B2 (ja) 2000-08-23 2007-11-21 パイオニア株式会社 ウォーブル検出装置
JP2002074674A (ja) 2000-09-04 2002-03-15 Matsushita Electric Ind Co Ltd ウォブル信号検出回路
KR100754160B1 (ko) 2001-06-30 2007-09-03 삼성전자주식회사 광디스크 장치 및 워블 신호 재생방법
JP2003030878A (ja) 2001-07-13 2003-01-31 Sanyo Electric Co Ltd 光ディスク記録再生装置のウォブル信号検出回路
JP3890934B2 (ja) 2001-08-10 2007-03-07 日本ビクター株式会社 ウォブル信号検出装置
JP3914018B2 (ja) 2001-09-26 2007-05-16 株式会社リコー ウォブル信号検出装置及び光学的情報記録再生装置
JP4121264B2 (ja) 2001-10-16 2008-07-23 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 ディスクドライブ装置及びウォブル情報検出方法
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JP3789423B2 (ja) 2001-11-17 2006-06-21 エルジー電子株式会社 光ディスクに記録されるウォブル信号をエンコーディングする装置及び方法と、その光ディスクで読み出されたウォブル信号をデコーディングする装置及び方法
JP3566690B2 (ja) 2001-12-07 2004-09-15 株式会社リコー ウォブル信号検出回路及び光ディスク装置

Also Published As

Publication number Publication date
US20020136126A1 (en) 2002-09-26
US6888783B2 (en) 2005-05-03
DE60220208D1 (de) 2007-07-05
DE60220208T2 (de) 2008-01-17
JP2002279640A (ja) 2002-09-27
EP1244099A2 (de) 2002-09-25
ES2259749T3 (es) 2006-10-16
EP1244099A3 (de) 2004-09-22
EP1244099B1 (de) 2007-05-23
EP1376552A3 (de) 2004-02-04
US7046615B2 (en) 2006-05-16
ES2286205T3 (es) 2007-12-01
EP1376552A2 (de) 2004-01-02
EP1376552B1 (de) 2006-03-15
DE60209946T2 (de) 2006-12-28
US20040013063A1 (en) 2004-01-22

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