DE60226650D1 - Erfassungsschaltung schwankender Signale und optische Plattenvorrichtung - Google Patents

Erfassungsschaltung schwankender Signale und optische Plattenvorrichtung

Info

Publication number
DE60226650D1
DE60226650D1 DE60226650T DE60226650T DE60226650D1 DE 60226650 D1 DE60226650 D1 DE 60226650D1 DE 60226650 T DE60226650 T DE 60226650T DE 60226650 T DE60226650 T DE 60226650T DE 60226650 D1 DE60226650 D1 DE 60226650D1
Authority
DE
Germany
Prior art keywords
detection circuit
optical disk
disk device
fluctuating signals
fluctuating
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
DE60226650T
Other languages
English (en)
Inventor
Hiroshi Maegawa
Toshihiro Shigemori
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
Application granted granted Critical
Publication of DE60226650D1 publication Critical patent/DE60226650D1/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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • 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
    • 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
    • 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
    • G11B2220/257—DVDs belonging to the plus family, i.e. +R, +RW, +VR
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24073—Tracks
    • G11B7/24082—Meandering
DE60226650T 2001-12-07 2002-12-06 Erfassungsschaltung schwankender Signale und optische Plattenvorrichtung Expired - Lifetime DE60226650D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001374057A JP3566690B2 (ja) 2001-12-07 2001-12-07 ウォブル信号検出回路及び光ディスク装置

Publications (1)

Publication Number Publication Date
DE60226650D1 true DE60226650D1 (de) 2008-06-26

Family

ID=19182677

Family Applications (4)

Application Number Title Priority Date Filing Date
DE60212926T Expired - Lifetime DE60212926T2 (de) 2001-12-07 2002-12-06 Erfassungsschaltung schwankender Signale und optische Plattenvorrichtung
DE60232753T Expired - Lifetime DE60232753D1 (de) 2001-12-07 2002-12-06 Wobbelsignal-Detektionsschaltung und Vorrichtung fur optischen Platten
DE60226650T Expired - Lifetime DE60226650D1 (de) 2001-12-07 2002-12-06 Erfassungsschaltung schwankender Signale und optische Plattenvorrichtung
DE60226651T Expired - Lifetime DE60226651D1 (de) 2001-12-07 2002-12-06 Erfassungsschaltung schwankender Signale und optische Plattenvorrichtung

Family Applications Before (2)

Application Number Title Priority Date Filing Date
DE60212926T Expired - Lifetime DE60212926T2 (de) 2001-12-07 2002-12-06 Erfassungsschaltung schwankender Signale und optische Plattenvorrichtung
DE60232753T Expired - Lifetime DE60232753D1 (de) 2001-12-07 2002-12-06 Wobbelsignal-Detektionsschaltung und Vorrichtung fur optischen Platten

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE60226651T Expired - Lifetime DE60226651D1 (de) 2001-12-07 2002-12-06 Erfassungsschaltung schwankender Signale und optische Plattenvorrichtung

Country Status (6)

Country Link
US (1) US6859425B2 (de)
EP (4) EP1318508B1 (de)
JP (1) JP3566690B2 (de)
CN (1) CN100345197C (de)
DE (4) DE60212926T2 (de)
ES (3) ES2305973T3 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002279640A (ja) 2001-03-21 2002-09-27 Ricoh Co Ltd ウォブル検出回路とその装置
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
KR100533747B1 (ko) * 2003-02-04 2005-12-06 주식회사 히타치엘지 데이터 스토리지 코리아 광디스크 종류 판별방법
WO2005024800A1 (ja) 2003-09-02 2005-03-17 Ricoh Company Ltd. プッシュプル信号生成装置及び光ディスク装置
JP3958269B2 (ja) * 2003-09-09 2007-08-15 日本テキサス・インスツルメンツ株式会社 復調装置およびこれを有するデータ記録装置
JP2005116079A (ja) * 2003-10-08 2005-04-28 Matsushita Electric Ind Co Ltd ランドプリピットアドレス復調装置
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
JP2005293637A (ja) 2004-03-31 2005-10-20 Sony Corp 光ディスク記録再生装置及びその信号検出方法
JP2006229417A (ja) * 2005-02-16 2006-08-31 Ricoh Co Ltd デジタルｐｌｌ装置
US7729214B1 (en) * 2005-08-09 2010-06-01 Mediatek Inc. Method and apparatus applied in optical disc drive for obtaining push-pull signal via adjusting amplifying gain according to fluctuating signals generated from photo detector of pick-up head
TW200802337A (en) * 2005-09-29 2008-01-01 Koninkl Philips Electronics Nv Method and system to improve playability of optical record medium
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
US8238217B2 (en) * 2008-12-16 2012-08-07 General Electric Company Method and system for detection enhancement for optical data storage
JP4674643B2 (ja) * 2009-02-17 2011-04-20 ソニー株式会社 光ディスク再生装置および光ディスク記録再生装置
JP2012018712A (ja) * 2010-07-06 2012-01-26 Sony Corp 光情報記録再生装置及び光情報記録再生方法
CN103329477B (zh) * 2011-01-27 2015-09-30 三菱电机株式会社 通信接口装置

Family Cites Families (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03187027A (ja) 1989-12-15 1991-08-15 Ricoh Co Ltd トラッキングサーボ方法
JPH0444688A (ja) 1990-06-12 1992-02-14 Ricoh Co Ltd 光ディスク駆動装置
JPH04259921A (ja) 1991-02-15 1992-09-16 Ricoh Co Ltd 光ディスク装置
JPH04325926A (ja) * 1991-04-25 1992-11-16 Olympus Optical Co Ltd 光学式情報記録再生装置のａｇｃ応答速度制御回路
JPH05282691A (ja) 1992-04-01 1993-10-29 Mitsubishi Electric Corp トラッキングエラー信号生成方式
JP2605577B2 (ja) 1993-03-19 1997-04-30 ヤマハ株式会社 光ディスク記録装置
US5602823A (en) 1993-07-30 1997-02-11 Ricoh Company, Ltd. Optical recording medium having pre-formatted patterns arrange by shifting phases
JP3294687B2 (ja) 1993-09-25 2002-06-24 株式会社リコー クロック分周器およびモータ駆動制御装置
JPH07169078A (ja) 1993-12-16 1995-07-04 Sony Corp ウォブル信号の検出方法
KR100207106B1 (ko) 1994-04-06 1999-07-15 정몽규 자동차 주행도로의 기울기 측정장치 및 그 방법
US5648952A (en) 1994-09-28 1997-07-15 Ricoh Company, Ltd. Phase-change optical disc recording method and apparatus, and information recording apparatus and recording pre-compensation method
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
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
US5828634A (en) 1996-02-22 1998-10-27 Ricoh Company, Ltd. Optical disk tracking method and device for producing a tracking error signal and a track crossing signal
US5809001A (en) * 1996-11-07 1998-09-15 Eastman Kodak Company Bandwidth reduction in writeable optical data storage apparatus
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
JP3708668B2 (ja) 1997-04-09 2005-10-19 株式会社リコー Ｅｆｍ出力タイミング制御回路及び記録タイミング制御回路
JP3806487B2 (ja) 1997-04-14 2006-08-09 株式会社リコー 光ディスク駆動装置のアドレス検出装置
JPH1166578A (ja) 1997-08-07 1999-03-09 Sanyo Electric Co Ltd ディスクプレーヤーのウォブル信号検出回路
JP3699813B2 (ja) 1997-09-25 2005-09-28 株式会社リコー 光ディスク装置
JPH11161982A (ja) 1997-09-25 1999-06-18 Ricoh Co Ltd 光ディスクドライブ装置および付帯情報検出回路
JP3795652B2 (ja) 1997-12-19 2006-07-12 株式会社リコー 光ディスク駆動装置のレーザパワー制御装置
JP2000113454A (ja) 1998-10-06 2000-04-21 Pioneer Electronic Corp 光ディスク記録装置
US6487149B1 (en) 1998-10-09 2002-11-26 Ricoh Company, Ltd. Optical recording and reproducing methods for optical disk
JP3872235B2 (ja) 1998-10-21 2007-01-24 パイオニア株式会社 プリピット検出装置
JP2000285455A (ja) 1999-03-31 2000-10-13 Ricoh Co Ltd ウォブル信号検出装置及び情報記録装置
JP4122631B2 (ja) 1999-05-17 2008-07-23 ソニー株式会社 光ディスク装置
US6345018B1 (en) 1999-08-04 2002-02-05 Ricoh Company, Ltd. Demodulation circuit for demodulating wobbling signal
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
JP3292184B2 (ja) * 1999-10-06 2002-06-17 ヤマハ株式会社 光ディスク記録方法及び装置
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
JP4462686B2 (ja) 1999-12-28 2010-05-12 株式会社リコー 受光装置、光ピックアップ装置、情報再生／記録装置および情報処理装置
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
JP2002279640A (ja) 2001-03-21 2002-09-27 Ricoh Co Ltd ウォブル検出回路とその装置
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
US6809997B2 (en) 2001-11-17 2004-10-26 Lg Electronics Inc. Apparatus and method for detecting wobble signal read from optical disc
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

Also Published As

Publication number Publication date
DE60226651D1 (de) 2008-06-26
EP1610308A1 (de) 2005-12-28
ES2305972T3 (es) 2008-11-01
EP1610308B1 (de) 2008-05-14
EP1610307A2 (de) 2005-12-28
CN1430218A (zh) 2003-07-16
EP1610307B1 (de) 2009-06-24
EP1610306A2 (de) 2005-12-28
DE60212926D1 (de) 2006-08-17
EP1318508B1 (de) 2006-07-05
EP1610306B1 (de) 2008-05-14
ES2267949T3 (es) 2007-03-16
JP3566690B2 (ja) 2004-09-15
ES2305973T3 (es) 2008-11-01
CN100345197C (zh) 2007-10-24
EP1610307A3 (de) 2006-01-04
EP1318508A2 (de) 2003-06-11
EP1610306A3 (de) 2006-01-04
DE60212926T2 (de) 2007-02-08
DE60232753D1 (de) 2009-08-06
JP2003173540A (ja) 2003-06-20
US6859425B2 (en) 2005-02-22
US20030128641A1 (en) 2003-07-10
EP1318508A3 (de) 2004-11-24

Similar Documents

Publication Publication Date Title
DE60226650D1 (de) Erfassungsschaltung schwankender Signale und optische Plattenvorrichtung
DE60330817D1 (de) Optischer Lesekopf und optische Informationsverarbeitungsvorrichtung
FR2830206B1 (fr) Dispositif microfluidique et sa fabrication
DE60144461D1 (de) Planare Lichtwellenschaltung und optische Schaltung
DE602004028878D1 (de) Optische Halbleitervorrichtung und integrierte optische Halbleiterschaltung
DE60231480D1 (de) Signalverarbeitungseinrichtung
DE60229080D1 (de) Optisches Plattengerät und optisches Plattenaufzeichnungsverfahren
DK1373573T3 (da) Konjugatsonder og optisk detektion af analytter
DE60209946D1 (de) Schwankungserfassungsschaltung und optische Plattenvorrichtung
DE60232831D1 (de) Signalverarbeitungsvorrichtung
DE60003736D1 (de) Laservorrichtung und zugehöriger Verstärker für optische Signale
DE60102733D1 (de) Optisches Plattengerät
DK1572169T3 (da) Påvisning og modulering af Slit- og Robo-medieret angiogenese og anvendelser deraf
DE60210053D1 (de) Platteneinrichtung
DE602004026372D1 (de) Optische Lesekopfvorrichtung und optisches Plattengerät
DE60126706D1 (de) Optisches Plattengerät
DE60038754D1 (de) Optisches Plattengerät
DE60225575D1 (de) Parallel/seriell-umsetzungs schaltung, optische ausgangssteuerschaltung und optische aufzeichnungs vorrichtung
DE60115805D1 (de) PLL-Schaltung und Empfangsmodul für optische Signalübertragung
DE50311812D1 (de) Beleuchtungsvorrichtung und optische objektuntersuchungseinrichtung
FI20031047A0 (fi) Elektronisen laitteen konfiguroiminen
DE60223504D1 (de) Schaltung und einrichtung für variable lichtwellenfunktion
DE60217691D1 (de) Steuerschaltung für das optische ausgangssignal eines halbleiterlasers und optische einrichtung
DE60136999D1 (de) Optisches Plattengerät
DE60211843D1 (de) Automatische Übertragung eines Informationsantwortsignals

Legal Events

Date Code Title Description
8364 No opposition during term of opposition