DE69727161D1 - Plattenunterscheidungsverfahren und -vorrichtung - Google Patents

Plattenunterscheidungsverfahren und -vorrichtung

Info

Publication number
DE69727161D1
DE69727161D1 DE69727161T DE69727161T DE69727161D1 DE 69727161 D1 DE69727161 D1 DE 69727161D1 DE 69727161 T DE69727161 T DE 69727161T DE 69727161 T DE69727161 T DE 69727161T DE 69727161 D1 DE69727161 D1 DE 69727161D1
Authority
DE
Germany
Prior art keywords
discrimination method
plate discrimination
plate
discrimination
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
DE69727161T
Other languages
English (en)
Other versions
DE69727161T2 (de
Inventor
Shigeo Tsuchiya
Tatsuro Shimizu
Hiroshi Nakane
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.)
Toshiba Corp
Original Assignee
Toshiba 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 Toshiba Corp filed Critical Toshiba Corp
Publication of DE69727161D1 publication Critical patent/DE69727161D1/de
Application granted granted Critical
Publication of DE69727161T2 publication Critical patent/DE69727161T2/de
Anticipated expiration legal-status Critical
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
    • G11B7/1372—Lenses
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
    • G11B19/125—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark involving the detection of carrier data format
    • 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
    • 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
    • G11B7/08511—Methods for track change, selection or preliminary positioning by moving the head with focus 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
    • G11B7/09—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
    • G11B7/12—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
    • 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
    • G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0009—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage
    • G11B2007/0013—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage for carriers having multiple discrete layers
    • 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
    • G11B7/0925—Electromechanical actuators for lens positioning
    • 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
    • G11B7/0943—Methods and circuits for performing mathematical operations on individual detector segment outputs
DE69727161T 1996-10-31 1997-10-29 Plattenunterscheidungsverfahren und -vorrichtung Expired - Fee Related DE69727161T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP29050496 1996-10-31
JP29050496 1996-10-31
JP26189197 1997-09-26
JP9261891A JPH10188458A (ja) 1996-10-31 1997-09-26 ディスク種別判別方法及びその装置

Publications (2)

Publication Number Publication Date
DE69727161D1 true DE69727161D1 (de) 2004-02-12
DE69727161T2 DE69727161T2 (de) 2004-09-02

Family

ID=26545289

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69727161T Expired - Fee Related DE69727161T2 (de) 1996-10-31 1997-10-29 Plattenunterscheidungsverfahren und -vorrichtung

Country Status (4)

Country Link
US (1) US6111832A (de)
EP (2) EP0840303A3 (de)
JP (1) JPH10188458A (de)
DE (1) DE69727161T2 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW388871B (en) * 1997-05-30 2000-05-01 Matsushita Electric Ind Co Ltd An optical disk apparatus
JP2000100059A (ja) 1998-09-18 2000-04-07 Mitsumi Electric Co Ltd 光ディスク装置
US6629089B1 (en) * 2000-09-29 2003-09-30 Cirrus Logic, Inc. Artificial neural network voice coil motor controller
JP2002203324A (ja) * 2000-10-25 2002-07-19 Sony Computer Entertainment Inc フォーカス制御装置、フォーカス制御方法
JP3765235B2 (ja) * 2001-02-16 2006-04-12 日本電気株式会社 光ディスク装置
US6745167B2 (en) * 2001-03-27 2004-06-01 Lite-On It Corporation Fuzzy-neuro method for discriminating optical disk type
US6490237B1 (en) 2001-05-14 2002-12-03 Cirrus Logic, Inc. Fuzzy inference system and method for optical disc discrimination
US7102981B2 (en) * 2001-12-05 2006-09-05 Koninklijke Philips Electronics N.V. Optical scanning device
US6718124B2 (en) * 2001-12-18 2004-04-06 Thomson Licensing S.A. System and method for playing DVD bitstream from non-DVD optical storage medium
JP2003317269A (ja) * 2002-04-18 2003-11-07 Mitsubishi Electric Corp フォーカス制御装置
KR100464413B1 (ko) * 2002-04-30 2005-01-03 삼성전자주식회사 광기록매체의 종류 판별방법 및 장치
KR100517497B1 (ko) * 2002-07-16 2005-09-28 삼성전자주식회사 광 디스크 멀티 체인저 동작 장치 및 방법
CN1331139C (zh) * 2002-08-26 2007-08-08 松下电器产业株式会社 光盘装置、光盘种类辨别方法及球面像差调整方法
EP1463053A3 (de) * 2003-03-25 2006-12-06 Matsushita Electric Industrial Co., Ltd. Verfahren und Gerät zur Erkennung von optischen Platten, optische Plattenspieler und Gerät zur Unterscheidung von Datenaufzeichnungsschichten
US7480222B2 (en) * 2003-09-02 2009-01-20 Koninklijke Philips Electronics N.V. Disc drive apparatus, and method for recognizing CD and DVD
JP2005190592A (ja) * 2003-12-25 2005-07-14 Toshiba Corp 光ディスク装置
KR100532612B1 (ko) 2004-06-18 2005-12-01 삼성전자주식회사 광디스크 판별 오류시 재생모드 변경방법 및 장치
WO2006106614A1 (ja) 2005-03-30 2006-10-12 Pioneer Corporation 種類判別装置、種類判別方法及び判別用プログラム
JP4203509B2 (ja) 2006-03-30 2009-01-07 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、ディスク判別方法
JP2009151843A (ja) * 2007-12-19 2009-07-09 Funai Electric Co Ltd 光ディスクの判別方法及び光ディスク装置
JP4947004B2 (ja) * 2008-08-04 2012-06-06 ティアック株式会社 光ディスク装置及びこれを備える光ディスク処理システム

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5289451A (en) * 1984-11-29 1994-02-22 Canon Kabushiki Kaisha Optical information recording/reproduction apparatus including means for detecting the type of recording medium
US5136569A (en) * 1990-09-28 1992-08-04 International Business Machines Corporation Optical disk recorder for diverse media types and having a predetermined initialization or start-up procedure
JP2986587B2 (ja) * 1991-08-21 1999-12-06 松下電器産業株式会社 光学的情報記録／再生装置
JPH0737259A (ja) * 1993-07-23 1995-02-07 Ricoh Co Ltd 光ディスク装置の構成方法
DE69632493T2 (de) * 1995-02-02 2005-05-12 Pioneer Electronic Corp. Optisches Abtastgerät und Identifizierungsgerät zum Identifizieren des Typs eines optischen Aufzeichnungsmediums
DE69634616T2 (de) * 1995-02-20 2006-03-02 Mitsubishi Denki K.K. Objektivlinsenantriebsvorrichtung und optische Informationsaufzeichnungs-/-wiedergabevorrichtung
JP2995003B2 (ja) * 1995-05-08 1999-12-27 三洋電機株式会社 光学式再生装置
US5966354A (en) * 1995-11-10 1999-10-12 Kabushiki Kaisha Toshiba Drive apparatus for objective lens
JPH09219056A (ja) * 1996-02-15 1997-08-19 Hitachi Ltd ディスク再生方法およびその装置
JPH09326161A (ja) * 1996-06-06 1997-12-16 Kenwood Corp 光ディスク装置
EP1139342B1 (de) * 1996-09-25 2004-03-03 Victor Company Of Japan, Ltd. Gerät zur Festlegung des Typs einer Platte, Gerät zur Wiedergabe einer optischen Platte
US5859822A (en) * 1996-12-13 1999-01-12 Hitachi, Ltd. Optical disc player capable of reproducing a plurality of different types of optical discs

Also Published As

Publication number Publication date
EP1211676B1 (de) 2004-01-07
EP0840303A2 (de) 1998-05-06
EP0840303A3 (de) 1999-07-14
DE69727161T2 (de) 2004-09-02
EP1211676A1 (de) 2002-06-05
JPH10188458A (ja) 1998-07-21
US6111832A (en) 2000-08-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee