DE69016054D1 - Optische Platte. - Google Patents

Optische Platte.

Info

Publication number
DE69016054D1
DE69016054D1 DE69016054T DE69016054T DE69016054D1 DE 69016054 D1 DE69016054 D1 DE 69016054D1 DE 69016054 T DE69016054 T DE 69016054T DE 69016054 T DE69016054 T DE 69016054T DE 69016054 D1 DE69016054 D1 DE 69016054D1
Authority
DE
Germany
Prior art keywords
optical disc
disc
optical
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
DE69016054T
Other languages
English (en)
Other versions
DE69016054T2 (de
Inventor
Kazuo Nakashima
Yasunobu Hashimoto
Miyozo Maeda
Seiya Ogawa
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of DE69016054D1 publication Critical patent/DE69016054D1/de
Application granted granted Critical
Publication of DE69016054T2 publication Critical patent/DE69016054T2/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
    • G11B7/24—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
    • G11B7/24085—Pits
    • 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
    • G11B2220/211—Discs having both read-only and rewritable or recordable areas containing application data; Partial ROM media
DE69016054T 1989-02-08 1990-02-08 Optische Platte. Expired - Fee Related DE69016054T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2885489 1989-02-08

Publications (2)

Publication Number Publication Date
DE69016054D1 true DE69016054D1 (de) 1995-03-02
DE69016054T2 DE69016054T2 (de) 1995-05-24

Family

ID=12259968

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69016054T Expired - Fee Related DE69016054T2 (de) 1989-02-08 1990-02-08 Optische Platte.

Country Status (4)

Country Link
US (1) US5214627A (de)
EP (1) EP0382528B1 (de)
KR (1) KR930000521B1 (de)
DE (1) DE69016054T2 (de)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5138598A (en) * 1990-01-25 1992-08-11 Sony Corporation Optical disk having relatively wide ram tracks and relatively narrow rom tracks
JP2888958B2 (ja) * 1990-10-20 1999-05-10 富士通株式会社 部分書き換え可能な記憶媒体におけるファイル管理方式
US5255262A (en) * 1991-06-04 1993-10-19 International Business Machines Corporation Multiple data surface optical data storage system with transmissive data surfaces
US5402411A (en) * 1992-03-05 1995-03-28 Fujitsu Limited Constant amplitude of tracking error signals generated from a head guide track and a performed track
US5796712A (en) * 1992-03-05 1998-08-18 Fujitsu Limited Optical disk having identification signal recorded between and used in common for two mutually adjacent tracks and optical disk unit therefor
JPH05266484A (ja) * 1992-03-23 1993-10-15 Toshiba Corp 情報再生装置
JP3225611B2 (ja) * 1992-07-27 2001-11-05 松下電器産業株式会社 ディスク再生装置
US7548497B2 (en) * 1992-10-05 2009-06-16 Mitsubishi Denki Kabushiki Kaisha Optical disk and optical disk drive device
US6529451B2 (en) * 1992-10-05 2003-03-04 Mitsubishi Denki Kabushiki Kaisha Optical disk and optical disk drive device
JP3078686B2 (ja) * 1992-10-05 2000-08-21 三菱電機株式会社 光ディスク、光ディスク駆動装置および光ディスクの書き込み読み出し方法
JP2883791B2 (ja) * 1993-08-26 1999-04-19 富士通株式会社 記憶媒体とその制御方法
DE69429651T2 (de) * 1993-10-18 2002-09-19 Sony Corp Informationsverwaltungsverfahren, datenaufzeichnungsträger und -verfahren, informationswiederauffindungsverfahren und -gerät
DE4341223B4 (de) * 1993-12-03 2010-11-18 Deutsche Thomson-Brandt Gmbh ROM-RAM-Disk
US6408285B1 (en) * 1995-10-09 2002-06-18 Matsushita Electric Industrial Co., Ltd. Optical disk reading device using both a decipher key and disk identification information for decryption
US5835479A (en) * 1995-10-09 1998-11-10 Matsushita Electric Industrial Co., Ltd. Optical information recording medium
US7191154B2 (en) * 1995-10-09 2007-03-13 Matsushita Electric Industrial Co., Ltd. Apparatus for encrypting and recording received content information on a recording medium using both medium identification information and a cipher key for encryption
CN100347985C (zh) 1995-10-09 2007-11-07 松下电器产业株式会社 内容重放装置及方法
US6600713B1 (en) * 1996-06-26 2003-07-29 Sun Microsystems, Inc. Recording media having separate read only and read/write areas
TW357345B (en) * 1996-06-26 1999-05-01 Matsushita Electric Ind Co Ltd CD having re-write area and ROM area
ID21646A (id) 1996-10-23 1999-07-08 Matsushita Electric Ind Co Ltd Piringan optik
KR19980084908A (ko) 1997-05-27 1998-12-05 윤종용 비휘발성 메모리를 갖는 광 디스크와 비휘발성 메모리를 갖는 광 디스크를 사용하기 위한 광 디스크 장치 및 그 제어 방법
WO1999049458A1 (en) * 1998-03-23 1999-09-30 Warner Music Group, Inc. Dual format optical disc
SG103868A1 (en) * 1998-04-20 2004-05-26 Samsung Electronics Co Ltd Defect management method and method of recording data
US9361243B2 (en) 1998-07-31 2016-06-07 Kom Networks Inc. Method and system for providing restricted access to a storage medium
CA2244626A1 (en) 1998-07-31 2000-01-31 Kom Inc. A hardware and software system
US8234477B2 (en) * 1998-07-31 2012-07-31 Kom Networks, Inc. Method and system for providing restricted access to a storage medium
US7536524B2 (en) * 1998-07-31 2009-05-19 Kom Networks Inc. Method and system for providing restricted access to a storage medium
ES2169575T3 (es) 1999-04-10 2002-07-01 Basis Gmbh Edv Vertriebs Ges Soporte de datos con un estado fundamental reproducible de datos basicos y procedimiento para su realizacion.
US6330210B1 (en) * 1999-04-29 2001-12-11 Hewlett-Packard Company Data structure for control information on rewriteable data storage media
US6370545B1 (en) 1999-04-29 2002-04-09 Kom Networks Method of accessing removable storage media
US6453395B1 (en) * 1999-05-06 2002-09-17 Hewlett-Packard Company Copy button on drive
TW476957B (en) * 1999-09-08 2002-02-21 Mitsubishi Chem Corp Rewritable compact disk and manufacturing method thereof
EP1923812A3 (de) * 1999-12-28 2008-10-29 Mitsubishi Kagaku Media Co., Ltd. Datenlöschverfahren zur Verwendung in einem optischen Aufzeichnungsmedium
JP3961833B2 (ja) * 2000-03-29 2007-08-22 松下電器産業株式会社 光ディスク及びその記録装置及びその再生装置
KR20010107397A (ko) * 2000-05-27 2001-12-07 구자홍 광디스크의 기록방식 전환방법
US7514037B2 (en) * 2002-08-08 2009-04-07 Kobe Steel, Ltd. AG base alloy thin film and sputtering target for forming AG base alloy thin film
US20050018574A1 (en) * 2003-07-25 2005-01-27 Jenkins Jens C. Hybrid optical storage media and methods of use
JP2008519386A (ja) * 2004-11-03 2008-06-05 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 携帯用ハイブリッド記憶媒体
WO2007085016A2 (en) * 2006-01-20 2007-07-26 Kestrel Wireless Inc. Optical media with reduced areal-sized optical shutters
US7724613B2 (en) * 2007-07-03 2010-05-25 International Business Machines Corporation Apparatus and method to store information in a holographic data storage medium

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5898846A (ja) * 1981-12-07 1983-06-11 Pioneer Video Corp 円盤状記録媒体及びその記録方式
EP0164061B1 (de) * 1984-06-01 1989-05-17 Matsushita Electric Industrial Co., Ltd. Optische Platte ausschliesslich zur Wiedergabe
US4918677A (en) * 1985-01-23 1990-04-17 Canon Kabushiki Kaisha Information recording/reproducing apparatus including a plurality of recording or reproducing rates
DE3752097T2 (de) * 1986-02-07 1998-02-19 Matsushita Electric Ind Co Ltd Optische Platte und Plattengerät zum Aufzeichnen oder Wiedergeben von Daten in oder von der Platte
US4958314A (en) * 1986-02-18 1990-09-18 Matsushita Electric Industrial Co., Ltd. Information recording/reproducing apparatus
JP2771808B2 (ja) * 1986-12-27 1998-07-02 ソニー株式会社 記録媒体
EP0275972B1 (de) * 1987-01-19 1991-08-28 Sony Corporation Vorrichtung zur Aufzeichnung auf Platten
US4998237A (en) * 1987-04-28 1991-03-05 Yamaha Corporation Optical disc recording device having improved accuracy of pit formation
US4841515A (en) * 1987-07-01 1989-06-20 Micronic Interface Technologies Read-write optical disk

Also Published As

Publication number Publication date
KR930000521B1 (ko) 1993-01-21
EP0382528B1 (de) 1995-01-18
EP0382528A1 (de) 1990-08-16
US5214627A (en) 1993-05-25
KR900013474A (ko) 1990-09-05
DE69016054T2 (de) 1995-05-24

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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