DE69431172D1 - Schreib-/Lesevorrichtung für optische Information - Google Patents

Schreib-/Lesevorrichtung für optische Information

Info

Publication number
DE69431172D1
DE69431172D1 DE69431172T DE69431172T DE69431172D1 DE 69431172 D1 DE69431172 D1 DE 69431172D1 DE 69431172 T DE69431172 T DE 69431172T DE 69431172 T DE69431172 T DE 69431172T DE 69431172 D1 DE69431172 D1 DE 69431172D1
Authority
DE
Germany
Prior art keywords
read
optical information
write device
write
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 - Lifetime
Application number
DE69431172T
Other languages
English (en)
Other versions
DE69431172T2 (de
Inventor
Naoyasu Miyagawa
Eiji Ohno
Kenichi Nishiuchi
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69431172D1 publication Critical patent/DE69431172D1/de
Application granted granted Critical
Publication of DE69431172T2 publication Critical patent/DE69431172T2/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
    • G11B7/007—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
    • 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
    • G11B7/00454—Recording involving phase-change effects
    • 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
    • G11B7/0055—Erasing
    • G11B7/00557—Erasing involving phase-change media
    • 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
    • G11B7/006—Overwriting
    • 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
    • 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
    • G11B7/24079—Width or depth
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
DE69431172T 1993-05-26 1994-05-25 Schreib-/Lesevorrichtung für optische Information Expired - Lifetime DE69431172T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5123924A JP2697555B2 (ja) 1993-05-26 1993-05-26 光情報記録媒体

Publications (2)

Publication Number Publication Date
DE69431172D1 true DE69431172D1 (de) 2002-09-19
DE69431172T2 DE69431172T2 (de) 2003-04-17

Family

ID=14872717

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69431172T Expired - Lifetime DE69431172T2 (de) 1993-05-26 1994-05-25 Schreib-/Lesevorrichtung für optische Information
DE69429460T Expired - Lifetime DE69429460T2 (de) 1993-05-26 1994-05-25 Schreib/Lesevorrichtung für optische Informationen

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69429460T Expired - Lifetime DE69429460T2 (de) 1993-05-26 1994-05-25 Schreib/Lesevorrichtung für optische Informationen

Country Status (5)

Country Link
US (1) US5448551A (de)
EP (2) EP0626679B1 (de)
JP (1) JP2697555B2 (de)
DE (2) DE69431172T2 (de)
SG (1) SG86303A1 (de)

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US5850378A (en) * 1994-11-10 1998-12-15 Matsushita Electric Industrial Co., Ltd. Method and apparatus for recording data on an optical disk and or groove
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JPH08279164A (ja) * 1995-04-04 1996-10-22 Sharp Corp 情報記憶媒体駆動装置
JP3265527B2 (ja) * 1995-04-27 2002-03-11 株式会社ニコン 情報記録媒体
US5793723A (en) * 1995-06-14 1998-08-11 Nikon Corporation Method and a system for adjusting optical recording device involving an optical recording medium of non-uniform heat characteristics
US6118752A (en) * 1995-07-07 2000-09-12 Matsushita Electric Industrial Co., Ltd. Optical information recording medium offset pre-pit array indicating identification information
US5787228A (en) 1996-02-28 1998-07-28 Fiely; Sharon K. Portable vehicle articulated windshield defroster with heated air-flow and timer
US6744706B2 (en) 1995-07-07 2004-06-01 Matsushita Electric Industrial Co. Optical system with tracking controller
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US5605390A (en) * 1996-01-25 1997-02-25 Sarif, Inc. Optical projector
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US6821707B2 (en) * 1996-03-11 2004-11-23 Matsushita Electric Industrial Co., Ltd. Optical information recording medium, producing method thereof and method of recording/erasing/reproducing information
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US5936924A (en) * 1996-06-07 1999-08-10 Nikon Corporation Information recording and reproduction device
US6049403A (en) * 1996-07-25 2000-04-11 Delta America Ltd. V-splitter for optical engine
US5777796A (en) * 1996-07-25 1998-07-07 Delta America Ltd. Pentaprism combiner/splitter
JPH1064120A (ja) * 1996-08-20 1998-03-06 Toshiba Corp ランド・グルーブ記録用情報記録媒体
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US5921665A (en) * 1996-12-13 1999-07-13 Delta America Ltd. Projection illumination system for tricolor projectors
KR19980064133A (ko) * 1996-12-16 1998-10-07 히라이가즈히꼬 광 기록 매체
TW452793B (en) 1997-03-27 2001-09-01 Matsushita Electric Ind Co Ltd Recording and reproducing method for optical information recording medium, and optical information recording medium
DE69839291T2 (de) * 1997-04-09 2009-04-09 Ricoh Co., Ltd. Verfahren zur Aufeichnung eines Phasenwechselaufzeichnungsmediums für Spurführung nach dem differentiellen Phasendetekttionsverfahren
KR100303631B1 (ko) * 1997-04-24 2001-11-22 모리시타 요이찌 광기록매체및여기에사용되는기판
JPH10320835A (ja) * 1997-05-19 1998-12-04 Nikon Corp 光ディスク
US6503690B1 (en) 1997-08-12 2003-01-07 Matsushita Electric Industrial Co., Ltd. Optical information recording medium, method for producing the same, and method for recording and reproducing optical information
JPH1166626A (ja) 1997-08-18 1999-03-09 Sony Corp 光ディスク及びその記録再生方法
JPH1166612A (ja) 1997-08-25 1999-03-09 Hitachi Ltd 相変化光ディスク媒体
JPH11134720A (ja) 1997-08-28 1999-05-21 Matsushita Electric Ind Co Ltd 光学的情報記録媒体及びその記録再生方法
JPH1196579A (ja) * 1997-09-19 1999-04-09 Tdk Corp 光記録媒体の記録再生方法および光記録媒体
US6343062B1 (en) 1997-09-26 2002-01-29 Matsushita Electric Industrial Co., Ltd Optical disk device and optical disk for recording and reproducing high-density signals
CN1114197C (zh) * 1998-03-27 2003-07-09 三星电子株式会社 改善横向擦除特性的光盘记录装置和方法
EP1000424A2 (de) * 1998-05-27 2000-05-17 Koninklijke Philips Electronics N.V. Optischer aufzeichnungsträger
US6531262B1 (en) 1998-06-25 2003-03-11 Spectradisc Corporation Methods and apparatus for rendering an optically encoded medium unreadable and tamper-resistant
US6338933B1 (en) 1998-06-25 2002-01-15 Spectradisc Corporation Methods and apparatus for rendering an optically encoded medium unreadable
US6161106A (en) * 1998-07-28 2000-12-12 Motorola, Inc. Perishable media system and method of operation
TW448443B (en) 1998-08-05 2001-08-01 Matsushita Electric Ind Co Ltd Optical information storage media and production method as well as the storage reproducing method and device
US6195326B1 (en) 1998-11-05 2001-02-27 Tdk Corporation Phase-change type medium for use in high density recording
US6212158B1 (en) * 1999-06-01 2001-04-03 Eastman Kodak Company Hybrid optical disc construction
JP4243059B2 (ja) * 1999-07-12 2009-03-25 フレックスプレイ・テクノロジーズ・インコーポレイテッド 使捨て式光学記憶媒体とその製造方法
JP3689612B2 (ja) 2000-01-26 2005-08-31 株式会社日立製作所 情報記録媒体
JP4233224B2 (ja) * 2000-02-21 2009-03-04 Ｔｄｋ株式会社 光記録媒体
JP4361198B2 (ja) 2000-07-06 2009-11-11 パイオニア株式会社 書換可能な光学式記録媒体、その製造方法及び製造装置
US6982109B2 (en) * 2000-12-11 2006-01-03 Flexplay Technologies, Inc. Method for rendering surface layer of limited play disk lightfast
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Also Published As

Publication number Publication date
SG86303A1 (en) 2002-02-19
EP0859358A3 (de) 1999-02-10
EP0859358B1 (de) 2001-12-12
EP0626679A2 (de) 1994-11-30
EP0859358A2 (de) 1998-08-19
EP0626679B1 (de) 2002-08-14
DE69429460D1 (de) 2002-01-24
EP0626679A3 (de) 1994-12-14
DE69431172T2 (de) 2003-04-17
DE69429460T2 (de) 2002-11-21
JP2697555B2 (ja) 1998-01-14
JPH06338064A (ja) 1994-12-06
US5448551A (en) 1995-09-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP