DE69224615D1 - Optische Platte und Gerät zur Wiedergabe - Google Patents

Optische Platte und Gerät zur Wiedergabe

Info

Publication number
DE69224615D1
DE69224615D1 DE69224615T DE69224615T DE69224615D1 DE 69224615 D1 DE69224615 D1 DE 69224615D1 DE 69224615 T DE69224615 T DE 69224615T DE 69224615 T DE69224615 T DE 69224615T DE 69224615 D1 DE69224615 D1 DE 69224615D1
Authority
DE
Germany
Prior art keywords
playback
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
DE69224615T
Other languages
English (en)
Other versions
DE69224615T2 (de
Inventor
Takayuki Nomoto
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic 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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Publication of DE69224615D1 publication Critical patent/DE69224615D1/de
Application granted granted Critical
Publication of DE69224615T2 publication Critical patent/DE69224615T2/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
    • G11B7/13—Optical detectors therefor
    • G11B7/131—Arrangement of detectors in a multiple array
    • 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
    • G11B7/24—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
    • G11B7/24088—Pits for storing more than two values, i.e. multi-valued recording for data or prepits

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Optical Head (AREA)
DE69224615T 1992-01-20 1992-11-12 Optische Platte und Gerät zur Wiedergabe Expired - Fee Related DE69224615T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4007839A JP3067873B2 (ja) 1992-01-20 1992-01-20 光ディスク及び光ディスク再生装置

Publications (2)

Publication Number Publication Date
DE69224615D1 true DE69224615D1 (de) 1998-04-09
DE69224615T2 DE69224615T2 (de) 1998-08-06

Family

ID=11676782

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69224615T Expired - Fee Related DE69224615T2 (de) 1992-01-20 1992-11-12 Optische Platte und Gerät zur Wiedergabe

Country Status (4)

Country Link
US (1) US5357499A (de)
EP (1) EP0553548B1 (de)
JP (1) JP3067873B2 (de)
DE (1) DE69224615T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3224901B2 (ja) * 1993-05-06 2001-11-05 パイオニア株式会社 光ディスク、光ディスク再生装置及び光ディスクの記録再生方法
JP3267748B2 (ja) * 1993-06-08 2002-03-25 パイオニア株式会社 情報再生方法及び光検出器
JP3267752B2 (ja) * 1993-07-05 2002-03-25 パイオニア株式会社 光ディスク、光ディスク再生装置及び光ディスクの記録再生方法
JPH0721569A (ja) * 1993-07-06 1995-01-24 Pioneer Electron Corp 光ディスク、光ディスク再生装置及び光ディスクの記録再生方法
KR950015242A (ko) * 1993-11-16 1995-06-16 배순훈 광픽업
JP3503767B2 (ja) * 1994-10-21 2004-03-08 日本ビクター株式会社 光記録媒体
JPH08212598A (ja) * 1995-02-01 1996-08-20 Pioneer Electron Corp 光ディスク及び光ディスク再生装置
JP2738337B2 (ja) * 1995-03-31 1998-04-08 日本電気株式会社 光再生媒体の再生方法及び再生装置
US5946288A (en) * 1995-03-31 1999-08-31 Nec Corporation Optical recording medium having recording pits of different shapes
UA61951C2 (en) * 1999-12-09 2003-12-15 Method for identifying information
US6826143B1 (en) 2000-01-14 2004-11-30 Lucent Technologies Inc. Multi-dimensional optical disk
MXPA04005566A (es) * 2001-12-12 2004-12-06 Koninkl Philips Electronics Nv Acomodo de datos adicionales en un disco optico portador de datos.
JP2008507806A (ja) 2004-07-26 2008-03-13 インペリアル・イノベイションズ・リミテッド 光ディスクおよびそのための読取装置
JP2006252743A (ja) * 2005-03-08 2006-09-21 Qinghua Univ マルチレベル読み出し専用光ディスク及びその製造方法
US9056422B2 (en) * 2013-04-09 2015-06-16 Massachusetts Institute Of Technology Methods and apparatus for encoded textures

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7906576A (nl) * 1979-09-03 1981-03-05 Philips Nv Registratiedrager waarin informatie is aangebracht in een optisch uitleesbare informatiestruktuur, alsmede uitleesinrichting daarvoor.
NL7907180A (nl) * 1979-09-27 1981-03-31 Philips Nv Registratiedrager waarin informatie is aangebracht in een optisch uitleesbare informatiestruktuur, alsmede inrichting voor het uitlezen daarvan.
JPS61137241A (ja) * 1984-12-06 1986-06-24 Canon Inc 光情報記録媒体
US5170390A (en) * 1988-08-22 1992-12-08 Sharp Kabushiki Kaisha Optical recording element and driving system
JP2612329B2 (ja) * 1988-12-27 1997-05-21 シャープ株式会社 光メモリ素子並びに光メモリ再生装置
JPH03219434A (ja) * 1988-12-27 1991-09-26 Canon Inc 光学的情報記録媒体

Also Published As

Publication number Publication date
EP0553548A1 (de) 1993-08-04
JP3067873B2 (ja) 2000-07-24
DE69224615T2 (de) 1998-08-06
JPH05197968A (ja) 1993-08-06
US5357499A (en) 1994-10-18
EP0553548B1 (de) 1998-03-04

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee