DE602005019967D1 - Vorrichtung zur Aufzeichnung winkelgemultiplexter Pits - Google Patents

Vorrichtung zur Aufzeichnung winkelgemultiplexter Pits

Info

Publication number
DE602005019967D1
DE602005019967D1 DE602005019967T DE602005019967T DE602005019967D1 DE 602005019967 D1 DE602005019967 D1 DE 602005019967D1 DE 602005019967 T DE602005019967 T DE 602005019967T DE 602005019967 T DE602005019967 T DE 602005019967T DE 602005019967 D1 DE602005019967 D1 DE 602005019967D1
Authority
DE
Germany
Prior art keywords
recording angle
pits
multiplexed
multiplexed pits
recording
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.)
Active
Application number
DE602005019967T
Other languages
English (en)
Inventor
Joachim Knittel
Hartmut Richter
Stephan Knappmann
Original Assignee
Thomson Licensing SAS
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 Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of DE602005019967D1 publication Critical patent/DE602005019967D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • G11B7/1365—Separate or integrated refractive elements, e.g. wave plates
    • G11B7/1369—Active plates, e.g. liquid crystal panels or electrostrictive elements
    • 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
    • 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
    • G11B7/128—Modulators
    • 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
    • G11B7/1362—Mirrors
    • 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)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
DE602005019967T 2004-12-02 2005-11-14 Vorrichtung zur Aufzeichnung winkelgemultiplexter Pits Active DE602005019967D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04028544A EP1667128A1 (de) 2004-12-02 2004-12-02 Gerät zur Aufzeichnung von winkelmultiplexierten Vertiefungen

Publications (1)

Publication Number Publication Date
DE602005019967D1 true DE602005019967D1 (de) 2010-04-29

Family

ID=34927615

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005019967T Active DE602005019967D1 (de) 2004-12-02 2005-11-14 Vorrichtung zur Aufzeichnung winkelgemultiplexter Pits

Country Status (7)

Country Link
US (1) US8203925B2 (de)
EP (1) EP1667128A1 (de)
JP (1) JP4432889B2 (de)
KR (1) KR20060061890A (de)
CN (1) CN1805020B (de)
DE (1) DE602005019967D1 (de)
TW (1) TW200634778A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1667128A1 (de) * 2004-12-02 2006-06-07 Deutsche Thomson-Brandt Gmbh Gerät zur Aufzeichnung von winkelmultiplexierten Vertiefungen

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPH0438720A (ja) * 1990-06-01 1992-02-07 Olympus Optical Co Ltd 光学式多値記録再生方式
JP2858455B2 (ja) * 1990-11-27 1999-02-17 キヤノン株式会社 光学的情報記録装置
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
JPH07287860A (ja) * 1994-04-14 1995-10-31 Sanyo Electric Co Ltd 光ピックアップ、光ディスク再生装置、及び方法
JPH09120538A (ja) * 1995-03-14 1997-05-06 Mitsuteru Kimura 光メモリ板とその読み出し装置および書き込み方式
JP3549301B2 (ja) * 1995-09-08 2004-08-04 三菱電機株式会社 光ヘッドのトラッキング誤差検出装置
JP3691188B2 (ja) * 1996-12-09 2005-08-31 パイオニア株式会社 チルトサーボシステム
US6151154A (en) * 1998-03-12 2000-11-21 Pioneer Electronic Corporation Optical pickup, aberration correction unit and astigmatism measurement method
JP4186295B2 (ja) * 1999-03-16 2008-11-26 松下電器産業株式会社 光情報記録再生装置
JP2000338846A (ja) * 1999-05-25 2000-12-08 Sony Corp ホログラム記録再生装置
JP4107767B2 (ja) * 1999-06-23 2008-06-25 ソニー株式会社 光記録媒体及びこれを用いた記録再生方法、記録再生装置
US7688685B1 (en) * 2000-03-01 2010-03-30 Hitachi, Ltd. Magneto-optical recording device capable of changing the shapes of heating areas
US7154837B2 (en) * 2000-05-31 2006-12-26 Matsushita Electric Industrial Co., Ltd. Optical pickup and optical information recording/reproducing device
AU2003285668A1 (en) * 2002-12-30 2004-07-22 Koninklijke Philips Electronics N.V. Optical device for recording and reproducing
EP1667128A1 (de) * 2004-12-02 2006-06-07 Deutsche Thomson-Brandt Gmbh Gerät zur Aufzeichnung von winkelmultiplexierten Vertiefungen

Also Published As

Publication number Publication date
JP4432889B2 (ja) 2010-03-17
KR20060061890A (ko) 2006-06-08
TW200634778A (en) 2006-10-01
CN1805020B (zh) 2010-04-14
JP2006164499A (ja) 2006-06-22
US20060120257A1 (en) 2006-06-08
US8203925B2 (en) 2012-06-19
EP1667128A1 (de) 2006-06-07
CN1805020A (zh) 2006-07-19

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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