ATE443323T1 - Optisches informationswiedergabegerät und optisches informationswiedergabeverfahren damit - Google Patents

Optisches informationswiedergabegerät und optisches informationswiedergabeverfahren damit

Info

Publication number
ATE443323T1
ATE443323T1 AT07005402T AT07005402T ATE443323T1 AT E443323 T1 ATE443323 T1 AT E443323T1 AT 07005402 T AT07005402 T AT 07005402T AT 07005402 T AT07005402 T AT 07005402T AT E443323 T1 ATE443323 T1 AT E443323T1
Authority
AT
Austria
Prior art keywords
optical information
information reproduction
assistant
beams
sets
Prior art date
Application number
AT07005402T
Other languages
English (en)
Inventor
Jung Kyu-Ii
Original Assignee
Daewoo Electronics 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
Priority claimed from KR1020060031299A external-priority patent/KR100727779B1/ko
Priority claimed from KR1020060031300A external-priority patent/KR100767935B1/ko
Application filed by Daewoo Electronics Corp filed Critical Daewoo Electronics Corp
Application granted granted Critical
Publication of ATE443323T1 publication Critical patent/ATE443323T1/de

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
    • G11B7/0065—Recording, reproducing or erasing by using optical interference patterns, e.g. holograms
    • 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
    • G11B7/083—Disposition or mounting of heads or light sources relatively to record carriers relative to record carriers storing information in the form of optical interference patterns, e.g. holograms
    • 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
    • G11B7/095—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble
    • G11B7/0956—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
AT07005402T 2006-04-06 2007-03-15 Optisches informationswiedergabegerät und optisches informationswiedergabeverfahren damit ATE443323T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020060031299A KR100727779B1 (ko) 2006-04-06 2006-04-06 광정보 재생장치, 광정보 기록재생장치 및 이를 이용한광정보 재생방법
KR1020060031300A KR100767935B1 (ko) 2006-04-06 2006-04-06 광정보 재생장치, 광정보 기록재생장치 및 이를 이용한저장매체의 기울기검출방법

Publications (1)

Publication Number Publication Date
ATE443323T1 true ATE443323T1 (de) 2009-10-15

Family

ID=38255640

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07005402T ATE443323T1 (de) 2006-04-06 2007-03-15 Optisches informationswiedergabegerät und optisches informationswiedergabeverfahren damit

Country Status (6)

Country Link
US (1) US7729224B2 (de)
EP (1) EP1843334B1 (de)
JP (1) JP4949101B2 (de)
AT (1) ATE443323T1 (de)
DE (1) DE602007002433D1 (de)
TW (1) TWI331753B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101459762B1 (ko) * 2007-12-27 2014-11-07 메이플 비젼 테크놀로지스 인크. 광정보 기록방법, 광정보 재생방법
JP5487057B2 (ja) * 2010-09-01 2014-05-07 日立コンシューマエレクトロニクス株式会社 再生装置及び再生方法
JP5707147B2 (ja) * 2011-01-24 2015-04-22 日立コンシューマエレクトロニクス株式会社 光情報再生方法および光情報再生装置
JP5726816B2 (ja) 2012-06-19 2015-06-03 日立コンシューマエレクトロニクス株式会社 ホログラム用光ピックアップ装置、光情報記録再生装置、光情報記録再生方法、及び光情報装置
JP2015103265A (ja) * 2013-11-27 2015-06-04 株式会社日立エルジーデータストレージ 光情報記録再生装置および光情報記録再生方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7116626B1 (en) * 2001-11-27 2006-10-03 Inphase Technologies, Inc. Micro-positioning movement of holographic data storage system components
KR100448285B1 (ko) * 2002-04-17 2004-09-10 주식회사 대우일렉트로닉스 홀로그래픽 디지털 저장 시스템의 흔들림 측정 장치
KR100536721B1 (ko) * 2003-12-15 2005-12-14 주식회사 대우일렉트로닉스 홀로그래픽 롬 시스템의 디스크 틸트 제어장치
JP2006179080A (ja) * 2004-12-21 2006-07-06 Sanyo Electric Co Ltd 傾斜検出装置、ホログラム装置、媒体の傾斜補正方法、ホログラム媒体の傾斜補正方法
JP2006268960A (ja) * 2005-03-24 2006-10-05 Fujitsu Ltd ホログラム記録再生装置

Also Published As

Publication number Publication date
JP2007280592A (ja) 2007-10-25
EP1843334A3 (de) 2008-05-28
JP4949101B2 (ja) 2012-06-06
TW200814032A (en) 2008-03-16
TWI331753B (en) 2010-10-11
US7729224B2 (en) 2010-06-01
EP1843334A2 (de) 2007-10-10
EP1843334B1 (de) 2009-09-16
DE602007002433D1 (de) 2009-10-29
US20070236765A1 (en) 2007-10-11

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Legal Events

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