DE602004016720D1 - Kippservovorrichtung zur Verwendung in einem Rom-system - Google Patents

Kippservovorrichtung zur Verwendung in einem Rom-system

Info

Publication number
DE602004016720D1
DE602004016720D1 DE602004016720T DE602004016720T DE602004016720D1 DE 602004016720 D1 DE602004016720 D1 DE 602004016720D1 DE 602004016720 T DE602004016720 T DE 602004016720T DE 602004016720 T DE602004016720 T DE 602004016720T DE 602004016720 D1 DE602004016720 D1 DE 602004016720D1
Authority
DE
Germany
Prior art keywords
servo device
tilt servo
rome
rome system
tilt
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
DE602004016720T
Other languages
English (en)
Inventor
Yul Kim Kun
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.)
WiniaDaewoo Co Ltd
Original Assignee
Daewoo Electronics 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 Daewoo Electronics Co Ltd filed Critical Daewoo Electronics Co Ltd
Publication of DE602004016720D1 publication Critical patent/DE602004016720D1/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
    • G11B7/12—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
    • G11B7/1353—Diffractive elements, e.g. holograms or gratings
    • 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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Holo Graphy (AREA)
  • Optical Head (AREA)
DE602004016720T 2003-12-15 2004-05-19 Kippservovorrichtung zur Verwendung in einem Rom-system Expired - Lifetime DE602004016720D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR10-2003-0091068A KR100536721B1 (ko) 2003-12-15 2003-12-15 홀로그래픽 롬 시스템의 디스크 틸트 제어장치

Publications (1)

Publication Number Publication Date
DE602004016720D1 true DE602004016720D1 (de) 2008-11-06

Family

ID=34511221

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004016720T Expired - Lifetime DE602004016720D1 (de) 2003-12-15 2004-05-19 Kippservovorrichtung zur Verwendung in einem Rom-system

Country Status (6)

Country Link
US (1) US7027196B2 (de)
EP (1) EP1544854B1 (de)
JP (1) JP2005182975A (de)
KR (1) KR100536721B1 (de)
CN (1) CN1296916C (de)
DE (1) DE602004016720D1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100676873B1 (ko) * 2005-12-22 2007-02-02 주식회사 대우일렉트로닉스 광정보 재생장치, 광정보 기록재생장치, 이를 이용한 광틸팅방법
KR100727779B1 (ko) * 2006-04-06 2007-06-14 주식회사 대우일렉트로닉스 광정보 재생장치, 광정보 기록재생장치 및 이를 이용한광정보 재생방법
DE602007002433D1 (de) 2006-04-06 2009-10-29 Daewoo Electronics Corp Optisches Informationswiedergabegerät und optisches Informationswiedergabeverfahren damit
JP2008097701A (ja) * 2006-10-11 2008-04-24 Sony Corp 光ディスク装置及びディスクチルト補正方法、並びに光ディスク
JP4784473B2 (ja) * 2006-10-13 2011-10-05 ソニー株式会社 光ディスク装置及びディスクチルト補正方法、並びに光ディスク
JP2009020134A (ja) * 2007-07-10 2009-01-29 Sharp Corp ホログラム素子、ホログラム素子作製装置、ホログラム素子作製方法、およびホログラム再生装置
JP4539766B2 (ja) * 2008-08-13 2010-09-08 ソニー株式会社 ホログラム記録再生装置、ホログラム記録再生方法およびホログラム記録媒体
KR20100135048A (ko) * 2009-06-16 2010-12-24 삼성전자주식회사 경사 보상이 가능한 인코더, 이를 이용한 하드 디스크 드라이브 및 하드 디스크 드라이브를 위한 서보 트랙 기록 장치
US20140362676A1 (en) * 2011-12-28 2014-12-11 Electronics And Telecommunications Research Institute Optical information processing apparatus and method for controlling same

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4478480A (en) * 1982-12-27 1984-10-23 Benson, Inc. Holographic scanner spinner wobble correction system
JP3715443B2 (ja) * 1998-08-27 2005-11-09 パイオニア株式会社 光ピックアップ装置
JP2001273650A (ja) 2000-03-29 2001-10-05 Optware:Kk 光ピックアップ装置
JP3456579B2 (ja) * 2000-04-20 2003-10-14 日本電気株式会社 光ヘッド装置および光学式情報記録再生装置
US6661769B2 (en) * 2000-09-29 2003-12-09 Matsushita Electric Industrial Co., Ltd. Optical storage medium, a tilt detection apparatus, and a data recording and reproducing apparatus
JP2002230801A (ja) * 2001-02-02 2002-08-16 Pioneer Electronic Corp 光ピックアップ装置
JP2002216368A (ja) * 2001-01-15 2002-08-02 Sony Corp 光ピックアップ装置及び光学ディスク装置
JP4453213B2 (ja) * 2001-03-30 2010-04-21 旭硝子株式会社 光ヘッド装置
KR100448285B1 (ko) 2002-04-17 2004-09-10 주식회사 대우일렉트로닉스 홀로그래픽 디지털 저장 시스템의 흔들림 측정 장치

Also Published As

Publication number Publication date
EP1544854A1 (de) 2005-06-22
CN1629949A (zh) 2005-06-22
KR20050059448A (ko) 2005-06-21
EP1544854B1 (de) 2008-09-24
US20050128541A1 (en) 2005-06-16
JP2005182975A (ja) 2005-07-07
CN1296916C (zh) 2007-01-24
US7027196B2 (en) 2006-04-11
KR100536721B1 (ko) 2005-12-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition