ATE418780T1 - Antrieb für einen optischen abtastkopf - Google Patents

Antrieb für einen optischen abtastkopf

Info

Publication number
ATE418780T1
ATE418780T1 AT05013499T AT05013499T ATE418780T1 AT E418780 T1 ATE418780 T1 AT E418780T1 AT 05013499 T AT05013499 T AT 05013499T AT 05013499 T AT05013499 T AT 05013499T AT E418780 T1 ATE418780 T1 AT E418780T1
Authority
AT
Austria
Prior art keywords
coil
drive
optical scanning
scanning head
disposed
Prior art date
Application number
AT05013499T
Other languages
English (en)
Inventor
Jeong Yeop Han
Original Assignee
Lg Electronics Inc
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 KR1020040047976A external-priority patent/KR101043101B1/ko
Priority claimed from KR1020040065738A external-priority patent/KR100713544B1/ko
Priority claimed from KR1020040065739A external-priority patent/KR20060017169A/ko
Application filed by Lg Electronics Inc filed Critical Lg Electronics Inc
Application granted granted Critical
Publication of ATE418780T1 publication Critical patent/ATE418780T1/de

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • G11B7/0925Electromechanical actuators for lens positioning
    • G11B7/0933Details of stationary parts
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • G11B7/0925Electromechanical actuators for lens positioning
    • G11B7/0935Details of the moving parts
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • G11B7/095Disposition 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
    • G11B7/0956Disposition 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)
  • Lens Barrels (AREA)
  • Wire Bonding (AREA)
AT05013499T 2004-06-25 2005-06-22 Antrieb für einen optischen abtastkopf ATE418780T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020040047976A KR101043101B1 (ko) 2004-06-25 2004-06-25 광 픽업 액츄에이터
KR1020040065738A KR100713544B1 (ko) 2004-08-20 2004-08-20 광 픽업 액츄에이터
KR1020040065739A KR20060017169A (ko) 2004-08-20 2004-08-20 광 픽업 액츄에이터

Publications (1)

Publication Number Publication Date
ATE418780T1 true ATE418780T1 (de) 2009-01-15

Family

ID=35241195

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05013499T ATE418780T1 (de) 2004-06-25 2005-06-22 Antrieb für einen optischen abtastkopf

Country Status (4)

Country Link
US (1) US7724614B2 (de)
EP (1) EP1612780B1 (de)
AT (1) ATE418780T1 (de)
DE (1) DE602005011896D1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI322424B (en) * 2005-12-27 2010-03-21 Ind Tech Res Inst Objective lens deiving apparatus
JPWO2009051198A1 (ja) * 2007-10-16 2011-03-03 三洋電機株式会社 保持部材、駆動装置、ピックアップ装置、並びにディスク装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5708633A (en) * 1995-06-07 1998-01-13 Discovision Associates Method and apparatus for manufacturing information storage devices
US5905255A (en) * 1997-01-14 1999-05-18 Matsushita Electric Industrial Co., Ltd. Objective lens driver
KR100421041B1 (ko) 2001-06-19 2004-03-04 삼성전자주식회사 광픽업 액튜에이터, 광픽업 장치 및 광기록/재생 장치
JP2003196870A (ja) * 2001-12-26 2003-07-11 Tdk Corp 光ディスクドライブ装置、光ピックアップ及びこれらの製造方法、調整方法
JP2003242671A (ja) * 2002-02-15 2003-08-29 Sanyo Electric Co Ltd アクチュエータのサスペンション架設装置
EP1355301A3 (de) 2002-04-20 2006-03-29 Lg Electronics Inc. Aktuator für optisches Abtastgerät
US7287264B2 (en) 2002-06-06 2007-10-23 Ricoh Company, Ltd. Objective lens drive apparatus with objective lens portion movable along support member axial direction
JP2004110971A (ja) 2002-09-19 2004-04-08 Ricoh Co Ltd 対物レンズ駆動装置、光ピックアップ装置、及び光ディスク装置
JP2004213861A (ja) * 2002-12-20 2004-07-29 Sharp Corp 対物レンズ駆動装置及び光ピックアップ装置。
KR100688597B1 (ko) * 2005-03-25 2007-03-02 도시바삼성스토리지테크놀러지코리아 주식회사 고추력을 갖는 광픽업 액츄에이터 및 이를 이용한광기록/재생장치

Also Published As

Publication number Publication date
EP1612780B1 (de) 2008-12-24
EP1612780A2 (de) 2006-01-04
EP1612780A3 (de) 2006-08-02
DE602005011896D1 (de) 2009-02-05
US20050286356A1 (en) 2005-12-29
US7724614B2 (en) 2010-05-25

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Legal Events

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