ATE279771T1 - Optisches abtastgerät mit einem stellantrieb für eine verschiebbare kollimatorlinse - Google Patents

Optisches abtastgerät mit einem stellantrieb für eine verschiebbare kollimatorlinse

Info

Publication number
ATE279771T1
ATE279771T1 AT01913786T AT01913786T ATE279771T1 AT E279771 T1 ATE279771 T1 AT E279771T1 AT 01913786 T AT01913786 T AT 01913786T AT 01913786 T AT01913786 T AT 01913786T AT E279771 T1 ATE279771 T1 AT E279771T1
Authority
AT
Austria
Prior art keywords
collimator lens
lens unit
scanning device
optical axis
actuator
Prior art date
Application number
AT01913786T
Other languages
English (en)
Inventor
Jan W Aarts
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE279771T1 publication Critical patent/ATE279771T1/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
    • G11B7/08—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
    • G11B7/0925—Electromechanical actuators for lens positioning
    • 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
    • G11B7/1372—Lenses
    • G11B7/1376—Collimator lenses
    • 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
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/0933—Details of stationary parts
    • 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
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/0935—Details of the moving parts
    • 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
    • G11B7/1372—Lenses
    • G11B7/1374—Objective lenses
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • 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
    • G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD
    • 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
    • G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0009—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage
    • G11B2007/0013—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage for carriers having multiple discrete layers
    • 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
    • G11B7/1372—Lenses
    • G11B2007/13727—Compound lenses, i.e. two or more lenses co-operating to perform a function, e.g. compound objective lens including a solid immersion lens, positive and negative lenses either bonded together or with adjustable spacing
    • 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
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/0927—Electromechanical actuators for lens positioning for focusing only

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Facsimile Heads (AREA)
AT01913786T 2000-02-24 2001-02-05 Optisches abtastgerät mit einem stellantrieb für eine verschiebbare kollimatorlinse ATE279771T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP00200639 2000-02-24
PCT/EP2001/001230 WO2001067440A1 (en) 2000-02-24 2001-02-05 Optical scanning device comprising an actuator for a displaceable collimator lens

Publications (1)

Publication Number Publication Date
ATE279771T1 true ATE279771T1 (de) 2004-10-15

Family

ID=8171081

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01913786T ATE279771T1 (de) 2000-02-24 2001-02-05 Optisches abtastgerät mit einem stellantrieb für eine verschiebbare kollimatorlinse

Country Status (11)

Country Link
US (1) US6469819B2 (de)
EP (1) EP1175671B1 (de)
JP (1) JP2003526867A (de)
KR (1) KR100775944B1 (de)
CN (1) CN1188846C (de)
AT (1) ATE279771T1 (de)
DE (1) DE60106344T2 (de)
HU (1) HUP0201363A3 (de)
MY (1) MY126835A (de)
RU (1) RU2271579C2 (de)
WO (1) WO2001067440A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4373036B2 (ja) * 2001-08-31 2009-11-25 パイオニア株式会社 光ピックアップ
KR100488009B1 (ko) * 2002-08-06 2005-05-09 엘지전자 주식회사 콜리미터 액츄에이터
KR100557040B1 (ko) * 2003-12-30 2006-03-03 엘지전자 주식회사 광 픽업 시스템
CN100401394C (zh) * 2004-12-06 2008-07-09 上海乐金广电电子有限公司 光学拾取系统
JP2006223081A (ja) * 2005-01-14 2006-08-24 Matsushita Electric Ind Co Ltd アクチュエータ構造およびそれを用いたアクチュエータブロック、ならびに電子機器
CN101116138A (zh) * 2005-02-04 2008-01-30 皇家飞利浦电子股份有限公司 光学驱动器中捕获焦点的方法
US7602562B2 (en) * 2007-05-21 2009-10-13 Electro Scientific Industries, Inc. Fluid counterbalance for a laser lens used to scribe an electronic component substrate
US20110235494A1 (en) * 2009-09-28 2011-09-29 Sanyo Electric Co., Ltd. Optical Pickup Apparatus

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58185038A (ja) * 1982-04-23 1983-10-28 Toshiba Corp 光学式情報読取装置
US4553227A (en) * 1982-04-23 1985-11-12 Tokyo Shibaura Denki Kabushiki Kaisha Optical pickup
SU1403830A1 (ru) * 1986-03-10 1990-08-30 Институт электроники АН БССР Оптическое сканирующее устройство
US5001694A (en) * 1986-05-06 1991-03-19 Pencom International Corp. Tracking and focus actuator for a holographic optical head
US4959824A (en) * 1987-07-31 1990-09-25 Minolta Camera Kabushiki Kaisha Optical information record/pickup head assembly
JPS6435736A (en) * 1987-07-31 1989-02-06 Minolta Camera Kk Optical head in optical disk recording and reproducing device
JPH08203094A (ja) * 1995-01-26 1996-08-09 Matsushita Electric Ind Co Ltd 光学システム
US5754513A (en) * 1995-04-28 1998-05-19 Konica Corporation Information pick-up apparatus and optical disk apparatus
JPH08321067A (ja) * 1995-05-22 1996-12-03 Sanyo Electric Co Ltd 光ピックアップ装置
JP3511786B2 (ja) * 1996-03-19 2004-03-29 株式会社デンソー 光学ヘッド
JPH10134400A (ja) * 1996-10-28 1998-05-22 Nec Corp 光ヘッド装置
JP2001176121A (ja) * 1999-12-17 2001-06-29 Olympus Optical Co Ltd 情報記録再生装置の光学素子支持装置

Also Published As

Publication number Publication date
JP2003526867A (ja) 2003-09-09
WO2001067440A1 (en) 2001-09-13
KR100775944B1 (ko) 2007-11-13
EP1175671A1 (de) 2002-01-30
CN1188846C (zh) 2005-02-09
RU2271579C2 (ru) 2006-03-10
HUP0201363A2 (en) 2002-08-28
DE60106344D1 (de) 2004-11-18
HUP0201363A3 (en) 2004-12-28
EP1175671B1 (de) 2004-10-13
US20010028493A1 (en) 2001-10-11
DE60106344T2 (de) 2005-09-22
MY126835A (en) 2006-10-31
KR20020027308A (ko) 2002-04-13
US6469819B2 (en) 2002-10-22
CN1366664A (zh) 2002-08-28

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