NL1008436C2 - Optische pickup-aandrijver. - Google Patents

Optische pickup-aandrijver. Download PDF

Info

Publication number
NL1008436C2
NL1008436C2 NL1008436A NL1008436A NL1008436C2 NL 1008436 C2 NL1008436 C2 NL 1008436C2 NL 1008436 A NL1008436 A NL 1008436A NL 1008436 A NL1008436 A NL 1008436A NL 1008436 C2 NL1008436 C2 NL 1008436C2
Authority
NL
Netherlands
Prior art keywords
coil
magnet
lens holder
coils
suspension
Prior art date
Application number
NL1008436A
Other languages
English (en)
Dutch (nl)
Other versions
NL1008436A1 (nl
Inventor
Kwang-Suk Lee
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 NL1008436A1 publication Critical patent/NL1008436A1/xx
Application granted granted Critical
Publication of NL1008436C2 publication Critical patent/NL1008436C2/nl

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
    • 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
    • G11B7/0925Electromechanical actuators for lens positioning
    • G11B7/093Electromechanical actuators for lens positioning for focusing and tracking
    • 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
    • G11B7/0932Details of sprung supports
    • 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/22Apparatus or processes for the manufacture of optical heads, e.g. assembly

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Lens Barrels (AREA)
NL1008436A 1997-02-28 1998-02-27 Optische pickup-aandrijver. NL1008436C2 (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR19970006526 1997-02-28
KR1019970006526A KR100220520B1 (ko) 1997-02-28 1997-02-28 광픽업 액츄에이터

Publications (2)

Publication Number Publication Date
NL1008436A1 NL1008436A1 (nl) 1998-08-31
NL1008436C2 true NL1008436C2 (nl) 1998-12-29

Family

ID=19498340

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1008436A NL1008436C2 (nl) 1997-02-28 1998-02-27 Optische pickup-aandrijver.

Country Status (6)

Country Link
US (1) US6034940A (ko)
JP (1) JPH10334493A (ko)
KR (1) KR100220520B1 (ko)
CN (1) CN1193162A (ko)
FR (1) FR2763737B1 (ko)
NL (1) NL1008436C2 (ko)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000068942A1 (en) * 1999-05-07 2000-11-16 Koninklijke Philips Electronics N.V. Optical scanning device comprising a bent actuator coil
JP2000353330A (ja) * 1999-06-11 2000-12-19 Sony Corp 対物レンズ駆動装置
KR100633201B1 (ko) * 1999-12-23 2006-10-11 엘지전자 주식회사 광픽업용 엑츄에이터
JP3727826B2 (ja) 2000-05-08 2005-12-21 アルパイン株式会社 光学式ピックアップ
US6731572B2 (en) * 2001-04-12 2004-05-04 Samsung Electronics Co., Ltd. Optical pickup actuator, optical pickup employing the optical pickup actuator, and optical recording and/or reproducing apparatus employing the optical pickup
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
JP2004022076A (ja) * 2002-06-17 2004-01-22 Funai Electric Co Ltd 光学式ピックアップ装置
JP3661189B2 (ja) * 2003-01-23 2005-06-15 船井電機株式会社 光ピックアップ
KR100555527B1 (ko) * 2003-11-13 2006-03-03 삼성전자주식회사 고감도 광픽업 액츄에이터 및 이를 채용한 광 기록및/또는 재생기기
KR100515004B1 (ko) * 2003-12-16 2005-09-15 삼성전기주식회사 광 픽업 액추에이터
JP4537126B2 (ja) * 2004-06-16 2010-09-01 株式会社日立メディアエレクトロニクス 対物レンズ駆動装置および光ディスク装置
KR100674296B1 (ko) 2005-11-14 2007-01-24 삼성전기주식회사 모바일용 액츄에이터
KR101210165B1 (ko) * 2006-12-13 2012-12-07 엘지이노텍 주식회사 렌즈 구동용 모터
EP2690765B1 (en) 2006-12-13 2020-05-06 LG Innotek Co., Ltd. Lens driving apparatus
JP5314733B2 (ja) * 2011-07-05 2013-10-16 株式会社日立メディアエレクトロニクス 光ピックアップおよびそれを用いたディスク装置
JP5439452B2 (ja) * 2011-09-30 2014-03-12 株式会社日立メディアエレクトロニクス 光ピックアップ

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0266739A (ja) * 1988-09-01 1990-03-06 Pioneer Electron Corp 光学式ビックアップ装置
JPH02203431A (ja) * 1989-02-02 1990-08-13 Teac Corp 対物レンズ駆動装置及びその製造方法
US5182738A (en) * 1989-11-10 1993-01-26 Canon Kabushiki Kaisha Objective lens actuator using a balance weight therein
JPH05101423A (ja) * 1991-10-08 1993-04-23 Pioneer Electron Corp 光学式記録媒体のピツクアツプ装置
KR0162576B1 (ko) * 1994-04-29 1999-01-15 배순훈 광디스크플레이어용 광픽업엑츄에이터
JPH0877584A (ja) * 1994-08-31 1996-03-22 Pioneer Electron Corp 対物レンズ駆動装置
KR970011821B1 (ko) * 1994-11-17 1997-07-16 대우전자 주식회사 광디스크플레이어의 광픽업액츄에이터
US5878017A (en) * 1995-01-23 1999-03-02 Olympus Optical Company, Ltd. Optical recording and/or reproducing apparatus having objective lens adjusting mechanism
JPH0916990A (ja) * 1995-06-28 1997-01-17 Sony Corp 2軸アクチュエータ
JPH0935930A (ja) * 1995-07-20 1997-02-07 Funai Electric Co Ltd コイル取付機構
JP2576441B2 (ja) * 1995-10-30 1997-01-29 ソニー株式会社 ディスクプレーヤの光学ヘッド装置

Also Published As

Publication number Publication date
KR100220520B1 (ko) 1999-09-15
FR2763737A1 (fr) 1998-11-27
US6034940A (en) 2000-03-07
KR19980069455A (ko) 1998-10-26
FR2763737B1 (fr) 1999-12-10
CN1193162A (zh) 1998-09-16
NL1008436A1 (nl) 1998-08-31
JPH10334493A (ja) 1998-12-18

Similar Documents

Publication Publication Date Title
NL1008436C2 (nl) Optische pickup-aandrijver.
EP0419097A2 (en) Objective lens driving devices
JPH0668843B2 (ja) 光学ピツクアツプ装置
US20040268373A1 (en) Tilt drive optical pickup actuator and optical recording and/or reproducing apparatus using the same and method
US5216648A (en) Objective lens drive apparatus applicable to optical disk apparatus
NL1008437C2 (nl) Optische pick-up inrichting.
JP4852580B2 (ja) 対物レンズ駆動装置
US7543312B2 (en) Optical pickup device
US5078471A (en) Optical head
KR20030027751A (ko) 광학 픽업장치
EP1148483B1 (en) Optical-component-integrated optical pickup
US5872662A (en) Optical pick-up apparatus
US20040148620A1 (en) Magnetic circuit, and optical pickup actuator and optical recording and/or reproducing apparatus using the magnetic circuit
US7969828B2 (en) Optical pickup actuator and optical recording and/or reproducing apparatus having the same
US5724324A (en) Optical pickup actuator with an objective lens fixing part suspended by an elastic members
US20050146999A1 (en) Objective lens driving device enabling speed-up of optical disk drive
JP4759554B2 (ja) 対物レンズ駆動装置およびそれを用いたディスク装置
JPH11312327A (ja) 対物レンズ駆動装置
EP0986812A1 (en) Optical pick-up apparatus
EP2012318B1 (en) Lens holder for optical pickup and optical pickup having same
US7428112B2 (en) Objective lens driving device having damper portions capable of obtaining a moderate damping effect
KR20050010467A (ko) 대물렌즈 구동장치
JP4444783B2 (ja) 対物レンズ駆動装置
US20150033244A1 (en) Actuator, Optical Pickup, and Disc Apparatus
JP3441517B2 (ja) 光学式情報記録再生装置

Legal Events

Date Code Title Description
AD1B A search report has been drawn up
PD2B A search report has been drawn up
VD1 Lapsed due to non-payment of the annual fee

Effective date: 20020901