KR920022239A - 광 픽업의 대물렌즈 구동장치 - Google Patents

광 픽업의 대물렌즈 구동장치 Download PDF

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Publication number
KR920022239A
KR920022239A KR1019910007717A KR910007717A KR920022239A KR 920022239 A KR920022239 A KR 920022239A KR 1019910007717 A KR1019910007717 A KR 1019910007717A KR 910007717 A KR910007717 A KR 910007717A KR 920022239 A KR920022239 A KR 920022239A
Authority
KR
South Korea
Prior art keywords
objective lens
tracking
driving device
optical pickup
lens driving
Prior art date
Application number
KR1019910007717A
Other languages
English (en)
Other versions
KR950013703B1 (ko
Inventor
김춘동
윤영국
장학현
Original Assignee
강진구
삼성전자 주식회사
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 강진구, 삼성전자 주식회사 filed Critical 강진구
Priority to KR1019910007717A priority Critical patent/KR950013703B1/ko
Priority to JP4077579A priority patent/JP2740400B2/ja
Priority to US07/864,657 priority patent/US5285434A/en
Publication of KR920022239A publication Critical patent/KR920022239A/ko
Application granted granted Critical
Publication of KR950013703B1 publication Critical patent/KR950013703B1/ko

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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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • 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
    • 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

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)

Abstract

내용 없음

Description

광 픽업의 대물렌즈 구동장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제3도는 본 발명에 따른 대물렌즈 구동장치의 구성을 보인 분리 사시도.
제4도는 본 발명에 있어서의 작용을 설명하기 위한 개략적 사시도.

Claims (3)

  1. 구동부 본체에 부착된 트래킹 코일과, 그 트래킹 코일의 적어도 일부가 자계내에 높이도록 자기회로를 형성하는 영구자석 및 내, 외측 요크부재를 포함하는 광 픽업의 대물렌즈 구동장치에 있어서, 상기 트래킹 코일(13)(13')과 상기 내, 외측 부재중의 내측 요크 부재(11)(11')에 전후면과 한쪽 측면을 감싸도록 절곡형성되어 그 전면측의 수직한 부분에 흐르는 전류방향에 따라 트래킹 방향으로 구동되게 구성한 것을 특징으로 하는 대물렌즈 구동장치.
  2. 제1항에 있어서, 상기 구동부 본체(1)가 트래킹 방향으로 구동될때 평형상태를 유지하도록 상기 트래킹 코일(13)(13')과 상기 내측 요크부재(11)(11')가 각각 한쌍씩 구비되어 좌우 2개소에 대칭되게 설치되어 된 것을 특징으로 하는 대물렌즈 구동장치.
  3. 제1항 또는 제2항중의 어느 한 항에 있어서, 상기 트래킹 코일(13)(13')이 코일 인덕턴스를 증가시키지 않도록 중공부(13b)(13b')를 가지게끔 권선된 것을 특징으로 하는 대물렌즈 구동장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.
KR1019910007717A 1991-05-13 1991-05-13 광 픽업의 대물렌즈 구동장치 KR950013703B1 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1019910007717A KR950013703B1 (ko) 1991-05-13 1991-05-13 광 픽업의 대물렌즈 구동장치
JP4077579A JP2740400B2 (ja) 1991-05-13 1992-03-31 光ピックアップの対物レンズ駆動装置
US07/864,657 US5285434A (en) 1991-05-13 1992-04-07 Objective lens driving apparatus for optical pickup

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910007717A KR950013703B1 (ko) 1991-05-13 1991-05-13 광 픽업의 대물렌즈 구동장치

Publications (2)

Publication Number Publication Date
KR920022239A true KR920022239A (ko) 1992-12-19
KR950013703B1 KR950013703B1 (ko) 1995-11-13

Family

ID=19314382

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910007717A KR950013703B1 (ko) 1991-05-13 1991-05-13 광 픽업의 대물렌즈 구동장치

Country Status (3)

Country Link
US (1) US5285434A (ko)
JP (1) JP2740400B2 (ko)
KR (1) KR950013703B1 (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030008084A (ko) * 2001-07-16 2003-01-24 (주)월드텔레콤 광픽업 액추에이터
KR100483613B1 (ko) * 2002-08-08 2005-04-18 삼성전기주식회사 광 픽업 액추에이터의 요크 플레이트

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY109874A (en) * 1992-12-17 1997-09-30 Koninklijke Philips Electronics Nv Scanning device and optical player comprising the scanning device
JP2773626B2 (ja) * 1994-02-25 1998-07-09 松下電器産業株式会社 対物レンズ駆動装置
JP3834831B2 (ja) * 1995-03-20 2006-10-18 ソニー株式会社 対物レンズ駆動装置及びこの対物レンズ駆動装置を用いた光ピックアップ装置
US5881033A (en) * 1996-01-31 1999-03-09 Matsushita Electric Industrial Co., Ltd. Objective lens actuator having a high degree of design freedom
US6181670B1 (en) * 1997-01-31 2001-01-30 Kabushiki Kaisha Toshiba Objective lens mounting apparatus and objective lens driving apparatus
US5986825A (en) * 1997-11-19 1999-11-16 Eastman Kodak Company Optical actuator with tensioned suspension
US6278669B1 (en) * 1998-03-04 2001-08-21 Matsushita Electric Industrial Company, Ltd. Objective lens driving apparatus
US6344936B1 (en) 1999-09-29 2002-02-05 Matsushita Electric Industrial Co., Ltd. Objective lens driving apparatus
JP2005522812A (ja) * 2002-04-15 2005-07-28 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 光ディスクドライブのための読み取り／書き込みヘッド及びかような読み取り／書き込みヘッドを有する光ディスクドライブ
KR100689042B1 (ko) 2005-04-20 2007-03-09 삼성전자주식회사 광픽업용 액츄에이터 및 광기록 및/또는 재생장치
JP2007155886A (ja) * 2005-12-01 2007-06-21 Sanyo Electric Co Ltd レンズ駆動装置
US8042130B2 (en) 2006-01-22 2011-10-18 Mitsubishi Electric Corporation Optical driving device including a holder with a top face having a closed structure

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58140521U (ja) * 1982-03-12 1983-09-21 パイオニア株式会社 光学式ピツクアツプ用アクチユエ−タ
US4818066A (en) * 1984-01-30 1989-04-04 Canon Kabushiki Kaisha Objective lens driving device
JPS6231038A (ja) * 1985-08-02 1987-02-10 Olympus Optical Co Ltd 光学式ピツクアツプにおける光学系支持装置
JPH0734265B2 (ja) * 1985-12-23 1995-04-12 オリンパス光学工業株式会社 対物レンズ駆動装置
JPS62120427U (ko) * 1986-01-23 1987-07-30
JPH0454565Y2 (ko) * 1986-07-23 1992-12-22
JPS63167436A (ja) * 1986-12-27 1988-07-11 Brother Ind Ltd 対物レンズ駆動装置
JPS6417226A (en) * 1987-07-10 1989-01-20 Brother Ind Ltd Objective lens driving device
JPS6442520U (ko) * 1987-09-08 1989-03-14
US5046821A (en) * 1988-11-02 1991-09-10 Nec Corporation Optics support for an optical disk drive
JPH0690803B2 (ja) * 1989-05-22 1994-11-14 パイオニア株式会社 情報読取装置の製造方法
JPH03205635A (ja) * 1989-10-17 1991-09-09 Ricoh Co Ltd 光学系駆動装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030008084A (ko) * 2001-07-16 2003-01-24 (주)월드텔레콤 광픽업 액추에이터
KR100483613B1 (ko) * 2002-08-08 2005-04-18 삼성전기주식회사 광 픽업 액추에이터의 요크 플레이트

Also Published As

Publication number Publication date
JPH0581682A (ja) 1993-04-02
JP2740400B2 (ja) 1998-04-15
KR950013703B1 (ko) 1995-11-13
US5285434A (en) 1994-02-08

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