KR920022223A - 광학계 구동장치 - Google Patents

광학계 구동장치 Download PDF

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Publication number
KR920022223A
KR920022223A KR1019910007718A KR910007718A KR920022223A KR 920022223 A KR920022223 A KR 920022223A KR 1019910007718 A KR1019910007718 A KR 1019910007718A KR 910007718 A KR910007718 A KR 910007718A KR 920022223 A KR920022223 A KR 920022223A
Authority
KR
South Korea
Prior art keywords
optical system
movable body
system drive
coils
act
Prior art date
Application number
KR1019910007718A
Other languages
English (en)
Inventor
김춘동
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 KR1019910007718A priority Critical patent/KR920022223A/ko
Priority to US07/851,678 priority patent/US5359459A/en
Priority to JP4065997A priority patent/JP2793069B2/ja
Publication of KR920022223A publication Critical patent/KR920022223A/ko

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
    • 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
    • G11B7/08—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
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/003—Alignment of optical elements
    • G02B7/005—Motorised alignment
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/023—Mountings, adjusting means, or light-tight connections, for optical elements for lenses permitting adjustment
    • 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
    • G11B7/0933—Details of stationary parts

Abstract

내용 없음

Description

광학계 구동장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도(a)(b)는 본 발명의 광학계 구동장치를 설명하기 위한 개략적인 평면도와 측면도.
제3도는 본 발명에 의한 광픽업의 광학계 구동장치를 나타낸 분리사시도.
제4도는 제3도의 코일에 나타나는 작용을 설명하기 위한 그 정면도.

Claims (2)

  1. 광학계 가동체의 양측부에 수직한 자속을 발생하며 상호 다른 극성의 자극이 대향되게 배치된 2개의 영구자석과, 이를 영구자석의 외측면을 연결하는 요크부재로 이루어지는 단일한 자기회로; 및 상기 광학계 가동체의 자계내에 있고 주변에 권선 또는 부착되고 상기 자속과 쇄교하여 서로 수직한 두방향의 힘이 작용하는 복수의 코일뭉치로 이루어지는 전기회로를 포함하여 상기 광학계 가동체가 상기 두방향의 힘이 작용하는 것에 의하여 변위하도록 구성하여 된 것을 특징으로 하는 광학계 구동장치.
  2. 제1항에 있어서, 상기 복수의 코일뭉치가 상기 광학계 가동체의 전후좌우 측면에 각각 부착되어, 서로 대응하는 것에 같은 방향의 힘이, 그리고 비대응하는 것과는 교차 방향의 힘이 작용토록 결합된 것을 특징으로 하는 광학계 구동장치.
    * 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910007718A 1991-05-13 1991-05-13 광학계 구동장치 KR920022223A (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1019910007718A KR920022223A (ko) 1991-05-13 1991-05-13 광학계 구동장치
US07/851,678 US5359459A (en) 1991-05-13 1992-03-11 Optical system driving apparatus
JP4065997A JP2793069B2 (ja) 1991-05-13 1992-03-24 光学系駆動装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910007718A KR920022223A (ko) 1991-05-13 1991-05-13 광학계 구동장치

Publications (1)

Publication Number Publication Date
KR920022223A true KR920022223A (ko) 1992-12-19

Family

ID=19314383

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910007718A KR920022223A (ko) 1991-05-13 1991-05-13 광학계 구동장치

Country Status (3)

Country Link
US (1) US5359459A (ko)
JP (1) JP2793069B2 (ko)
KR (1) KR920022223A (ko)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970076542A (ko) * 1996-05-22 1997-12-12 김광호 고역 감도를 증가시킬 수 있는 코일 권선 방법
US5640279A (en) * 1996-06-07 1997-06-17 Eastman Kodak Company Beam splitter for optical reading and writing actuator
US6181670B1 (en) * 1997-01-31 2001-01-30 Kabushiki Kaisha Toshiba Objective lens mounting apparatus and objective lens driving apparatus
JP2001060328A (ja) * 1999-08-24 2001-03-06 Pioneer Electronic Corp ディスクプレーヤのレンズ駆動装置
US6344936B1 (en) 1999-09-29 2002-02-05 Matsushita Electric Industrial Co., Ltd. Objective lens driving apparatus
JP2001229557A (ja) * 2000-02-09 2001-08-24 Pioneer Electronic Corp ディスクプレーヤのレンズ駆動装置及びディスクプレーヤのレンズ駆動装置用のプリント基板コイル
US7280442B2 (en) 2002-11-26 2007-10-09 Lg Electronics Inc. Slim-type optical pick-up actuator for recording/reproducing device
KR100713542B1 (ko) * 2003-03-17 2007-05-02 엘지전자 주식회사 슬림형 광 픽업 액츄에이터

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS576444A (en) * 1980-06-16 1982-01-13 Olympus Optical Co Ltd Objective lens driving device
US4507764A (en) * 1981-08-25 1985-03-26 Olympus Optical Co., Ltd. Objective lens drive device with tracking error correction with flux of opposite direction
JPS58163908U (ja) * 1982-04-27 1983-11-01 株式会社三協精機製作所 対物レンズ駆動装置
US4566089A (en) * 1983-03-30 1986-01-21 Mitsubishi Denki Kabushiki Kaisha Deviation correction apparatus for optical disc light beams
US4818066A (en) * 1984-01-30 1989-04-04 Canon Kabushiki Kaisha Objective lens driving device
JPS6124820U (ja) * 1984-07-13 1986-02-14 パイオニア株式会社 レンズ駆動装置
DE3574302D1 (en) * 1984-10-02 1989-12-21 Toshiba Kk Optical head apparatus for recording and reproducing data on a recording medium
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
JPS6238537A (ja) * 1985-08-13 1987-02-19 Olympus Optical Co Ltd アクチユエ−タ
US4750164A (en) * 1985-12-09 1988-06-07 Canon Kabushiki Kaisha Optical system driving device
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
JPS62209737A (ja) * 1986-03-10 1987-09-14 Matsushita Electric Ind Co Ltd 対物レンズ駆動装置
JPS62277638A (ja) * 1986-05-26 1987-12-02 Matsushita Electric Ind Co Ltd 対物レンズ駆動装置
JPS63167436A (ja) * 1986-12-27 1988-07-11 Brother Ind Ltd 対物レンズ駆動装置
JP2676342B2 (ja) * 1987-04-17 1997-11-12 パイオニア株式会社 光学式ピックアップの光学部品駆動装置
JPH0750528B2 (ja) * 1987-06-25 1995-05-31 三菱電機株式会社 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
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
JPH0734495Y2 (ja) * 1989-05-09 1995-08-02 パイオニア株式会社 光学式ピックアップ
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
US5107372A (en) * 1989-09-06 1992-04-21 Daniel Gelbart Focus servo actuator for moving lens scanners
JPH03205635A (ja) * 1989-10-17 1991-09-09 Ricoh Co Ltd 光学系駆動装置
US5177640A (en) * 1991-10-08 1993-01-05 Applied Magnetics Corporation Two-axis moving coil actuator

Also Published As

Publication number Publication date
JP2793069B2 (ja) 1998-09-03
JPH0573940A (ja) 1993-03-26
US5359459A (en) 1994-10-25

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