DE602004031063D1 - Hochempfindlicher Lesekopf-Stellantrieb für ein Laufwerk - Google Patents

Hochempfindlicher Lesekopf-Stellantrieb für ein Laufwerk

Info

Publication number
DE602004031063D1
DE602004031063D1 DE602004031063T DE602004031063T DE602004031063D1 DE 602004031063 D1 DE602004031063 D1 DE 602004031063D1 DE 602004031063 T DE602004031063 T DE 602004031063T DE 602004031063 T DE602004031063 T DE 602004031063T DE 602004031063 D1 DE602004031063 D1 DE 602004031063D1
Authority
DE
Germany
Prior art keywords
drive
read head
highly sensitive
head actuator
sensitive read
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
DE602004031063T
Other languages
English (en)
Inventor
Byung-Youn Song
Hyung-Joo Kang
Dae-Jong Jang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of DE602004031063D1 publication Critical patent/DE602004031063D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G11B7/095—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble
    • G11B7/0956—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 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
    • 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
    • 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
DE602004031063T 2003-11-13 2004-11-05 Hochempfindlicher Lesekopf-Stellantrieb für ein Laufwerk Active DE602004031063D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020030080100A KR100555527B1 (ko) 2003-11-13 2003-11-13 고감도 광픽업 액츄에이터 및 이를 채용한 광 기록및/또는 재생기기

Publications (1)

Publication Number Publication Date
DE602004031063D1 true DE602004031063D1 (de) 2011-02-24

Family

ID=34431764

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004031063T Active DE602004031063D1 (de) 2003-11-13 2004-11-05 Hochempfindlicher Lesekopf-Stellantrieb für ein Laufwerk

Country Status (7)

Country Link
US (1) US7352663B2 (de)
EP (2) EP2136365B1 (de)
JP (1) JP3950134B2 (de)
KR (1) KR100555527B1 (de)
CN (1) CN1302471C (de)
DE (1) DE602004031063D1 (de)
TW (1) TWI288409B (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006066048A (ja) * 2003-12-25 2006-03-09 Nidec Sankyo Corp 対物レンズ駆動装置、及びそれを備えた光ヘッド装置
JP2005251358A (ja) * 2004-03-08 2005-09-15 Sankyo Seiki Mfg Co Ltd 対物レンズ駆動装置、及びそれを備えた光ヘッド装置
KR100688597B1 (ko) 2005-03-25 2007-03-02 도시바삼성스토리지테크놀러지코리아 주식회사 고추력을 갖는 광픽업 액츄에이터 및 이를 이용한광기록/재생장치
KR100689042B1 (ko) 2005-04-20 2007-03-09 삼성전자주식회사 광픽업용 액츄에이터 및 광기록 및/또는 재생장치
JP4559905B2 (ja) * 2005-04-28 2010-10-13 スミダコーポレーション株式会社 光ピックアップアクチュエータ
KR100717054B1 (ko) * 2005-11-09 2007-05-14 삼성전자주식회사 광픽업 액츄에이터
EP1966793A1 (de) * 2005-12-21 2008-09-10 Koninklijke Philips Electronics N.V. Aktuator für einen optischen lesekopf und optische scan-vorrichtung
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
JP4533322B2 (ja) * 2006-01-31 2010-09-01 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
JP4852580B2 (ja) * 2008-09-16 2012-01-11 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
EP2633515B1 (de) * 2010-10-28 2018-03-07 Gibson Brands, Inc. Doppelspuliger bifilarer magnetischer tonabnehmer mit geringer impedanz
KR102233576B1 (ko) * 2018-10-17 2021-03-30 자화전자(주) 다극 마그네트 구조가 장착된 액추에이터

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62133215U (de) * 1986-02-10 1987-08-22
JP2798719B2 (ja) * 1989-08-15 1998-09-17 オリンパス光学工業株式会社 光学系支持装置
JP2765633B2 (ja) * 1989-11-02 1998-06-18 オリンパス光学工業株式会社 光学系支持装置
KR100220520B1 (ko) * 1997-02-28 1999-09-15 전주범 광픽업 액츄에이터
JPH10334486A (ja) * 1997-05-27 1998-12-18 Mitsumi Electric Co Ltd 光ピックアップ
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
TW522394B (en) * 2000-07-14 2003-03-01 Tdk Corp Objective lens drive apparatus for use in optical pickup
KR100727911B1 (ko) * 2000-12-08 2007-06-14 삼성전자주식회사 광픽업용 4축구동 액추에이터
US20030012090A1 (en) * 2001-07-12 2003-01-16 Tdk Corporation Objective lens drive apparatus for use in optical pickup
JP4522027B2 (ja) * 2001-07-31 2010-08-11 パイオニア株式会社 アクチュエータ用マグネット、アクチュエータ、および、着磁装置
KR100620020B1 (ko) * 2001-09-21 2006-09-05 엘지전자 주식회사 광픽업의 렌즈홀더 조정장치
JP3918490B2 (ja) * 2001-10-11 2007-05-23 ソニー株式会社 光学ピックアップ及びディスクドライブ装置
KR100636127B1 (ko) * 2001-12-01 2006-10-19 삼성전자주식회사 광픽업용 액츄에이터
JP2003173557A (ja) * 2001-12-05 2003-06-20 Sanyo Electric Co Ltd 光ピックアップ装置
KR100498443B1 (ko) * 2002-01-08 2005-07-01 삼성전자주식회사 광픽업용 액츄에이터
EP1355301A3 (de) * 2002-04-20 2006-03-29 Lg Electronics Inc. Aktuator für optisches Abtastgerät

Also Published As

Publication number Publication date
JP2005149716A (ja) 2005-06-09
US20050117469A1 (en) 2005-06-02
JP3950134B2 (ja) 2007-07-25
KR20050046109A (ko) 2005-05-18
EP1533799A2 (de) 2005-05-25
TWI288409B (en) 2007-10-11
TW200519922A (en) 2005-06-16
KR100555527B1 (ko) 2006-03-03
CN1617240A (zh) 2005-05-18
CN1302471C (zh) 2007-02-28
EP2136365A1 (de) 2009-12-23
EP1533799A3 (de) 2006-05-17
EP2136365B1 (de) 2011-01-12
US7352663B2 (en) 2008-04-01

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