DE60220219D1 - Antriebsmagnet, Antrieb und Magnetisierungsvorrichtung - Google Patents

Antriebsmagnet, Antrieb und Magnetisierungsvorrichtung

Info

Publication number
DE60220219D1
DE60220219D1 DE60220219T DE60220219T DE60220219D1 DE 60220219 D1 DE60220219 D1 DE 60220219D1 DE 60220219 T DE60220219 T DE 60220219T DE 60220219 T DE60220219 T DE 60220219T DE 60220219 D1 DE60220219 D1 DE 60220219D1
Authority
DE
Germany
Prior art keywords
drive
magnetization device
magnet
drive magnet
magnetization
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.)
Expired - Lifetime
Application number
DE60220219T
Other languages
English (en)
Other versions
DE60220219T2 (de
Inventor
Jun Suzuki
Eiji Kuroki
Kazutaka Goami
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.)
Pioneer Corp
Original Assignee
Pioneer Corp
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 Pioneer Corp filed Critical Pioneer Corp
Application granted granted Critical
Publication of DE60220219D1 publication Critical patent/DE60220219D1/de
Publication of DE60220219T2 publication Critical patent/DE60220219T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G11B7/0933—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
DE60220219T 2001-07-31 2002-07-30 Antriebsmagnet, Antrieb und Magnetisierungsvorrichtung Expired - Lifetime DE60220219T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001232824 2001-07-31
JP2001232824A JP4522027B2 (ja) 2001-07-31 2001-07-31 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

Publications (2)

Publication Number Publication Date
DE60220219D1 true DE60220219D1 (de) 2007-07-05
DE60220219T2 DE60220219T2 (de) 2008-01-24

Family

ID=19064678

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60220219T Expired - Lifetime DE60220219T2 (de) 2001-07-31 2002-07-30 Antriebsmagnet, Antrieb und Magnetisierungsvorrichtung

Country Status (5)

Country Link
US (2) US7062775B2 (de)
EP (1) EP1282120B1 (de)
JP (1) JP4522027B2 (de)
CN (1) CN1251198C (de)
DE (1) DE60220219T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3849777B2 (ja) * 2003-01-10 2006-11-22 船井電機株式会社 光ピックアップ
KR100510539B1 (ko) * 2003-08-05 2005-08-26 삼성전자주식회사 오목부 패턴의 자석 및 이를 구비하는 광픽업용 액추에이터
KR100555527B1 (ko) * 2003-11-13 2006-03-03 삼성전자주식회사 고감도 광픽업 액츄에이터 및 이를 채용한 광 기록및/또는 재생기기
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
JP4456911B2 (ja) 2004-03-30 2010-04-28 パイオニア株式会社 ピックアップ装置、および記録媒体駆動装置
EP1587084A1 (de) * 2004-04-15 2005-10-19 Deutsche Thomson-Brandt Gmbh Gerät zum Lesen und/oder Beschreiben optischer Aufzeichnungsträger
JP2006048764A (ja) 2004-07-30 2006-02-16 Toshiba Corp ディスク装置
EP1783759B1 (de) * 2005-11-07 2009-02-11 Thomson Licensing S.A. Antriebsvorrichtung einer Objektivlinse für optische Aufzeichnungsträger und Gerät mit einer solcher Antriebsvorrichtung
EP1783758A1 (de) * 2005-11-07 2007-05-09 Deutsche Thomson-Brandt Gmbh Antriebsvorrichtung einer Objektivlinse für optische Aufzeichnungsträger und Gerät mit einer solcher Antriebsvorrichtung
JP4666236B2 (ja) * 2008-06-09 2011-04-06 ソニー株式会社 光ピックアップ及びディスクドライブ装置
DE102015114734B4 (de) * 2015-09-03 2023-11-16 Baumüller Nürnberg GmbH Aktor für Textil-Legenadeln und andere Verstellobjekte sowie ein Bewegungs- oder Verstellverfahren
CN108332113B (zh) * 2018-04-02 2020-02-18 广州市浩洋电子股份有限公司 一种可开合的灯具雾化组件及其开合方法
CN112967861B (zh) * 2021-03-02 2022-09-16 东莞市粤海磁电科技有限公司 一种用于磁铁充磁的自动多极充磁设备

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57103171A (en) * 1980-12-18 1982-06-26 Fujitsu Ltd Actuator for magnetic recorder
JPS60206114A (ja) * 1984-03-30 1985-10-17 Nippon Radiator Co Ltd マグネツト着磁方法
JPS6366908A (ja) * 1987-07-31 1988-03-25 Sumitomo Special Metals Co Ltd 着磁器
FR2640828A1 (fr) * 1988-07-21 1990-06-22 Seiko Epson Corp Actionneur electromagnetique
JPH0725858Y2 (ja) * 1988-08-15 1995-06-07 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
JPH05258949A (ja) * 1992-03-13 1993-10-08 Hitachi Metals Ltd 磁石部材及びボイスコイルモータ
JP3246140B2 (ja) * 1993-11-16 2002-01-15 ソニー株式会社 対物レンズ駆動装置
JP2733014B2 (ja) * 1994-02-22 1998-03-30 富士通株式会社 ディスク装置の磁気回路構造
US5659215A (en) * 1994-05-19 1997-08-19 Seagate Technology, Inc. Small form factor actuator for improved functionality and linearity
US5949590A (en) * 1995-12-29 1999-09-07 Lg Electronics, Inc. Actuator for optical pickup apparatus
US5905607A (en) * 1997-05-30 1999-05-18 Iomega Corporation Return path geometry to enhance uniformity of force on a linear actuator
JP3347649B2 (ja) * 1997-08-25 2002-11-20 富士通株式会社 フラットコイル型ボイスコイルモータの磁気回路
US5986983A (en) * 1997-11-19 1999-11-16 Eastman Kodak Company Multiple degrees of freedom actuator for optical recording
JPH11185265A (ja) * 1997-12-17 1999-07-09 Sharp Corp 対物レンズ駆動装置
JP3248689B2 (ja) * 1999-08-11 2002-01-21 インターナショナル・ビジネス・マシーンズ・コーポレーション ステータマグネット、アクチュエータ及びディスク装置
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
JP2001167458A (ja) * 1999-09-29 2001-06-22 Matsushita Electric Ind Co Ltd 対物レンズ駆動装置
US6344936B1 (en) * 1999-09-29 2002-02-05 Matsushita Electric Industrial Co., Ltd. Objective lens driving apparatus
JP3872237B2 (ja) * 1999-10-15 2007-01-24 パイオニア株式会社 レンズ駆動装置
EP1098304B1 (de) * 1999-10-15 2006-08-09 Pioneer Corporation Linsenantriebsgerät
JP3998883B2 (ja) * 2000-02-08 2007-10-31 パイオニア株式会社 ディスクプレーヤのレンズ駆動装置
KR100421042B1 (ko) * 2001-06-19 2004-03-04 삼성전자주식회사 광픽업 액튜에이터 구동 방법 및 광픽업 액튜에이터

Also Published As

Publication number Publication date
EP1282120A3 (de) 2003-07-30
EP1282120A2 (de) 2003-02-05
EP1282120B1 (de) 2007-05-23
US20060195854A1 (en) 2006-08-31
CN1400592A (zh) 2003-03-05
DE60220219T2 (de) 2008-01-24
JP2003045720A (ja) 2003-02-14
US7062775B2 (en) 2006-06-13
US7278149B2 (en) 2007-10-02
US20030026191A1 (en) 2003-02-06
JP4522027B2 (ja) 2010-08-11
CN1251198C (zh) 2006-04-12

Similar Documents

Publication Publication Date Title
DE60202564D1 (de) Ausrichtungsvorrichtung und Magnetisierungsvorrichtung
DE60229907D1 (de) Permanentmagnetrotor und Permanentmagnetmaschine
DE60131367D1 (de) Magnetplattenlaufwerk
DE60142491D1 (de) Drosselvorrichtung
DE60132478D1 (de) Antriebsvorrichtung
DE60309120D1 (de) Gesinterter R-Fe-B Magnet
DE50205580D1 (de) Antriebseinrichtung
DE60130746D1 (de) Magnetisches Plattenlaufwerk
DE60206597D1 (de) Magnetventil
DE50203028D1 (de) Antriebsvorrichtung
DE60031336D1 (de) Schwingungsdämpfungseinrichtung und dazu passender, magnetischer Dämpfungsmechanismus
DE60200637D1 (de) Antriebsvorrichtung und Befestigungsvorrichtung
DE60229938D1 (de) ENTWICKLUNGSEINRICHTUNG UND BILDformungsgerät
DE60220219D1 (de) Antriebsmagnet, Antrieb und Magnetisierungsvorrichtung
DE60238229D1 (de) Sendevorrichtung und sendeverfahren
DE60131869D1 (de) Magnetische dichtungsvorrichtung
DE60102408D1 (de) Schrittmotor und Antriebsvorrichtung
DE50200822D1 (de) Magnetventil
DE50211821D1 (de) Magnetventil
DE60205078D1 (de) Magnetische Anzeigevorrichtung
DE60204999D1 (de) Magnetischer Sensor, Magnetkopf und magnetisches Aufzeichnungsgerät
DE50101124D1 (de) Antriebsvorrichtung
DE60205845D1 (de) Magnetlagersteuerungsvorrichtung
DE60226155D1 (de) Plattenlaufwerkeinrichtung
DE50208608D1 (de) Antriebseinrichtung

Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition