DE68909429D1 - Linearmotor mit beweglicher spule. - Google Patents

Linearmotor mit beweglicher spule.

Info

Publication number
DE68909429D1
DE68909429D1 DE89300735T DE68909429T DE68909429D1 DE 68909429 D1 DE68909429 D1 DE 68909429D1 DE 89300735 T DE89300735 T DE 89300735T DE 68909429 T DE68909429 T DE 68909429T DE 68909429 D1 DE68909429 D1 DE 68909429D1
Authority
DE
Germany
Prior art keywords
linear motor
movable coil
coil
movable
linear
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 - Fee Related
Application number
DE89300735T
Other languages
English (en)
Other versions
DE68909429T2 (de
Inventor
Naoya C O Patents Divis Eguchi
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of DE68909429D1 publication Critical patent/DE68909429D1/de
Application granted granted Critical
Publication of DE68909429T2 publication Critical patent/DE68909429T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02—Linear motors; Sectional motors
    • 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
    • G11B7/0857—Arrangements for mechanically moving the whole head
    • G11B7/08582—Sled-type positioners
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02—Linear motors; Sectional motors
    • H02K41/035—DC motors; Unipolar motors
    • H02K41/0352—Unipolar motors
    • H02K41/0354—Lorentz force motors, e.g. voice coil motors
    • H02K41/0356—Lorentz force motors, e.g. voice coil motors moving along a straight path

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Linear Motors (AREA)
  • Moving Of Heads (AREA)
  • Optical Recording Or Reproduction (AREA)
DE89300735T 1988-01-27 1989-01-26 Linearmotor mit beweglicher Spule. Expired - Fee Related DE68909429T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63016270A JP2778032B2 (ja) 1988-01-27 1988-01-27 光学ピックアップ装置

Publications (2)

Publication Number Publication Date
DE68909429D1 true DE68909429D1 (de) 1993-11-04
DE68909429T2 DE68909429T2 (de) 1994-02-03

Family

ID=11911856

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89300735T Expired - Fee Related DE68909429T2 (de) 1988-01-27 1989-01-26 Linearmotor mit beweglicher Spule.

Country Status (5)

Country Link
US (1) US4864170A (de)
EP (1) EP0326374B1 (de)
JP (1) JP2778032B2 (de)
KR (1) KR970006069B1 (de)
DE (1) DE68909429T2 (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0260451A (ja) * 1988-08-26 1990-02-28 Canon Inc リニアモータ装置
JPH0323523A (ja) * 1989-06-21 1991-01-31 Sony Corp 光学ヘッド装置
JPH03139161A (ja) * 1989-10-25 1991-06-13 Omron Corp 直線移動用軸受装置
JP2626115B2 (ja) * 1990-01-10 1997-07-02 松下電器産業株式会社 光学ヘッド
EP0451773B1 (de) * 1990-04-09 1996-02-07 Nippon Conlux Co., Ltd. Linearmotor
JP2870112B2 (ja) * 1990-04-13 1999-03-10 三菱電機株式会社 フレキシブルディスク装置
JPH04156263A (ja) * 1990-10-16 1992-05-28 Nippon Thompson Co Ltd 小形リニアモータ駆動装置
FR2670940A1 (fr) * 1990-12-21 1992-06-26 Atg Sa Perfectionnement au dispositif d'acces et d'asservissement pour disque optique.
US5617402A (en) * 1990-12-21 1997-04-01 Art Tech Gigadisc "Atg" Access and tracking device for an optical disc
US5195739A (en) * 1991-02-01 1993-03-23 Nippon Conlux Co., Ltd. Apparatus for preventing bills or the like from being pulled out
US5113099A (en) * 1991-07-16 1992-05-12 Maxtor Corporation Rotary actuator for magnetic recording
US5485046A (en) * 1992-02-20 1996-01-16 Dana Corporation Variable reluctance electric motor
JP2584626Y2 (ja) * 1992-08-12 1998-11-05 フオスター電機株式会社 リニアモータ
JP3356918B2 (ja) * 1995-08-01 2002-12-16 オリンパス光学工業株式会社 光ピックアップ
US5943194A (en) * 1996-11-15 1999-08-24 Iomega Corporation Laminated steel return path with actuator support features
US6163090A (en) * 1999-06-16 2000-12-19 International Business Machines Corporation Probe position actuator with an elongated stroke
BG747Y1 (bg) * 2000-11-09 2005-05-31 Линейна електрическа машина
US6528908B1 (en) * 2001-10-09 2003-03-04 Rick Lee Induction drive for induction driven conveyor including a virtual continuous magnetic body and method of driving induction driven conveyor including a virtual continuous magnetic body
US20060028070A1 (en) * 2002-10-25 2006-02-09 Koninklijke Philips Electronics, N.V. High force density linear electric motor
US7597190B2 (en) * 2004-10-15 2009-10-06 Rick Lee Belt including a flexible rare earth magnetic strip and conveyor utilizing a belt including a flexible rare earth magnetic strip
JP4799308B2 (ja) * 2006-07-31 2011-10-26 株式会社ハーモニック・ドライブ・システムズ リニアアクチュエータ
US7965472B2 (en) * 2007-04-11 2011-06-21 Oracle America, Inc. Magnetically preloaded linear guide for a transducer
DE102010004642B4 (de) * 2010-01-13 2012-09-27 Integrated Dynamics Engineering Gmbh Magnetaktor sowie Verfahren zu dessen Montage
DE102011051020B4 (de) 2011-06-10 2019-06-27 IMMS Institut für Mikroelektronik- und Mechatronik-Systeme gGmbH (IMMSgGmbH) Gleichstromlinearantrieb
WO2018229865A1 (ja) * 2017-06-13 2018-12-20 オリンパス株式会社 光学ユニットおよび内視鏡
KR102536997B1 (ko) * 2018-04-12 2023-05-25 엘지이노텍 주식회사 렌즈 구동장치 및 이를 포함하는 카메라 모듈
KR20200044488A (ko) * 2018-10-19 2020-04-29 엘지이노텍 주식회사 카메라 액츄에이터 및 이를 포함하는 카메라 모듈
DE102018008416A1 (de) * 2018-10-25 2020-04-30 Martin Krug Elektroantrieb
DE102021000288A1 (de) 2021-01-21 2022-07-21 Martin Krug Elektrisches Gerät
CN114977719B (zh) * 2022-06-09 2024-08-02 广州汇通精密液压有限公司 一种动圈式高频直线驱动装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5014507U (de) * 1973-06-04 1975-02-15
JPS56129185A (en) * 1980-03-14 1981-10-09 Matsushita Electric Ind Co Ltd Protecting circuit for printer head
JPS5949312B2 (ja) * 1982-05-07 1984-12-01 東陶機器株式会社 ホ−ロ−製品の模様付け方法
JPS58170353A (ja) * 1982-06-17 1983-10-06 Secoh Giken Inc 軸方向空「隙」型半導体電動機
JPS59210575A (ja) * 1983-05-13 1984-11-29 Fujitsu Ltd 磁気デイスク装置のヘツドアクセス機構
JPS60162470A (ja) * 1984-02-03 1985-08-24 Matsushita Electric Works Ltd リニアモ−タ装置
JPS6110961A (ja) * 1984-06-25 1986-01-18 Hitachi Ltd 可動コイル型リニア直流モ−タ
US4631431A (en) * 1984-07-30 1986-12-23 Priam Corporation Linear motor having improved magnetic characteristics
US4654940A (en) * 1984-11-26 1987-04-07 Nippon Thompson Co., Ltd. Rolling bearing made by thin steel plates for providing a rectilinear movement
NL8501991A (nl) * 1985-07-11 1987-02-02 Philips Nv Inrichting voor het transleren van een slede, alsmede electrodynamische inrichting voorzien van de genoemde inrichting.
EP0222362B1 (de) * 1985-11-13 1990-05-09 Sharp Kabushiki Kaisha Linearmotor
JPS62178151A (ja) * 1986-01-31 1987-08-05 Sony Corp リニアモ−タ
JPS62268348A (ja) * 1986-05-15 1987-11-20 Toshiba Corp リニア直流モ−タ
JPS6377366A (ja) * 1986-09-19 1988-04-07 Fujitsu Ltd ボイスコイル型リニアモ−タ

Also Published As

Publication number Publication date
JP2778032B2 (ja) 1998-07-23
KR890012427A (ko) 1989-08-26
EP0326374A2 (de) 1989-08-02
EP0326374A3 (en) 1990-01-10
JPH01194848A (ja) 1989-08-04
EP0326374B1 (de) 1993-09-29
US4864170A (en) 1989-09-05
DE68909429T2 (de) 1994-02-03
KR970006069B1 (ko) 1997-04-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee