DE69120726D1 - Schwingspulenbetätiger - Google Patents

Schwingspulenbetätiger

Info

Publication number
DE69120726D1
DE69120726D1 DE69120726T DE69120726T DE69120726D1 DE 69120726 D1 DE69120726 D1 DE 69120726D1 DE 69120726 T DE69120726 T DE 69120726T DE 69120726 T DE69120726 T DE 69120726T DE 69120726 D1 DE69120726 D1 DE 69120726D1
Authority
DE
Germany
Prior art keywords
yoke
guide shaft
movable
voice coil
axial direction
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
DE69120726T
Other languages
English (en)
Other versions
DE69120726T2 (de
Inventor
Satoshi Sakamoto
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
Application granted granted Critical
Publication of DE69120726D1 publication Critical patent/DE69120726D1/de
Publication of DE69120726T2 publication Critical patent/DE69120726T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00Magnets
    • H01F7/06Electromagnets; Actuators including electromagnets
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00Magnets
    • H01F7/06Electromagnets; Actuators including electromagnets
    • H01F7/066Electromagnets with movable winding
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00Head arrangements not specific to the method of recording or reproducing
    • G11B21/02Driving or moving of heads
    • G11B21/10Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K41/00Propulsion 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
    • H02K41/02Linear motors; Sectional motors
    • H02K41/035DC motors; Unipolar motors
    • H02K41/0352Unipolar motors
    • H02K41/0354Lorentz force motors, e.g. voice coil motors
    • H02K41/0356Lorentz force motors, e.g. voice coil motors moving along a straight path

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Lens Barrels (AREA)
DE69120726T 1990-05-25 1991-05-22 Schwingspulenbetätiger Expired - Fee Related DE69120726T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP13599390 1990-05-25
JP2412983A JPH04117157A (ja) 1990-05-25 1990-12-25 カメラレンズ駆動装置

Publications (2)

Publication Number Publication Date
DE69120726D1 true DE69120726D1 (de) 1996-08-14
DE69120726T2 DE69120726T2 (de) 1996-12-12

Family

ID=26469695

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69120726T Expired - Fee Related DE69120726T2 (de) 1990-05-25 1991-05-22 Schwingspulenbetätiger

Country Status (9)

Country Link
US (1) US5134326A (de)
EP (1) EP0458295B1 (de)
JP (1) JPH04117157A (de)
KR (1) KR100196607B1 (de)
AT (1) ATE140337T1 (de)
AU (1) AU633435B2 (de)
CA (1) CA2043161C (de)
DE (1) DE69120726T2 (de)
HK (1) HK1007626A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5446323A (en) * 1991-09-25 1995-08-29 Systems, Machines, Automation Components Corporation Actuator with translational and rotational control
US5315189A (en) * 1991-09-25 1994-05-24 Systems, Machines, Automation Corporation Actuator with translational and rotational control
US6060798A (en) * 1998-10-30 2000-05-09 Souris; Nicholas Straight motion
JP4388203B2 (ja) * 2000-05-23 2009-12-24 ミネベア株式会社 複合型電磁アクチュエータ装置
DE102004020465B3 (de) * 2004-04-26 2005-09-01 Aumann Gmbh Drahtzugregler für Wickelmaschinen
JP2007025418A (ja) * 2005-07-20 2007-02-01 Sony Corp レンズ移動機構及び撮像装置
US7661593B2 (en) * 2005-11-30 2010-02-16 Bio-Rad Laboratories, Inc. Moving coil actuator with expandable range of motion
TWI484726B (zh) * 2010-12-10 2015-05-11 Hon Hai Prec Ind Co Ltd 致動器、採用該致動器之相機模組及便攜式電子裝置
CN102545525B (zh) * 2010-12-13 2015-10-14 鸿富锦精密工业(深圳)有限公司 致动器、采用该致动器的相机模组及便携式电子装置
AT510941B1 (de) * 2011-09-05 2012-07-15 Seh Ltd Magnetvorrichtung
TWI504109B (zh) * 2013-08-06 2015-10-11 Vasstek Int Corp Can move the moving sound of the voice coil motor
CN107565793B (zh) * 2017-11-01 2019-05-17 北京航空航天大学 一种具有多层复合哈尔巴赫磁极阵列的圆筒型音圈电机
US11454779B1 (en) 2018-12-12 2022-09-27 Meta Platforms Technologies, Llc Head-mounted display device with stepper motors for moving displays
US11042187B1 (en) 2018-12-12 2021-06-22 Facebook Technologies, Llc Head-mounted display device with voice coil motors for moving displays
US10871627B1 (en) 2018-12-12 2020-12-22 Facebook Technologies, Llc Head-mounted display device with direct-current (DC) motors for moving displays
US11812248B2 (en) 2021-04-14 2023-11-07 Apple Inc. Moving-magnet motor

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2058477A5 (de) * 1969-09-08 1971-05-28 Seim
US3746937A (en) * 1971-07-12 1973-07-17 H Koike Electromagnetic linear motion device
US3681630A (en) * 1971-08-16 1972-08-01 Information Magnetics Corp Air cooled linear motor
DE2309750B2 (de) * 1973-02-27 1976-08-05 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zum antrieb von schreiboder druckerwagen in datenschreibern
SU470890A1 (ru) * 1973-05-04 1975-05-15 Ленинградский Горный Институт Им. Г.В.Плеханова Линейный электродвигатель
JPS5588559A (en) * 1978-12-25 1980-07-04 Fujitsu Ltd Magnetic circuit construction for magnetic deriver
JPS56500437A (de) * 1979-02-28 1981-04-02
US4692999A (en) * 1979-12-26 1987-09-15 Unisys Corp. Method of making a multi-coil/multi-magnet actuator
JPH063369Y2 (ja) * 1986-08-02 1994-01-26 ソニー株式会社 カメラのレンズ駆動装置

Also Published As

Publication number Publication date
ATE140337T1 (de) 1996-07-15
DE69120726T2 (de) 1996-12-12
EP0458295A3 (en) 1992-08-26
EP0458295B1 (de) 1996-07-10
EP0458295A2 (de) 1991-11-27
KR910021176A (ko) 1991-12-20
HK1007626A1 (en) 1999-04-16
AU7724391A (en) 1991-11-28
AU633435B2 (en) 1993-01-28
JPH04117157A (ja) 1992-04-17
CA2043161C (en) 2000-08-29
US5134326A (en) 1992-07-28
KR100196607B1 (ko) 1999-06-15
CA2043161A1 (en) 1991-11-26

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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