ATE140337T1 - Schwingspulenbetätiger - Google Patents

Schwingspulenbetätiger

Info

Publication number
ATE140337T1
ATE140337T1 AT91108265T AT91108265T ATE140337T1 AT E140337 T1 ATE140337 T1 AT E140337T1 AT 91108265 T AT91108265 T AT 91108265T AT 91108265 T AT91108265 T AT 91108265T AT E140337 T1 ATE140337 T1 AT E140337T1
Authority
AT
Austria
Prior art keywords
yoke
guide shaft
movable
voice coil
axial direction
Prior art date
Application number
AT91108265T
Other languages
English (en)
Inventor
Satoshi Sakamoto
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 ATE140337T1 publication Critical patent/ATE140337T1/de

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/066—Electromagnets with movable winding
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/10—Track 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
    • 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

  • 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)
AT91108265T 1990-05-25 1991-05-22 Schwingspulenbetätiger ATE140337T1 (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 (1)

Publication Number Publication Date
ATE140337T1 true ATE140337T1 (de) 1996-07-15

Family

ID=26469695

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91108265T ATE140337T1 (de) 1990-05-25 1991-05-22 Schwingspulenbetätiger

Country Status (8)

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)

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
US11042187B1 (en) 2018-12-12 2021-06-22 Facebook Technologies, Llc Head-mounted display device with voice coil motors for moving displays
US11454779B1 (en) 2018-12-12 2022-09-27 Meta Platforms Technologies, Llc Head-mounted display device with stepper 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 (8)

* 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
WO1980001861A1 (en) * 1979-02-28 1980-09-04 F Moritz Linear actuator
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
HK1007626A1 (en) 1999-04-16
EP0458295A3 (en) 1992-08-26
US5134326A (en) 1992-07-28
DE69120726D1 (de) 1996-08-14
KR100196607B1 (ko) 1999-06-15
EP0458295B1 (de) 1996-07-10
DE69120726T2 (de) 1996-12-12
AU7724391A (en) 1991-11-28
JPH04117157A (ja) 1992-04-17
AU633435B2 (en) 1993-01-28
CA2043161A1 (en) 1991-11-26
EP0458295A2 (de) 1991-11-27
KR910021176A (ko) 1991-12-20
CA2043161C (en) 2000-08-29

Similar Documents

Publication Publication Date Title
ATE140337T1 (de) Schwingspulenbetätiger
DE3853516D1 (de) Magnetischer Näherungsschalter.
IE802461L (en) Linear magnetic motor
ES548563A0 (es) Rele o relevador electromagnetico polarizado de enganche magnetico
EP0829887A3 (de) Magnetischer Betätiger mit langem Hub in einer Richtung
ES8406769A1 (es) Un dispositivo electrodinamico para trasladar un objetivo que es electrodinamicamente movil
EP0380693A4 (en) Plunger type electromagnet
JP2005020901A (ja) リニアアクチュエータ
EP0721067A3 (de) Druckmittelbetätigte Zylinder-Kolben-Anordnung mit einem Magnetfeldsensor
KR910020993A (ko) 보이스코일형 액튜에이터
JPS57103171A (en) Actuator for magnetic recorder
JPS5583453A (en) Moving coil type linear motor
GB2022359A (en) Geophone with shaped magnetic field
KR920022623A (ko) 보이스 코일 모터
DE3780001D1 (de) Potentiometer bzw. veraenderbarer widerstand.
ATE46984T1 (de) Bistabile magnetische anordnung.
KR850001554A (ko) 광 학 픽 업
JPS5782234A (en) Optical head
JPS5716563A (en) Electromagnetic actuator
JPS5910939Y2 (ja) 電磁駆動装置
SU855313A1 (ru) Электромагнитный привод
JPH03112355A (ja) キャリッジ駆動装置
JPS55133661A (en) Linear solenoid
JPS5771533A (en) Optical scanner
ES2106745T3 (es) Servoaccionamiento para ajustar dos posiciones autorretenidas.

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee