JP4012170B2 - アクチュエータ及び光量調節装置 - Google Patents

アクチュエータ及び光量調節装置 Download PDF

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Publication number
JP4012170B2
JP4012170B2 JP2004144377A JP2004144377A JP4012170B2 JP 4012170 B2 JP4012170 B2 JP 4012170B2 JP 2004144377 A JP2004144377 A JP 2004144377A JP 2004144377 A JP2004144377 A JP 2004144377A JP 4012170 B2 JP4012170 B2 JP 4012170B2
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Japan
Prior art keywords
magnet
stator
rotor
coil
magnetized
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Expired - Fee Related
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JP2004144377A
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English (en)
Japanese (ja)
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JP2005224091A (ja
JP2005224091A5 (enExample
Inventor
宮脇　　誠
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Canon Inc
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Canon Inc
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Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2004144377A priority Critical patent/JP4012170B2/ja
Priority to CN200410081706.1A priority patent/CN1637573B/zh
Priority to CN2008101377654A priority patent/CN101399485B/zh
Priority to US11/025,949 priority patent/US7148592B2/en
Publication of JP2005224091A publication Critical patent/JP2005224091A/ja
Priority to US11/411,112 priority patent/US7242123B2/en
Publication of JP2005224091A5 publication Critical patent/JP2005224091A5/ja
Application granted granted Critical
Publication of JP4012170B2 publication Critical patent/JP4012170B2/ja
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K26/00—Machines adapted to function as torque motors, i.e. to exert a torque when stalled

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Shutters For Cameras (AREA)
  • Diaphragms For Cameras (AREA)
JP2004144377A 2004-01-06 2004-05-14 アクチュエータ及び光量調節装置 Expired - Fee Related JP4012170B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2004144377A JP4012170B2 (ja) 2004-01-06 2004-05-14 アクチュエータ及び光量調節装置
CN200410081706.1A CN1637573B (zh) 2004-01-06 2004-12-30 促动器、光量调节装置及步进电动机
CN2008101377654A CN101399485B (zh) 2004-01-06 2004-12-30 步进电动机
US11/025,949 US7148592B2 (en) 2004-01-06 2005-01-03 Actuator, light quantity adjusting apparatus, and stepping motor
US11/411,112 US7242123B2 (en) 2004-01-06 2006-04-26 Actuator, light quantity adjusting apparatus, and stepping motor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004000796 2004-01-06
JP2004144377A JP4012170B2 (ja) 2004-01-06 2004-05-14 アクチュエータ及び光量調節装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2007125264A Division JP4012242B2 (ja) 2004-01-06 2007-05-10 ステッピングモータ

Publications (3)

Publication Number Publication Date
JP2005224091A JP2005224091A (ja) 2005-08-18
JP2005224091A5 JP2005224091A5 (enExample) 2007-06-28
JP4012170B2 true JP4012170B2 (ja) 2007-11-21

Family

ID=34712995

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004144377A Expired - Fee Related JP4012170B2 (ja) 2004-01-06 2004-05-14 アクチュエータ及び光量調節装置

Country Status (3)

Country Link
US (2) US7148592B2 (enExample)
JP (1) JP4012170B2 (enExample)
CN (2) CN101399485B (enExample)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4012170B2 (ja) * 2004-01-06 2007-11-21 キヤノン株式会社 アクチュエータ及び光量調節装置
US20050189825A1 (en) * 2004-01-29 2005-09-01 Philipp Brodt Bistable rotary solenoid
JP4324025B2 (ja) * 2004-06-14 2009-09-02 キヤノン株式会社 駆動装置
JP4378326B2 (ja) * 2005-07-26 2009-12-02 キヤノン株式会社 駆動装置及び光量調節装置
JP4849516B2 (ja) * 2005-10-21 2012-01-11 キヤノン株式会社 駆動装置及び光量調節装置
TWM292205U (en) * 2006-01-17 2006-06-11 Tricore Corp Step-motor of the driver device of a camera
US7708478B2 (en) * 2006-04-13 2010-05-04 Nokia Corporation Actuator mechanism and a shutter mechanism
DE102006023275B3 (de) * 2006-05-18 2007-04-26 Dr.Ing.H.C. F. Porsche Ag Verfahren und Vorrichtung zum Einstellen einer Soll-Ausgangsspannung eines in einem Kraftfahrzeug angeordneten Generators
US7544003B2 (en) * 2006-07-31 2009-06-09 Tricore Corporation Driving assembly of camera shutter and diaphragm
TWI318488B (en) * 2006-08-25 2009-12-11 Ind Tech Res Inst Electric generator
JP4781251B2 (ja) * 2006-12-19 2011-09-28 セイコープレシジョン株式会社 カメラ用羽根駆動装置
JP2008283810A (ja) * 2007-05-11 2008-11-20 Minebea Motor Manufacturing Corp 振動発生用ステッピングモータ
JP4492681B2 (ja) * 2007-11-16 2010-06-30 株式会社デンソー 同期機
KR101558563B1 (ko) * 2008-07-28 2015-10-08 엘지이노텍 주식회사 스텝 액츄에이터
CN102012604B (zh) * 2009-09-07 2012-04-18 微太科技股份有限公司 具有四极以上的磁石构件及快门
US7955008B1 (en) * 2009-11-13 2011-06-07 Vi-Tai Technology Co., Ltd. Magnet array member with more than four poles and shutter
TWI461826B (zh) * 2010-06-25 2014-11-21 Hon Hai Prec Ind Co Ltd 快門結構
JP5631673B2 (ja) * 2010-09-10 2014-11-26 キヤノン株式会社 光量調整装置
JP5550525B2 (ja) * 2010-10-29 2014-07-16 ビアメカニクス株式会社 ガルバノスキャナ及びレーザ加工機
JP5847438B2 (ja) * 2011-05-27 2016-01-20 キヤノン株式会社 光量調節装置
JP5952534B2 (ja) * 2011-06-29 2016-07-13 ミネベア株式会社 ステッピングモータ
CN103378707B (zh) * 2012-04-23 2017-12-19 德昌电机(深圳)有限公司 电机、线性驱动器、及使用该线性驱动器的车灯调节器
JP6116298B2 (ja) * 2013-03-15 2017-04-19 本田技研工業株式会社 回転電機ユニットの配置構造
JP6710578B2 (ja) * 2016-05-19 2020-06-17 Ntn株式会社 電動式直動アクチュエータ
US11967871B2 (en) 2017-09-15 2024-04-23 University Of Utah Research Foundation Cogging-torque actuator
US11889172B2 (en) * 2020-12-28 2024-01-30 Samsung Electro-Mechanics Co., Ltd. Reflective module assembly and camera module including the same
CN112865383B (zh) * 2021-02-05 2021-12-17 郑重 一种具备内散热的异步电动机
CN116512897B (zh) * 2023-07-04 2023-09-08 山西中北锐迪欧科技有限责任公司 一种可变吸附面磁吸式轮毂电机及可变偏角四轮转向系统

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US3008062A (en) * 1957-12-12 1961-11-07 Tkm Electric Corp Dynamoelectric machine
AT216089B (de) * 1959-09-07 1961-07-10 Elektro Motoren Ag Wechselstrommaschine
US4113359A (en) * 1977-03-16 1978-09-12 Hiroshi Koike Automatic diaphragm assembly
US4207483A (en) * 1978-09-01 1980-06-10 Warner Electric Brake & Clutch Co. Step motor with circumferential stators on opposite sides of disc-like rotor
JPS58216230A (ja) * 1982-06-11 1983-12-15 Fuji Photo Film Co Ltd 電磁駆動シヤツタ
JPS59226647A (ja) * 1983-06-02 1984-12-19 Matsushita Electric Ind Co Ltd 直流モ−タ
US4565938A (en) * 1983-06-13 1986-01-21 Intra-Technology Associates, Inc. Permanent magnet rotor toroidal generator and motor
WO1985000705A1 (fr) * 1983-07-28 1985-02-14 Michel Grosjean Moteur polyphase a rotor aimante presentant n/2 paires de poles par face
CH664652A5 (fr) * 1985-05-10 1988-03-15 Portescap Moteur electrique synchrone a rotor en forme de disque.
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NL8600727A (nl) * 1986-03-21 1987-10-16 Philips Nv Electrische motor.
JPH0526915Y2 (enExample) * 1986-10-29 1993-07-08
US4918346A (en) * 1987-06-26 1990-04-17 Hitachi, Ltd. Low ripple-torque permanent magnet brushless motor
JPH0817563B2 (ja) * 1987-09-30 1996-02-21 松下電器産業株式会社 偏平ブラシレスモータ
KR910002245B1 (ko) * 1988-07-29 1991-04-08 삼성전기 주식회사 브러쉬리스 코어리스 dc 모터
JP2675826B2 (ja) 1988-08-23 1997-11-12 キヤノン株式会社 電動式露光調整装置
JP2519385B2 (ja) 1992-03-30 1996-07-31 インターナショナル・ビジネス・マシーンズ・コーポレイション 電子メイルを入力する方法及び装置
JP3052304B2 (ja) * 1995-11-17 2000-06-12 日本精機株式会社 ステッピングモータ
JP3482757B2 (ja) * 1996-01-12 2004-01-06 株式会社デンソー 直流電動機
US5945766A (en) * 1996-01-18 1999-08-31 Amotron Co., Ltd. Coreless-type BLDC motor and method of producing stator assembly having axial vibration attenuation arrangement
CH690632A5 (fr) * 1996-11-27 2000-11-15 Ebauchesfabrik Eta Ag Moteur électromagnétique à deux rotors coaxiaux.
FR2786042B1 (fr) * 1998-11-13 2000-12-15 Moving Magnet Tech Actionneur electromagnetique rotatif comprenant au moins un aimant encastre dans un materiau ferromagnetique
JP3663325B2 (ja) * 1999-12-01 2005-06-22 株式会社日立製作所 モータの組立て方法
US6559569B2 (en) * 2000-04-18 2003-05-06 Canon Kabushiki Kaisha Motor device
JP4636658B2 (ja) 2000-08-02 2011-02-23 キヤノン株式会社 光量調整装置
MY129400A (en) * 2001-03-12 2007-03-30 Canon Kk Driving device, light amount controller and shutter.
US6591066B2 (en) * 2001-07-06 2003-07-08 Canon Kabushiki Kaisha Motor and photographing apparatus
JP2003079095A (ja) * 2001-08-31 2003-03-14 Tokyo Parts Ind Co Ltd 軸方向振動防止機構と同機構を備えたブラシレスモータ
JP3684184B2 (ja) * 2001-09-28 2005-08-17 キヤノン株式会社 駆動装置及び光量調節手段を有する光学機器
JP3950756B2 (ja) * 2002-07-10 2007-08-01 キヤノン株式会社 駆動装置及び光量調節装置
JP4012170B2 (ja) * 2004-01-06 2007-11-21 キヤノン株式会社 アクチュエータ及び光量調節装置

Also Published As

Publication number Publication date
JP2005224091A (ja) 2005-08-18
US20060186742A1 (en) 2006-08-24
CN1637573B (zh) 2011-06-22
US20050146233A1 (en) 2005-07-07
US7242123B2 (en) 2007-07-10
CN101399485A (zh) 2009-04-01
US7148592B2 (en) 2006-12-12
CN1637573A (zh) 2005-07-13
CN101399485B (zh) 2011-01-05

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