JP2007189824A - マグネットロータ及びこれを用いた電磁駆動装置並びにこの光量調整装置を備えた光学機器 - Google Patents

マグネットロータ及びこれを用いた電磁駆動装置並びにこの光量調整装置を備えた光学機器 Download PDF

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Publication number
JP2007189824A
JP2007189824A JP2006005390A JP2006005390A JP2007189824A JP 2007189824 A JP2007189824 A JP 2007189824A JP 2006005390 A JP2006005390 A JP 2006005390A JP 2006005390 A JP2006005390 A JP 2006005390A JP 2007189824 A JP2007189824 A JP 2007189824A
Authority
JP
Japan
Prior art keywords
permanent magnet
fitting portion
rotor
drive arm
magnet
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.)
Pending
Application number
JP2006005390A
Other languages
English (en)
Japanese (ja)
Other versions
JP2007189824A5 (enExample
Inventor
Hiroaki Naganuma
宏明 長沼
Norio Kusunoki
徳郎 楠
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.)
Canon Finetech Nisca Inc
Original Assignee
Nisca 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 Nisca Corp filed Critical Nisca Corp
Priority to JP2006005390A priority Critical patent/JP2007189824A/ja
Priority to CN2006101122938A priority patent/CN101000446B/zh
Priority to US11/513,311 priority patent/US7459813B2/en
Publication of JP2007189824A publication Critical patent/JP2007189824A/ja
Publication of JP2007189824A5 publication Critical patent/JP2007189824A5/ja
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/27Rotor cores with permanent magnets
    • H02K1/2793Rotors axially facing stators
    • H02K1/2795Rotors axially facing stators the rotor consisting of two or more circumferentially positioned magnets
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/24Rotor cores with salient poles ; Variable reluctance rotors
    • H02K1/243Rotor cores with salient poles ; Variable reluctance rotors of the claw-pole type
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/27Rotor cores with permanent magnets
    • H02K1/2706Inner rotors
    • H02K1/272Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/2726Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of a single magnet or two or more axially juxtaposed single magnets
    • H02K1/2733Annular magnets
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K37/00Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors
    • H02K37/10Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type
    • H02K37/12Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with stationary armatures and rotating magnets
    • H02K37/14Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with stationary armatures and rotating magnets with magnets rotating within the armatures
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14Structural association with mechanical loads, e.g. with hand-held machine tools or fans

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Diaphragms For Cameras (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Shutters For Cameras (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
JP2006005390A 2006-01-12 2006-01-12 マグネットロータ及びこれを用いた電磁駆動装置並びにこの光量調整装置を備えた光学機器 Pending JP2007189824A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2006005390A JP2007189824A (ja) 2006-01-12 2006-01-12 マグネットロータ及びこれを用いた電磁駆動装置並びにこの光量調整装置を備えた光学機器
CN2006101122938A CN101000446B (zh) 2006-01-12 2006-08-30 磁性转子、电磁驱动装置及具有光量调整装置的光学设备
US11/513,311 US7459813B2 (en) 2006-01-12 2006-08-31 Magnet rotor and electromagnetically-driving device using the same, and optical apparatus with light quantity-control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006005390A JP2007189824A (ja) 2006-01-12 2006-01-12 マグネットロータ及びこれを用いた電磁駆動装置並びにこの光量調整装置を備えた光学機器

Publications (2)

Publication Number Publication Date
JP2007189824A true JP2007189824A (ja) 2007-07-26
JP2007189824A5 JP2007189824A5 (enExample) 2009-01-15

Family

ID=38232135

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006005390A Pending JP2007189824A (ja) 2006-01-12 2006-01-12 マグネットロータ及びこれを用いた電磁駆動装置並びにこの光量調整装置を備えた光学機器

Country Status (3)

Country Link
US (1) US7459813B2 (enExample)
JP (1) JP2007189824A (enExample)
CN (1) CN101000446B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI413347B (zh) * 2010-08-04 2013-10-21 Delta Electronics Inc 具斷電自鎖功能之磁控式機器臂關節致動器

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* Cited by examiner, † Cited by third party
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JP2006333606A (ja) * 2005-05-25 2006-12-07 Nisca Corp 電磁駆動装置及びこれを用いた光量調整装置
DE102007059119A1 (de) * 2007-12-07 2009-06-10 Robert Bosch Gmbh Werkzeugmaschine
US20110062812A1 (en) 2008-06-25 2011-03-17 Alex Horng Rotor Structure Including Fixing Seats Securely Coupling A Shaft and A Magnet Together
JP2010091671A (ja) * 2008-10-06 2010-04-22 Seiko Precision Inc 駆動機構、羽根駆動装置及び光学機器
EP2430735B1 (en) * 2009-05-15 2019-09-25 Douglas A. Pelmear Internal combustion engine and method of operating same
KR101261685B1 (ko) * 2010-02-22 2013-05-06 엘지이노텍 주식회사 카메라 셔터장치
TWI446101B (zh) * 2010-03-17 2014-07-21 Hon Hai Prec Ind Co Ltd 機械快門及具有該機械快門的手機
CN105159009B (zh) * 2010-05-20 2018-11-06 Lg伊诺特有限公司 相机模块
CN102371589B (zh) * 2010-08-13 2013-12-18 台达电子工业股份有限公司 具有断电自锁功能的磁控式机器臂关节制动器
JP5631673B2 (ja) * 2010-09-10 2014-11-26 キヤノン株式会社 光量調整装置
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
CN104364709B (zh) * 2012-09-24 2017-09-22 精工精密株式会社 叶片驱动装置与光学仪器
JP6059482B2 (ja) * 2012-09-24 2017-01-11 セイコープレシジョン株式会社 羽根駆動装置及び光学機器
JP5953208B2 (ja) * 2012-11-12 2016-07-20 オリンパス株式会社 光調節装置
CN205753702U (zh) * 2016-05-17 2016-11-30 零度智控(北京)智能科技有限公司 电机以及应用此电机的云台
CN106549538B (zh) * 2017-01-10 2023-03-10 福建永强力加动力设备有限公司 发电机转轴压装工装结构
FR3067880B1 (fr) * 2017-06-15 2020-07-17 Moteurs Leroy-Somer Machine electrique tournante
TWI645655B (zh) * 2017-07-04 2018-12-21 建準電機工業股份有限公司 內轉子馬達之轉子
CN108535934B (zh) * 2018-05-02 2025-03-04 中山市美景光学信息有限公司 一种可变光圈的光学镜头
KR102743025B1 (ko) * 2019-09-16 2024-12-13 엘지디스플레이 주식회사 디스플레이 고정 장치

Citations (3)

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Publication number Priority date Publication date Assignee Title
JPH05311745A (ja) * 1992-05-04 1993-11-22 Takenaka Komuten Co Ltd 充填コンクリート鉄骨柱を用いる建物駆体の構築法
JP2000291888A (ja) * 1999-04-07 2000-10-20 Toyoda Gosei Co Ltd 圧力容器
JP2005121801A (ja) * 2003-10-15 2005-05-12 Canon Inc 駆動装置、光量調節装置及びレンズ駆動装置

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US4227092A (en) * 1977-11-30 1980-10-07 The United States Of America As Represented By The Secretary Of The Army Hand cranked electrical power source
US4194226A (en) * 1978-04-24 1980-03-18 Data General Corporation Rigid magnetic disc memory apparatus including open loop stepper-motor-driven read/write head
US4701835A (en) * 1985-09-19 1987-10-20 The United States Of America As Represented By The Secretary Of The Army Multimode flashlight
US5581422A (en) * 1993-02-09 1996-12-03 Hitachi Metals, Ltd. Actuator with moveable coil and recording apparatus
US5694621A (en) * 1996-09-05 1997-12-02 Eastman Kodak Company Underwater one-time-use camera with magnetic torque coupling for film winding
US6501357B2 (en) * 2000-03-16 2002-12-31 Quizix, Inc. Permanent magnet actuator mechanism
JP4636658B2 (ja) 2000-08-02 2011-02-23 キヤノン株式会社 光量調整装置
JP3754889B2 (ja) * 2000-11-20 2006-03-15 キヤノン株式会社 ズームレンズ
JP2004334038A (ja) 2003-05-09 2004-11-25 Nisca Corp 電磁駆動装置及びこれを用いた光量調整装置
CN2666021Y (zh) * 2003-06-30 2004-12-22 微太科技股份有限公司 数码照相机电磁阀
JP4317411B2 (ja) * 2003-09-17 2009-08-19 日本電産コパル株式会社 カメラ用羽根駆動装置
JP2005195845A (ja) * 2004-01-07 2005-07-21 Alps Electric Co Ltd 撮像装置
JP3987047B2 (ja) * 2004-03-05 2007-10-03 ニスカ株式会社 撮像装置及びこれに用いる光量調節装置
KR100653248B1 (ko) * 2005-06-23 2006-12-01 삼성전기주식회사 광량 조절 장치

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05311745A (ja) * 1992-05-04 1993-11-22 Takenaka Komuten Co Ltd 充填コンクリート鉄骨柱を用いる建物駆体の構築法
JP2000291888A (ja) * 1999-04-07 2000-10-20 Toyoda Gosei Co Ltd 圧力容器
JP2005121801A (ja) * 2003-10-15 2005-05-12 Canon Inc 駆動装置、光量調節装置及びレンズ駆動装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI413347B (zh) * 2010-08-04 2013-10-21 Delta Electronics Inc 具斷電自鎖功能之磁控式機器臂關節致動器

Also Published As

Publication number Publication date
US20070159030A1 (en) 2007-07-12
CN101000446A (zh) 2007-07-18
CN101000446B (zh) 2010-09-08
US7459813B2 (en) 2008-12-02

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