KR100567483B1 - 구동장치, 광량조절장치 및 렌즈구동장치 - Google Patents

구동장치, 광량조절장치 및 렌즈구동장치 Download PDF

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Publication number
KR100567483B1
KR100567483B1 KR1020030047131A KR20030047131A KR100567483B1 KR 100567483 B1 KR100567483 B1 KR 100567483B1 KR 1020030047131 A KR1020030047131 A KR 1020030047131A KR 20030047131 A KR20030047131 A KR 20030047131A KR 100567483 B1 KR100567483 B1 KR 100567483B1
Authority
KR
South Korea
Prior art keywords
magnetic pole
rotor
magnet
pole portion
magnet portion
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
KR1020030047131A
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English (en)
Korean (ko)
Other versions
KR20040007325A (ko
Inventor
미야와키마코토
Original Assignee
캐논 가부시끼가이샤
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Filing date
Publication date
Application filed by 캐논 가부시끼가이샤 filed Critical 캐논 가부시끼가이샤
Publication of KR20040007325A publication Critical patent/KR20040007325A/ko
Application granted granted Critical
Publication of KR100567483B1 publication Critical patent/KR100567483B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/08—Shutters
    • G03B9/10—Blade or disc rotating or pivoting about axis normal to its plane
    • G03B9/14—Two separate members moving in opposite directions
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/08—Shutters
    • G03B9/10—Blade or disc rotating or pivoting about axis normal to its plane
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/08—Shutters
    • G03B9/10—Blade or disc rotating or pivoting about axis normal to its plane
    • G03B9/18—More than two members
    • G03B9/22—More than two members each moving in one direction to open and then in opposite direction to close, e.g. iris type
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
    • H02K21/145—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having an annular armature coil
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/24—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Diaphragms For Cameras (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Shutters For Cameras (AREA)
  • Blocking Light For Cameras (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
KR1020030047131A 2002-07-11 2003-07-11 구동장치, 광량조절장치 및 렌즈구동장치 Expired - Fee Related KR100567483B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002202171A JP4164297B2 (ja) 2002-07-11 2002-07-11 駆動装置、光量調節装置及びレンズ駆動装置
JPJP-P-2002-00202171 2002-07-11

Publications (2)

Publication Number Publication Date
KR20040007325A KR20040007325A (ko) 2004-01-24
KR100567483B1 true KR100567483B1 (ko) 2006-04-03

Family

ID=30112606

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020030047131A Expired - Fee Related KR100567483B1 (ko) 2002-07-11 2003-07-11 구동장치, 광량조절장치 및 렌즈구동장치

Country Status (5)

Country Link
US (1) US6781772B2 (https=)
JP (1) JP4164297B2 (https=)
KR (1) KR100567483B1 (https=)
CN (1) CN1294687C (https=)
MY (1) MY129046A (https=)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP4455407B2 (ja) 2005-05-31 2010-04-21 キヤノン株式会社 駆動装置
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
US7513702B2 (en) * 2005-11-16 2009-04-07 Va, Inc. Non-contact shutter activation system and method
US7787198B1 (en) * 2007-08-31 2010-08-31 Tessera MEMS Technologies, Inc. Lens barrel assembly
US7883280B2 (en) * 2008-03-12 2011-02-08 Va, Inc. Shutter activation system
US8128296B2 (en) 2009-01-26 2012-03-06 Va, Inc. Shutter assembly
US8313255B2 (en) * 2009-01-26 2012-11-20 Va, Inc. Shutter assembly with drive ring-mounted magnet
US8333521B2 (en) 2010-04-01 2012-12-18 Va, Inc. Shutter assembly with rotating magnet
KR101477247B1 (ko) * 2013-06-18 2014-12-30 마이크로엑츄에이터(주) 초소형 조리개장치
US10382698B2 (en) * 2015-09-30 2019-08-13 Apple Inc. Mobile zoom using multiple optical image stabilization cameras
CN106628064A (zh) * 2016-11-25 2017-05-10 蒋沁攸 一种变径游泳圈
CN114341695B (zh) * 2019-09-13 2024-04-19 株式会社尼康 透镜镜筒以及摄像装置
WO2021237713A1 (zh) 2020-05-29 2021-12-02 深圳市大疆创新科技有限公司 快门及拍照设备

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2689424A (en) * 1952-03-24 1954-09-21 Thomas E Clagett Dual-indicia container
US4899145A (en) * 1985-07-03 1990-02-06 Shin Meiwa Industry Co., Ltd. Encoder and method of adjusting magnetic fields of the same
US4932542A (en) * 1989-09-13 1990-06-12 Great Truth Co., Ltd. Beverage container having a dynamic ornament mounted thereto
US5105940A (en) * 1990-05-30 1992-04-21 Great Truth Co., Ltd. Receptacle
US5029700A (en) * 1990-05-30 1991-07-09 Great Truth Co., Ltd. Receptacle and amusement device
US5269717A (en) * 1992-11-12 1993-12-14 Genin Trudeau Dishware having a liquid-filled rim and eating implements
JPH07107720A (ja) * 1993-08-09 1995-04-21 Mitsubishi Materials Corp 円板状のロータ部を有するモータ
US5419436A (en) * 1993-12-27 1995-05-30 Kablooe Products, Inc. Cup with article receiving area on bottom surface
US5684761A (en) * 1996-02-02 1997-11-04 Industrial Technology Research Institute Swinging type power generator
US5803306A (en) * 1997-01-15 1998-09-08 High Point Accessories, Inc. Novelty cup
JP4378039B2 (ja) 2000-07-28 2009-12-02 キヤノン株式会社 モータ、光量調整装置およびレンズ鏡筒
JP4636658B2 (ja) 2000-08-02 2011-02-23 キヤノン株式会社 光量調整装置
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

Also Published As

Publication number Publication date
KR20040007325A (ko) 2004-01-24
JP2004045682A (ja) 2004-02-12
CN1476148A (zh) 2004-02-18
US20040008425A1 (en) 2004-01-15
JP4164297B2 (ja) 2008-10-15
MY129046A (en) 2007-03-30
US6781772B2 (en) 2004-08-24
CN1294687C (zh) 2007-01-10

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