JP4636658B2 - 光量調整装置 - Google Patents

光量調整装置 Download PDF

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Publication number
JP4636658B2
JP4636658B2 JP2000233847A JP2000233847A JP4636658B2 JP 4636658 B2 JP4636658 B2 JP 4636658B2 JP 2000233847 A JP2000233847 A JP 2000233847A JP 2000233847 A JP2000233847 A JP 2000233847A JP 4636658 B2 JP4636658 B2 JP 4636658B2
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JP
Japan
Prior art keywords
magnet
magnetic pole
peripheral surface
stator
coil
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
JP2000233847A
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English (en)
Japanese (ja)
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JP2002049076A (ja
JP2002049076A5 (nl
Inventor
力 青島
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 Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP2000233847A priority Critical patent/JP4636658B2/ja
Publication of JP2002049076A publication Critical patent/JP2002049076A/ja
Publication of JP2002049076A5 publication Critical patent/JP2002049076A5/ja
Application granted granted Critical
Publication of JP4636658B2 publication Critical patent/JP4636658B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Diaphragms For Cameras (AREA)
  • Shutters For Cameras (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
JP2000233847A 2000-08-02 2000-08-02 光量調整装置 Expired - Fee Related JP4636658B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000233847A JP4636658B2 (ja) 2000-08-02 2000-08-02 光量調整装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000233847A JP4636658B2 (ja) 2000-08-02 2000-08-02 光量調整装置

Publications (3)

Publication Number Publication Date
JP2002049076A JP2002049076A (ja) 2002-02-15
JP2002049076A5 JP2002049076A5 (nl) 2007-08-23
JP4636658B2 true JP4636658B2 (ja) 2011-02-23

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ID=18726314

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000233847A Expired - Fee Related JP4636658B2 (ja) 2000-08-02 2000-08-02 光量調整装置

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JP (1) JP4636658B2 (nl)

Families Citing this family (15)

* 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
JP4164297B2 (ja) 2002-07-11 2008-10-15 キヤノン株式会社 駆動装置、光量調節装置及びレンズ駆動装置
JP4401696B2 (ja) 2002-07-29 2010-01-20 キヤノン株式会社 駆動装置、光量調節装置およびレンズ駆動装置
TWI238586B (en) 2002-12-20 2005-08-21 Canon Kk Actuator
JP4164378B2 (ja) * 2003-02-03 2008-10-15 キヤノン株式会社 光量調節装置
WO2005033792A1 (en) * 2003-10-07 2005-04-14 Ct Electronics Co., Ltd. A shutter apparatus of camera
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
JP3963900B2 (ja) 2004-03-05 2007-08-22 ニスカ株式会社 電磁駆動装置及びこれを用いた光量調節装置
JP4324025B2 (ja) 2004-06-14 2009-09-02 キヤノン株式会社 駆動装置
JP4533024B2 (ja) 2004-07-06 2010-08-25 キヤノン株式会社 駆動装置及び光量調節装置
JP2006023363A (ja) 2004-07-06 2006-01-26 Nisca Corp 光量調整装置及びこれを備えた撮像装置
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
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
JP2007189824A (ja) 2006-01-12 2007-07-26 Nisca Corp 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
KR101026828B1 (ko) 2009-07-15 2011-04-04 엘지이노텍 주식회사 셔터 모듈

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6280636A (ja) * 1985-10-04 1987-04-14 Canon Inc 絞り機構
JPH06273822A (ja) * 1993-03-19 1994-09-30 Canon Electron Inc 光量制御装置
JPH07319007A (ja) * 1994-05-30 1995-12-08 Canon Electron Inc 光量制御装置
JPH1048697A (ja) * 1996-07-31 1998-02-20 Seiko Precision Kk カメラ用駆動装置
JPH1116179A (ja) * 1997-06-23 1999-01-22 Toshiba Corp 光ヘッド装置
JPH11183962A (ja) * 1997-12-25 1999-07-09 Nippon Seimitsu Sokki Kk 電動絞り装置
JP2000175427A (ja) * 1998-12-08 2000-06-23 Canon Inc 電磁駆動装置および電磁駆動絞り装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6280636A (ja) * 1985-10-04 1987-04-14 Canon Inc 絞り機構
JPH06273822A (ja) * 1993-03-19 1994-09-30 Canon Electron Inc 光量制御装置
JPH07319007A (ja) * 1994-05-30 1995-12-08 Canon Electron Inc 光量制御装置
JPH1048697A (ja) * 1996-07-31 1998-02-20 Seiko Precision Kk カメラ用駆動装置
JPH1116179A (ja) * 1997-06-23 1999-01-22 Toshiba Corp 光ヘッド装置
JPH11183962A (ja) * 1997-12-25 1999-07-09 Nippon Seimitsu Sokki Kk 電動絞り装置
JP2000175427A (ja) * 1998-12-08 2000-06-23 Canon Inc 電磁駆動装置および電磁駆動絞り装置

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Publication number Publication date
JP2002049076A (ja) 2002-02-15

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