JP4636658B2 - 光量調整装置 - Google Patents

光量調整装置 Download PDF

Info

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
Authority
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
Other languages
English (en)
Japanese (ja)
Other versions
JP2002049076A (ja
JP2002049076A5 (enExample
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

Links

Images

Landscapes

  • 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 (enExample) 2007-08-23
JP4636658B2 true JP4636658B2 (ja) 2011-02-23

Family

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

Country Status (1)

Country Link
JP (1) JP4636658B2 (enExample)

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
US6979918B2 (en) 2002-12-20 2005-12-27 Canon Kabushiki Kaisha 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

Family Cites Families (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
JP2989725B2 (ja) * 1993-03-19 1999-12-13 キヤノン電子株式会社 光量制御装置
JP2937754B2 (ja) * 1994-05-30 1999-08-23 キヤノン電子株式会社 光量制御装置
JP3499087B2 (ja) * 1996-07-31 2004-02-23 セイコープレシジョン株式会社 カメラ用駆動装置
JPH1116179A (ja) * 1997-06-23 1999-01-22 Toshiba Corp 光ヘッド装置
JP3814067B2 (ja) * 1997-12-25 2006-08-23 日本精密測器株式会社 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

Also Published As

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

Similar Documents

Publication Publication Date Title
JP4636658B2 (ja) 光量調整装置
US7560836B2 (en) Driving device and light amount adjusting device
KR100494329B1 (ko) 모터 및 촬영장치
JP4077697B2 (ja) フォーカルプレンシャッタ
JP4401696B2 (ja) 駆動装置、光量調節装置およびレンズ駆動装置
US7649300B2 (en) Electromagnetic actuator and camera blade driving device
JP5064809B2 (ja) 光量調節装置
KR100512250B1 (ko) 구동장치, 광량조절장치, 및 렌즈구동장치
US7679231B2 (en) Driving device and light amount controller
JP2006340444A (ja) 駆動装置
JP2002199693A (ja) 電磁駆動モータ、電磁作動装置、光量調整装置および光学機器
JP3697179B2 (ja) モータ
JP2004064899A (ja) 駆動装置及び光量調節装置
JP2005080493A (ja) 駆動装置、光量調節装置及び撮影装置
JP3886408B2 (ja) マグネット駆動装置、光学装置およびカメラ
JP3573537B2 (ja) カメラの駆動装置用パルスモータ
JP3870195B2 (ja) 駆動装置および光量調節装置
JP2005151637A (ja) ステッピングモータ及び光量調節装置
JP2004029175A (ja) 光量調節装置及びカメラのレンズ装置
JP3822960B2 (ja) カメラ用羽根駆動装置
JP2004157269A (ja) 光量制御装置
JP2005057902A (ja) 駆動装置及び光学装置
JPH07199273A (ja) 電動絞り装置
JP3950673B2 (ja) 駆動装置及び光量制御装置
JP2005328641A (ja) 駆動装置及び光量調節装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070705

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20070705

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20091216

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20091222

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20100218

RD01 Notification of change of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7421

Effective date: 20100302

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20100330

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20100524

RD01 Notification of change of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7421

Effective date: 20100630

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20100706

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20100831

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20101116

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20101122

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20131203

Year of fee payment: 3

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

LAPS Cancellation because of no payment of annual fees