JP4636658B2 - 光量調整装置 - Google Patents
光量調整装置 Download PDFInfo
- 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
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)
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 |
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 (nl) |
Families Citing this family (15)
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)
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 |
-
2000
- 2000-08-02 JP JP2000233847A patent/JP4636658B2/ja not_active Expired - Fee Related
Patent Citations (7)
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 |
Also Published As
Publication number | Publication date |
---|---|
JP2002049076A (ja) | 2002-02-15 |
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