JP2002107791A5 - - Google Patents
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- Publication number
- JP2002107791A5 JP2002107791A5 JP2000300427A JP2000300427A JP2002107791A5 JP 2002107791 A5 JP2002107791 A5 JP 2002107791A5 JP 2000300427 A JP2000300427 A JP 2000300427A JP 2000300427 A JP2000300427 A JP 2000300427A JP 2002107791 A5 JP2002107791 A5 JP 2002107791A5
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- JP
- Japan
- 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
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000300427A JP2002107791A (en) | 2000-09-29 | 2000-09-29 | Stepping motor driving device, device provided with the same, light quantity adjusting device, and optical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000300427A JP2002107791A (en) | 2000-09-29 | 2000-09-29 | Stepping motor driving device, device provided with the same, light quantity adjusting device, and optical equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002107791A JP2002107791A (en) | 2002-04-10 |
| JP2002107791A5 true JP2002107791A5 (en) | 2007-11-01 |
Family
ID=18782113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000300427A Pending JP2002107791A (en) | 2000-09-29 | 2000-09-29 | Stepping motor driving device, device provided with the same, light quantity adjusting device, and optical equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002107791A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4181955B2 (en) * | 2003-09-19 | 2008-11-19 | キヤノン株式会社 | Light amount adjusting device and camera |
| JP5064742B2 (en) * | 2006-08-25 | 2012-10-31 | キヤノン株式会社 | Aperture device |
| JP5952534B2 (en) * | 2011-06-29 | 2016-07-13 | ミネベア株式会社 | Stepping motor |
| JP2013125192A (en) * | 2011-12-15 | 2013-06-24 | Mitsubishi Electric Corp | Projection type image display device, assembling method of variable diaphragm device, and origin adjusting method of variable diaphragm |
| CN106253773A (en) * | 2016-07-29 | 2016-12-21 | 无锡研奥电子科技有限公司 | Step motor control system |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0786431B2 (en) * | 1987-11-12 | 1995-09-20 | 株式会社日立製作所 | Switching device for spectrophotometer |
| JPH0667254A (en) * | 1992-08-20 | 1994-03-11 | Canon Inc | Exposure controller |
| JPH0980583A (en) * | 1995-09-11 | 1997-03-28 | Canon Inc | Electromagnetic driving device and camera shutter device using this |
| JPH1096650A (en) * | 1996-09-24 | 1998-04-14 | Nippon Seiki Co Ltd | Stepping motor type meter device |
| JP3515672B2 (en) * | 1996-12-20 | 2004-04-05 | グローリー工業株式会社 | Path switching method using stepping motor |
| JPH11113290A (en) * | 1997-10-03 | 1999-04-23 | Matsushita Electric Ind Co Ltd | Stepping motor drive method and disk device |
| JP2000050607A (en) * | 1998-07-30 | 2000-02-18 | Canon Inc | Rotational position controller |
| JP2000228020A (en) * | 1999-02-05 | 2000-08-15 | Sony Corp | Optical disk driving device, optical disk driving method and optical disk device |
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- 2000-09-29 JP JP2000300427A patent/JP2002107791A/en active Pending