JP4487246B2 - 像振れ補正装置 - Google Patents
像振れ補正装置 Download PDFInfo
- Publication number
- JP4487246B2 JP4487246B2 JP2004141561A JP2004141561A JP4487246B2 JP 4487246 B2 JP4487246 B2 JP 4487246B2 JP 2004141561 A JP2004141561 A JP 2004141561A JP 2004141561 A JP2004141561 A JP 2004141561A JP 4487246 B2 JP4487246 B2 JP 4487246B2
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- angular velocity
- velocity sensor
- image
- vibration
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- 230000003287 optical effect Effects 0.000 claims description 30
- 238000006073 displacement reaction Methods 0.000 claims description 14
- 230000002194 synthesizing effect Effects 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 15
- 230000015572 biosynthetic process Effects 0.000 description 13
- 238000003786 synthesis reaction Methods 0.000 description 13
- 230000006641 stabilisation Effects 0.000 description 4
- 238000011105 stabilization Methods 0.000 description 4
- 230000000087 stabilizing effect Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009118 appropriate response Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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Description
Claims (2)
- 像を結像する光学系と、前記光学系に加わった振動に対応する角速度信号を出力する角速度センサと、前記光学系に配置された防振レンズを変位させることにより前記像を変位させる像変位手段と、前記角速度センサにより出力された角速度信号に基づいて前記光学系に加わった振動に起因する像振れを打ち消すように前記像変位手段により像を変位させる像振れ補正手段と、を備え、前記光学系を備えたレンズ装置に搭載された像振れ補正装置において、
前記角速度センサは、
前記光学系に加わった振動に対応する角速度信号を出力する角速度センサであって、該振動の周波数領域のうち低周波領域の振動を検出するための第1の角速度センサと、
前記光学系に加わった振動に対応する角速度信号を出力する角速度センサであって、該振動の周波数領域のうち高周波領域の振動を検出するための第2の角速度センサと、
前記低周波領域の角速度信号を前記第1の角速度センサにより得られた角速度信号から取得し、前記高周波領域の角速度信号を前記第2の角速度センサにより得られた角速度信号から取得して合成することにより前記光学系に加わった振動の全周波数領域に対する角速度信号を生成する信号合成手段と、
を備えたことを特徴とする像振れ補正装置。 - 前記第1の角速度センサは、ドリフトが少なく高周波領域での周波数特性が悪い角速度センサであり、前記第2の角速度センサは、ドリフトが多く高周波領域での周波数特性が良い角速度センサであることを特徴とする請求項1の像振れ補正装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004141561A JP4487246B2 (ja) | 2004-05-11 | 2004-05-11 | 像振れ補正装置 |
US11/123,083 US7486879B2 (en) | 2004-05-11 | 2005-05-06 | Image blur correcting device |
EP05010030A EP1596583A3 (en) | 2004-05-11 | 2005-05-09 | Image blur correcting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004141561A JP4487246B2 (ja) | 2004-05-11 | 2004-05-11 | 像振れ補正装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005321726A JP2005321726A (ja) | 2005-11-17 |
JP4487246B2 true JP4487246B2 (ja) | 2010-06-23 |
Family
ID=35469046
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2004141561A Expired - Lifetime JP4487246B2 (ja) | 2004-05-11 | 2004-05-11 | 像振れ補正装置 |
Country Status (1)
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JP (1) | JP4487246B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007219397A (ja) * | 2006-02-20 | 2007-08-30 | Pentax Corp | 像ブレ補正装置 |
JP5163556B2 (ja) * | 2009-03-12 | 2013-03-13 | 株式会社Jvcケンウッド | 手ぶれ補正装置 |
JP5599039B2 (ja) | 2010-06-01 | 2014-10-01 | キヤノン株式会社 | 像ブレ補正機能付き光学装置 |
JP6098873B2 (ja) * | 2012-09-04 | 2017-03-22 | パナソニックIpマネジメント株式会社 | 撮像装置および画像処理装置 |
JP6173134B2 (ja) * | 2013-09-02 | 2017-08-02 | キヤノン株式会社 | 像振れ補正装置及びその制御方法 |
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2004
- 2004-05-11 JP JP2004141561A patent/JP4487246B2/ja not_active Expired - Lifetime
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JP2005321726A (ja) | 2005-11-17 |
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