JP2008172995A5 - - Google Patents
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- JP2008172995A5 JP2008172995A5 JP2007291313A JP2007291313A JP2008172995A5 JP 2008172995 A5 JP2008172995 A5 JP 2008172995A5 JP 2007291313 A JP2007291313 A JP 2007291313A JP 2007291313 A JP2007291313 A JP 2007291313A JP 2008172995 A5 JP2008172995 A5 JP 2008172995A5
- Authority
- JP
- Japan
- Prior art keywords
- moving body
- vibrator
- body portion
- moving
- guide
- 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.)
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Claims (8)
前記振動子を保持する保持部を有する固定部材と、
前記振動子の楕円振動により駆動されて前記固定部材に対して移動する移動体と、
を備え、
前記移動体は、
所望の大きさに形成された第１の移動体部と、
前記駆動部が押圧されて接触する摺動部と、該摺動部と相反する側に設けられて前記固定部材が有するガイド部に係合して移動方向がガイドされる被ガイド部とを有し、前記第１の移動体部より剛性が高く、かつ、前記第１の移動体部より小さく形成されて該第１の移動体部に固定された第２の移動体部とからなることを特徴とする駆動装置。 A vibrator having a drive unit that generates elliptical vibration when a predetermined frequency voltage is applied;
A fixing member having a holding portion for holding the vibrator;
A moving body that is driven by elliptical vibration of the vibrator and moves relative to the fixed member;
With
The moving body is
A first moving body portion formed in a desired size;
A sliding portion that is in contact with the driving portion when pressed, and a guided portion that is provided on a side opposite to the sliding portion and engages with a guide portion included in the fixing member to guide a moving direction. And a second moving body portion that is higher in rigidity than the first moving body portion and is smaller than the first moving body portion and is fixed to the first moving body portion. The drive device characterized.
前記ガイド部から移動方向とは異なる方向の離れた位置で前記第１の移動体部と前記固定部材との間に付勢力による挟持状態で配設された位置決め用の１つの転動体を備えることを特徴とする請求項１〜４のいずれか一つに記載の駆動装置。 The guide part and the guided part have rolling elements arranged in a line along the movement direction,
A single rolling element for positioning disposed between the first moving body part and the fixed member in a sandwiched state by an urging force at a position away from the guide part in a direction different from the moving direction; The drive device according to claim 1, wherein
前記第１の振動子を保持する第１の保持部を有する固定部材と、
前記第１の振動子の前記駆動部が押圧され、かつ、前記固定部材が有するガイド部により第１の方向に移動方向が規制され、前記第１の振動子の楕円振動により駆動されて前記固定部材に対して第１の方向に移動する第１の移動体と、
第２の保持部を有する前記第１の移動体に保持されて、所定の周波電圧が印加されることにより楕円振動を生ずる駆動部を有する第２の振動子と、
前記第２の振動子の前記駆動部が押圧され、かつ、前記第１の移動体が有するガイド部により第１の方向と異なる第２の方向に移動方向が規制され、前記第２の振動子の楕円振動により駆動されて前記第１の移動体に対して第２の方向に移動する第２の移動体と、
を備え、
前記第１，第２の移動体のうち、少なくとも一方の移動体は、
所望の大きさに形成された第１の移動体部と、
前記駆動部が接触する摺動部と、該摺動部と相反する側に設けられて前記ガイド部に係合して移動方向がガイドされる被ガイド部とを有し、前記第１の移動体部より剛性が高く、かつ、前記第１の移動体部より小さく形成されて該第１の移動体部に固定された第２の移動体部とからなることを特徴とする駆動装置。 A first vibrator having a drive unit that generates elliptical vibration when a predetermined frequency voltage is applied;
A fixing member having a first holding portion for holding the first vibrator;
The driving portion of the first vibrator is pressed, the moving direction is regulated in a first direction by a guide portion included in the fixing member, and the fixing is driven by elliptic vibration of the first vibrator. A first moving body that moves in a first direction relative to the member;
A second vibrator having a drive unit that is held by the first moving body having a second holding unit and generates elliptical vibration when a predetermined frequency voltage is applied;
The driving portion of the second vibrator is pressed, and the moving direction is regulated in a second direction different from the first direction by the guide portion of the first moving body, and the second vibrator A second moving body that is driven by the elliptic vibration of the first moving body and moves in a second direction with respect to the first moving body;
With
Of the first and second moving bodies, at least one moving body is:
A first moving body portion formed in a desired size;
A sliding portion that is in contact with the driving portion; and a guided portion that is provided on a side opposite to the sliding portion and that engages with the guide portion to guide a movement direction. A drive device comprising: a second moving body portion having a rigidity higher than that of the body portion and being smaller than the first moving body portion and fixed to the first moving body portion.
前記マイクロコンピュータの指示に基づき所定の周波電圧が印加されることにより楕円振動を生ずる駆動部を有する第１の振動子と、
前記第１の振動子を保持する第１の保持部を有して、撮像装置本体に固着された固定部材と、
前記第１の振動子の前記駆動部が押圧され、かつ、前記固定部材が有するガイド部により第１の方向に移動方向が規制され、前記第１の振動子の楕円振動により駆動されて前記固定部材に対して第１の方向に移動する第１の移動体と、
第２の保持部を有する前記第１の移動体に保持されて、前記マイクロコンピュータの指示に基づき所定の周波電圧が印加されることにより楕円振動を生ずる駆動部を有する第２の振動子と、
前記第２の振動子の前記駆動部が押圧され、かつ、前記第１の移動体が有するガイド部により第２の方向に移動方向が規制され、前記第２の振動子の楕円振動により駆動されて前記第１の移動体に対して第２の方向に移動する、前記撮像素子を撮影光軸上に保持した第２の移動体と、
を備え、
前記第１，第２の移動体のうち、少なくとも一方の移動体は、
所望の大きさに形成された第１の移動体部と、
前記駆動部が接触する摺動部と、該摺動部と相反する側に設けられて前記ガイド部に係合して移動方向がガイドされる被ガイド部とを有し、前記第１の移動体部より剛性が高く、かつ、前記第１の移動体部より小さく形成されて該第１の移動体部に固定された第２の移動体部とからなることを特徴とする撮像装置。 In an imaging apparatus that includes a microcomputer that controls the operation of the entire imaging apparatus, and that is displaced so as to compensate for blurring of the imaging element in a first direction and a second direction orthogonal to each other in a plane orthogonal to the imaging optical axis ,
A first vibrator having a drive unit that generates elliptical vibration when a predetermined frequency voltage is applied based on an instruction from the microcomputer;
A fixing member having a first holding part for holding the first vibrator and fixed to the imaging apparatus main body;
The driving portion of the first vibrator is pressed, the moving direction is regulated in a first direction by a guide portion included in the fixing member, and the fixing is driven by elliptic vibration of the first vibrator. A first moving body that moves in a first direction relative to the member;
A second vibrator having a drive unit that is held by the first moving body having a second holding unit and generates elliptical vibration when a predetermined frequency voltage is applied based on an instruction of the microcomputer;
The driving portion of the second vibrator is pressed, the moving direction is regulated in the second direction by the guide portion of the first moving body, and the second vibrator is driven by the elliptical vibration of the second vibrator. A second moving body that moves in the second direction with respect to the first moving body and that holds the image sensor on the photographing optical axis;
With
Of the first and second moving bodies, at least one moving body is:
A first moving body portion formed in a desired size;
A sliding portion that is in contact with the driving portion; and a guided portion that is provided on a side opposite to the sliding portion and that engages with the guide portion to guide a movement direction. An imaging apparatus comprising: a second moving body portion having a rigidity higher than that of the body portion and being smaller than the first moving body portion and fixed to the first moving body portion.
前記マイクロコンピュータの指示に基づき所定の周波電圧が印加されることにより楕円振動を生ずる駆動部を有する第１の振動子と、
撮影光軸周りの開口を囲む枠形状に形成されるとともに前記第１の振動子を保持する第１の保持部を有して、撮像装置本体に固着された固定部材と、
撮影光軸周りの開口を囲む枠形状で所望の大きさに形成された第１の移動体部と、
前記第１の振動子の前記駆動部が押圧されて接触する摺動部と、該摺動部と相反する側に設けられて前記固定部材が有するガイド部に係合して第１の方向に移動方向がガイドされる被ガイド部とを有し、前記第１の移動体部より剛性が高く、かつ、前記第１の移動体部より小さく形成されて該第１の移動体部に固定され、前記第１の振動子の楕円振動により駆動されて前記固定部材に対して第１の方向に移動する第２の移動体部と、
第２の保持部を有する前記第１の移動体部に保持されて、前記マイクロコンピュータの指示に基づき所定の周波電圧が印加されることにより楕円振動を生ずる駆動部を有する第２の振動子と、
撮影光軸上に前記撮像素子を保持して前記第１の移動体部の前記開口に配設される所望の大きさに形成された第３の移動体部と、
前記第２の振動子の前記駆動部が押圧されて接触する摺動部と、該摺動部と相反する側に設けられて前記第１の移動体部が有するガイド部に係合して第２の方向に移動方向がガイドされる被ガイド部とを有し、前記第３の移動体部より剛性が高く、かつ、前記第３の移動体部より小さく形成されて該第３の移動体部に固定され、前記第２の振動子の楕円振動により駆動されて前記第１の移動体部に対して第２の方向に移動する第４の移動体部と、
を備えることを特徴とする撮像装置。 In an imaging apparatus that includes a microcomputer that controls the operation of the entire imaging apparatus, and that is displaced so as to compensate for blurring of the imaging element in a first direction and a second direction orthogonal to each other in a plane orthogonal to the imaging optical axis ,
A first vibrator having a drive unit that generates elliptical vibration when a predetermined frequency voltage is applied based on an instruction from the microcomputer;
A fixing member that is formed in a frame shape surrounding an opening around the photographing optical axis and has a first holding part that holds the first vibrator, and is fixed to the imaging apparatus body;
A first moving body portion having a frame shape surrounding an opening around the photographing optical axis and having a desired size;
The sliding portion of the first vibrator that is pressed and brought into contact with the sliding portion and the guide portion provided on the side opposite to the sliding portion and engaged with the fixing member in the first direction A guided portion whose movement direction is guided, which is higher in rigidity than the first moving body portion and smaller than the first moving body portion, and is fixed to the first moving body portion. A second moving body that is driven by elliptical vibration of the first vibrator and moves in a first direction with respect to the fixed member;
A second vibrator having a drive section that is held by the first moving body section having a second holding section and generates elliptical vibration when a predetermined frequency voltage is applied based on an instruction from the microcomputer; ,
A third moving body portion that is formed in a desired size and that is disposed in the opening of the first moving body portion while holding the imaging element on a photographing optical axis;
The sliding portion of the second vibrator that is pressed and brought into contact with the sliding portion is engaged with a guide portion that is provided on the side opposite to the sliding portion and that the first moving body portion has. And a guided portion whose movement direction is guided in the direction of 2, the third moving body portion being higher in rigidity than the third moving body portion and smaller than the third moving body portion. A fourth moving body portion fixed to the portion and driven by the elliptical vibration of the second vibrator to move in the second direction with respect to the first moving body portion;
An imaging apparatus comprising:
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007291313A JP5230994B2 (en) | 2006-12-15 | 2007-11-08 | Driving device and imaging device |
| US11/999,643 US7893598B2 (en) | 2006-12-15 | 2007-12-05 | Driving apparatus and image pickup apparatus |
| CN2007101957689A CN101207343B (en) | 2006-12-15 | 2007-12-14 | Driving apparatus and image pickup apparatus |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006338715 | 2006-12-15 | ||
| JP2006338715 | 2006-12-15 | ||
| JP2007291313A JP5230994B2 (en) | 2006-12-15 | 2007-11-08 | Driving device and imaging device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2008172995A JP2008172995A (en) | 2008-07-24 |
| JP2008172995A5 true JP2008172995A5 (en) | 2010-12-24 |
| JP5230994B2 JP5230994B2 (en) | 2013-07-10 |
Family
ID=39567291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007291313A Active JP5230994B2 (en) | 2006-12-15 | 2007-11-08 | Driving device and imaging device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5230994B2 (en) |
| CN (1) | CN101207343B (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7941045B2 (en) * | 2008-10-30 | 2011-05-10 | Panasonic Corporation | Camera body, interchangeable lens unit, and imaging apparatus |
| JP5053985B2 (en) | 2008-12-24 | 2012-10-24 | オリンパスイメージング株式会社 | DRIVE DEVICE AND IMAGING DEVICE USING THE DRIVE DEVICE |
| JP5810303B2 (en) | 2010-04-06 | 2015-11-11 | パナソニックＩｐマネジメント株式会社 | Drive device |
| JP5909624B2 (en) | 2010-08-04 | 2016-04-27 | パナソニックＩｐマネジメント株式会社 | Drive device |
| JP6214193B2 (en) * | 2012-06-05 | 2017-10-18 | キヤノン株式会社 | Vibration wave drive device, two-dimensional drive device, image shake correction device, interchangeable lens, imaging device, and automatic stage |
| JP6053535B2 (en) | 2013-01-25 | 2016-12-27 | キヤノン株式会社 | Correction optical device, image shake correction device, and imaging device |
| JP6188366B2 (en) | 2013-03-21 | 2017-08-30 | キヤノン株式会社 | Actuator and optical equipment |
| KR102631961B1 (en) * | 2015-11-02 | 2024-01-31 | 엘지이노텍 주식회사 | A lens moving unit and a camera module including the same |
| TWI650587B (en) * | 2016-08-04 | 2019-02-11 | 台灣東電化股份有限公司 | Lens drive |
| CN108072957B (en) * | 2016-11-14 | 2022-05-24 | 台湾东电化股份有限公司 | Optical drive mechanism |
| JP6910936B2 (en) * | 2017-11-27 | 2021-07-28 | キヤノン株式会社 | Vibration type motors, lens devices, and electronic devices |
| JP7007943B2 (en) | 2018-02-08 | 2022-01-25 | キヤノン株式会社 | Lens drive device with vibration wave motor and vibration wave motor |
| JP6995660B2 (en) | 2018-02-15 | 2022-01-14 | キヤノン株式会社 | Drive device with vibration wave motor |
| JP7034770B2 (en) * | 2018-03-02 | 2022-03-14 | キヤノン株式会社 | Vibration wave motor and lens device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1011090B (en) * | 1985-04-01 | 1991-01-02 | 株式会社岛津制作所 | X-ray profiles photographic device with multi-track |
| JP2001141977A (en) * | 1999-11-15 | 2001-05-25 | Sony Corp | Lens driving device and electronic apparatus having it |
| JP3842093B2 (en) * | 2001-10-01 | 2006-11-08 | コニカミノルタフォトイメージング株式会社 | Imaging device |
| JP2006330077A (en) * | 2005-05-23 | 2006-12-07 | Canon Inc | Optical equipment |
-
2007
- 2007-11-08 JP JP2007291313A patent/JP5230994B2/en active Active
- 2007-12-14 CN CN2007101957689A patent/CN101207343B/en not_active Expired - Fee Related
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