JP2008092742A5 - - Google Patents
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- Publication number
- JP2008092742A5 JP2008092742A5 JP2006273255A JP2006273255A JP2008092742A5 JP 2008092742 A5 JP2008092742 A5 JP 2008092742A5 JP 2006273255 A JP2006273255 A JP 2006273255A JP 2006273255 A JP2006273255 A JP 2006273255A JP 2008092742 A5 JP2008092742 A5 JP 2008092742A5
- Authority
- JP
- Japan
- Prior art keywords
- hole
- support shaft
- optical
- rotation
- magnet
- 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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- 230000003287 optical Effects 0.000 claims 21
- 230000037250 Clearance Effects 0.000 claims 4
- 230000035512 clearance Effects 0.000 claims 4
- 230000000875 corresponding Effects 0.000 claims 2
- 238000003384 imaging method Methods 0.000 claims 2
- 230000000149 penetrating Effects 0.000 claims 2
- 239000000696 magnetic material Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 150000002798 neodymium compounds Chemical class 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- 150000003317 samarium compounds Chemical class 0.000 claims 1
- 238000005245 sintering Methods 0.000 claims 1
Claims (8)
前記コアに巻回されるコイルと、
前記コイルへの通電により前記コアから出力される磁界の向きに対応した方向に回動され且つ軸心部分に軸方向に貫通する軸方向穴を有する円筒形の回動マグネットと、
前記回動マグネットと一体に回動される回動アームと、
前記コアを固定して支持すると共に前記回動マグネットを回動可能に支持するベース部材と、を備え、
前記回動マグネットの回動に基づき光学部材を前記光路に対して出し入れさせるアクチュエータ装置であって、
前記回動アームに、前記回動マグネットの軸方向の一端が嵌合される嵌合穴を設け、
前記ベース部材又は前記回動アームに、前記軸方向穴を貫通する支持軸を設け、
前記支持軸と当該支持軸を支持する前記回動アームの支持穴又は前記ベース部材の支持穴との間の隙間を前記支持軸と前記軸方向穴との間の隙間よりも小さくし、前記回動マグネットの回動時、前記支持軸が前記軸方向穴に接触しない構成とした
光学装置のアクチュエータ装置。 A core disposed outside the optical path of the optical device;
A coil wound around the core;
A cylindrical rotating magnet rotated in a direction corresponding to the direction of the magnetic field output from the core by energizing the coil and having an axial hole penetrating in the axial direction in the axial center portion;
A rotating arm that rotates integrally with the rotating magnet;
A base member that fixes and supports the core and supports the rotating magnet so as to be rotatable.
An actuator device that moves an optical member in and out of the optical path based on rotation of the rotating magnet,
The rotation arm is provided with a fitting hole into which one end of the rotation magnet in the axial direction is fitted,
The base member or the pivot arm is provided with a support shaft that penetrates the axial hole,
The clearance between the support shaft and the support hole of the rotating arm that supports the support shaft or the support hole of the base member is made smaller than the clearance between the support shaft and the axial hole, and the rotation An actuator device for an optical device, wherein the support shaft does not contact the axial hole when the moving magnet rotates.
前記支持穴は、前記回動アームの前記嵌合穴と同心に設けた円筒形の枢軸の軸方向穴からなる
請求項１記載の光学装置のアクチュエータ装置。 The support shaft is provided on the base member,
The actuator device for an optical device according to claim 1, wherein the support hole is an axial hole of a cylindrical pivot provided concentrically with the fitting hole of the rotating arm.
前記支持穴は、前記回動アームの前記嵌合穴と同心に設けた第１の軸受穴と、前記回動マグネットの軸方向の一端に固定された軸受蓋に設けた第２の軸受穴とからなる
請求項１記載の光学装置のアクチュエータ装置。 The support shaft is provided on the base member,
The support hole includes a first bearing hole provided concentrically with the fitting hole of the rotating arm, and a second bearing hole provided in a bearing lid fixed to one end of the rotating magnet in the axial direction. The actuator device for an optical device according to claim 1.
請求項１記載の光学装置のアクチュエータ装置。 The actuator device for an optical device according to claim 1, wherein the support shaft is provided on the rotating arm, and both ends of the support shaft in the axial direction are rotatably supported by the base member.
前記回動マグネットの回動に基づき回動される前記駆動ピンの回動により前記光学部材を前記光路に対して出し入れさせるThe optical member is moved in and out of the optical path by the rotation of the drive pin that is rotated based on the rotation of the rotation magnet.
請求項１記載の光学装置のアクチュエータ装置。The actuator device of the optical device according to claim 1.
請求項１記載の光学装置のアクチュエータ装置。 The actuator device for an optical device according to claim 1, wherein the rotating magnet is formed by sintering with a sintered material having at least a magnetic material.
請求項６記載の光学装置のアクチュエータ装置。 The actuator device for an optical device according to claim 6 , wherein the rotating magnet is formed using a neodymium compound or a samarium compound as a main raw material.
前記レンズ鏡筒の内部に保持されると共に被写体からの像を前記撮像素子に導く撮影光学系と、
前記撮影光学系の光路に対して光学部材を出し入れさせるアクチュエータ装置と、を備えた撮像装置であって、
前記アクチュエータ装置は、
光学装置の光路の外側に配置されるコアと、
前記コアに巻回されるコイルと、
前記コイルへの通電により前記コアから出力される磁界の向きに対応した方向に回動され且つ軸心部分に軸方向に貫通する軸方向穴を有する円筒形の回動マグネットと、
前記回動マグネットと一体に回動される回動アームと、
前記コアを固定して支持すると共に前記回動マグネットを回動可能に支持するベース部材と、を有し、
前記回動アームに、前記回動マグネットの軸方向の一端が嵌合される嵌合穴を設け、
前記ベース部材又は前記回動アームに、前記軸方向穴を貫通する支持軸を設け、
前記支持軸と当該支持軸を支持する前記回動アームの支持穴又は前記ベース部材の支持穴との間の隙間を前記支持軸と前記軸方向穴との間の隙間よりも小さくし、前記回動マグネットの回動時、前記支持軸が前記軸方向穴に接触しない構成として、
前記回動マグネットの回動に基づき光学部材を前記光路に対して出し入れさせる
撮像装置。 An image sensor attached to the lens barrel;
A photographing optical system that is held inside the lens barrel and guides an image from a subject to the image sensor;
An actuator device that allows an optical member to be taken in and out of the optical path of the imaging optical system,
The actuator device includes:
A core disposed outside the optical path of the optical device;
A coil wound around the core;
A cylindrical rotating magnet rotated in a direction corresponding to the direction of the magnetic field output from the core by energizing the coil and having an axial hole penetrating in the axial direction in the axial center portion;
A rotating arm that rotates integrally with the rotating magnet;
A base member that fixes and supports the core and supports the rotating magnet rotatably.
The rotation arm is provided with a fitting hole into which one end of the rotation magnet in the axial direction is fitted,
The base member or the pivot arm is provided with a support shaft that penetrates the axial hole,
The clearance between the support shaft and the support hole of the rotating arm that supports the support shaft or the support hole of the base member is made smaller than the clearance between the support shaft and the axial hole, and the rotation When the moving magnet rotates, the support shaft does not contact the axial hole.
An imaging apparatus that allows an optical member to be taken in and out of the optical path based on rotation of the rotating magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006273255A JP4910611B2 (en) | 2006-10-04 | 2006-10-04 | Actuator device and imaging device for optical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006273255A JP4910611B2 (en) | 2006-10-04 | 2006-10-04 | Actuator device and imaging device for optical device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2008092742A JP2008092742A (en) | 2008-04-17 |
| JP2008092742A5 true JP2008092742A5 (en) | 2009-11-12 |
| JP4910611B2 JP4910611B2 (en) | 2012-04-04 |
Family
ID=39376289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006273255A Expired - Fee Related JP4910611B2 (en) | 2006-10-04 | 2006-10-04 | Actuator device and imaging device for optical device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4910611B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6057561B2 (en) * | 2012-06-26 | 2017-01-11 | キヤノン株式会社 | Shutter device and imaging device including the same |
| JP2014006436A (en) * | 2012-06-26 | 2014-01-16 | Canon Inc | Shutter device and image capturing device having the same |
| JP2018097138A (en) * | 2016-12-13 | 2018-06-21 | 日本電産コパル株式会社 | Blade driving device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3736403B2 (en) * | 2001-09-18 | 2006-01-18 | 株式会社デンソー | Step motor and its magnet rotor |
| JP2003309940A (en) * | 2002-04-11 | 2003-10-31 | Canon Electronics Inc | Electromagnetic drive apparatus, and light quantity adjusting apparatus |
| JP4264252B2 (en) * | 2002-12-10 | 2009-05-13 | 日本電産コパル株式会社 | Electromagnetic actuator and camera shutter device |
| JP2005029179A (en) * | 2003-07-08 | 2005-02-03 | Olympus Corp | Tray for storing |
| JP3963900B2 (en) * | 2004-03-05 | 2007-08-22 | ニスカ株式会社 | Electromagnetic drive device and light amount adjusting device using the same |
| JP4587689B2 (en) * | 2004-03-29 | 2010-11-24 | 日本電産コパル株式会社 | Electromagnetic actuator |
| JP4559765B2 (en) * | 2004-04-01 | 2010-10-13 | ニスカ株式会社 | Magnet rotor forming method |
-
2006
- 2006-10-04 JP JP2006273255A patent/JP4910611B2/en not_active Expired - Fee Related
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