JP2020187231A5 - - Google Patents
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- JP2020187231A5 JP2020187231A5 JP2019090687A JP2019090687A JP2020187231A5 JP 2020187231 A5 JP2020187231 A5 JP 2020187231A5 JP 2019090687 A JP2019090687 A JP 2019090687A JP 2019090687 A JP2019090687 A JP 2019090687A JP 2020187231 A5 JP2020187231 A5 JP 2020187231A5
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- Prior art keywords
- optical axis
- axis direction
- optical
- lens barrel
- actuator
- Prior art date
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- 230000003287 optical effect Effects 0.000 claims description 26
- 239000000758 substrate Substances 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims 1
Description
上記目的を達成するために、本発明の光学機器は、固定部と、前記固定部に対して移動可能な可動部とを有するアクチュエータと、切欠きによって一部が分断された円環状に形成され、光軸方向と直交する方向に延在する基板と、を備え、前記可動部は、前記光軸方向において直線的に移動し、前記可動部の少なくとも一部が、前記光軸方向において前記基板の前記切欠きに進入可能である、ことを特徴とする。 In order to achieve the above object, the optical device of the present invention is formed in an annular shape partially divided by a notch and an actuator having a fixed portion and a movable portion movable with respect to the fixed portion. The movable portion includes a substrate extending in a direction orthogonal to the optical axis direction, the movable portion moves linearly in the optical axis direction, and at least a part of the movable portion is the substrate in the optical axis direction. It is characterized in that it can enter the notch of the above.
Claims (6)
切欠きによって一部が分断された円環状に形成され、光軸方向と直交する方向に延在する基板と、を備え、
前記可動部は、前記光軸方向において直線的に移動し、
前記可動部の少なくとも一部が、前記光軸方向において前記基板の前記切欠きに進入可能である、ことを特徴とする光学機器。 An actuator having a fixed portion and a movable portion movable with respect to the fixed portion,
A substrate, which is formed in an annular shape partially divided by a notch and extends in a direction orthogonal to the optical axis direction, is provided.
The movable portion moves linearly in the optical axis direction and moves linearly.
An optical device characterized in that at least a part of the movable portion can enter the notch of the substrate in the optical axis direction.
前記可動部は、超音波領域の周波数で振動する振動子を含み、
前記固定部は、前記振動子に圧接する摩擦部材を含み、
前記摩擦部材の少なくとも一部が、前記光軸方向において前記基板の前記切欠きに進入可能である、ことを特徴とする請求項１に記載の光学機器。 The actuator is an ultrasonic motor.
The movable part includes a vibrator that vibrates at a frequency in the ultrasonic region.
The fixing portion includes a friction member that is in pressure contact with the vibrator.
The optical device according to claim 1, wherein at least a part of the friction member can enter the notch of the substrate in the optical axis direction.
前記鏡筒の内周部に配置される光学群と、をさらに備え、
前記鏡筒が前記光軸方向に移動するのに伴って、前記アクチュエータの少なくとも一部が前記光軸方向において前記光学群と重なる、ことを特徴とする請求項１または請求項２に記載の光学機器。 A lens barrel that holds the actuator and can move linearly in the optical axis direction.
Further equipped with an optical group arranged on the inner peripheral portion of the lens barrel,
The optical according to claim 1 or 2, wherein at least a part of the actuator overlaps with the optical group in the optical axis direction as the lens barrel moves in the optical axis direction. machine.
前記鏡筒が繰り込まれた繰込み状態において、前記アクチュエータの少なくとも一部が前記光軸方向において前記基板の前記切欠きに進入し、
前記鏡筒が繰り出された繰出し状態において、前記アクチュエータの少なくとも一部が前記光軸方向において前記レンズ群と重なる、ことを特徴とする請求項３に記載の光学機器。 The optical group is a lens group arranged on the object side of the lens barrel.
In the retracted state in which the lens barrel is retracted, at least a part of the actuator enters the notch of the substrate in the optical axis direction.
The optical device according to claim 3, wherein at least a part of the actuator overlaps with the lens group in the optical axis direction in the extended state in which the lens barrel is extended.
光軸周りに回転可能なズーム操作環と、
前記ズーム操作環に連動して前記光軸周りに回転することによって、前記鏡筒を前記光軸方向に進退させるカム筒と、をさらに備えることを特徴とする請求項３または請求項４に記載の光学機器。 A straight-ahead guide tube that guides straight-ahead movement in the optical axis direction by restricting the movement of the lens barrel in the rotational direction,
A zoom control ring that can rotate around the optical axis,
3. The third or fourth aspect of the present invention, further comprising a cam cylinder that moves the lens barrel forward and backward in the optical axis direction by rotating around the optical axis in conjunction with the zoom operation ring. Optical equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019090687A JP2020187231A (en) | 2019-05-13 | 2019-05-13 | Optical device and imaging apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019090687A JP2020187231A (en) | 2019-05-13 | 2019-05-13 | Optical device and imaging apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2020187231A JP2020187231A (en) | 2020-11-19 |
| JP2020187231A5 true JP2020187231A5 (en) | 2022-05-02 |
Family
ID=73221038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019090687A Pending JP2020187231A (en) | 2019-05-13 | 2019-05-13 | Optical device and imaging apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2020187231A (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008139723A1 (en) * | 2007-05-07 | 2008-11-20 | Panasonic Corporation | Conversion lens and camera system using same |
| US8363149B2 (en) * | 2008-09-10 | 2013-01-29 | Panasonic Corporation | Lens barrel and imaging device |
| JPWO2014118865A1 (en) * | 2013-01-30 | 2017-01-26 | パナソニックＩｐマネジメント株式会社 | Lens system, interchangeable lens device, and camera system |
| JP2016224210A (en) * | 2015-05-29 | 2016-12-28 | オリンパス株式会社 | Zoom lens and image capturing device having the same |
| JP2018137859A (en) * | 2017-02-21 | 2018-08-30 | キヤノン株式会社 | Vibration wave motor and optical device including vibration wave motor |
-
2019
- 2019-05-13 JP JP2019090687A patent/JP2020187231A/en active Pending
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