JPWO2019087616A1 - アクチュエータ及びカメラ装置 - Google Patents
アクチュエータ及びカメラ装置 Download PDFInfo
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/56—Accessories
- G03B17/561—Support related camera accessories
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B30/00—Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
- G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
- G08B13/19617—Surveillance camera constructional details
- G08B13/1963—Arrangements allowing camera rotation to change view, e.g. pivoting camera, pan-tilt and zoom [PTZ]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/58—Means for changing the camera field of view without moving the camera body, e.g. nutating or panning of optics or image sensors
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
- G02B27/646—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image compensating for small deviations, e.g. due to vibration or shake
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
- G03B2205/0007—Movement of one or more optical elements for control of motion blur
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Abstract
Description
以下、本実施形態に係るカメラ装置について、図1A〜図13を用いて説明する。図1Aは、図2BのX1−X1断面図である。また、図1Bは、図1AにおけるD1要部拡大図である。
本発明の実施形態は、上記の実施形態に限定されない。上記の実施形態は、本発明の目的を達成できれば、設計等に応じて種々の変更が可能である。
以上、説明したように第1の態様のアクチュエータ(2)は、駆動対象を保持する可動ユニット(10)と、可動ユニット(10)が回転可能となるように可動ユニット(10)を支持する固定ユニット(20)とを備える。固定ユニット(20)に対して可動ユニット(10)を支持する支持構造は、球体(46)と、球体(46)を挟み込む一対の保持部材(固定側保持部材502、可動側保持部材45)とを有する。一対の保持部材のうち少なくとも一方の保持部材に対して、球体(46)の中心位置が移動するように転がるスペースが存在する。
2 アクチュエータ
3 カメラモジュール
10 可動ユニット
20 固定ユニット
45 可動側保持部材
46 球体
451,503 球面
452,504 スペース
502 固定側保持部材
Claims (10)
- 駆動対象を保持する可動ユニットと、
前記可動ユニットが回転可能となるように前記可動ユニットを支持する固定ユニットとを備え、
前記固定ユニットに対して前記可動ユニットを支持する支持構造は、
球体と、
前記球体を挟み込む一対の保持部材とを有し、
前記一対の保持部材のうち少なくとも一方の保持部材に対して、前記球体の中心位置が移動するように転がるスペースが存在する
ことを特徴とするアクチュエータ。 - 前記球体は、前記一対の保持部材の双方に対して非固定である
ことを特徴とする請求項1に記載のアクチュエータ。 - 前記一対の保持部材における前記球体との各接触面のうち、少なくとも一方の接触面は凹部形状の球面である
ことを特徴とする請求項1又は2に記載のアクチュエータ。 - 前記一対の保持部材における前記球体との各接触面の双方は凹部形状の球面である
ことを特徴とする請求項1又は2に記載のアクチュエータ。 - 前記一対の保持部材のうち前記球体との接触面が球面である保持部材の凹部形状の球面の半径は、前記球体の半径よりも大きい
ことを特徴とする請求項3又は4に記載のアクチュエータ。 - 前記保持部材の凹部形状の球面の半径は、
前記球体の半径に、(4×tan−1(前記球面の静止摩擦係数))/(4×tan−1(前記球面の静止摩擦係数)−1)を乗じた値よりも大きい
ことを特徴とする請求項5に記載のアクチュエータ。 - 前記可動ユニットは、電磁駆動により回転し、
前記保持部材の凹部形状の球面の半径は、
前記電磁駆動での回転の制御に用いる磁力による前記球体に対する押力によって前記球体、又は前記一対の保持部材のうち少なくとも一方の保持部材が変形しないように定められている
ことを特徴とする請求項6に記載のアクチュエータ。 - 前記保持部材の凹部形状の球面の半径は、
前記球体の中心の移動量が規定値以下となるように定められている
ことを特徴とする請求項7に記載のアクチュエータ。 - 前記スペースには、グリス溜まりが設けられている
ことを特徴とする請求項1〜8のいずれか一項に記載のアクチュエータ。 - 請求項1〜9のいずれか一項に記載のアクチュエータと、
前記駆動対象としてカメラモジュールとを備える
ことを特徴とするカメラ装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017210563 | 2017-10-31 | ||
JP2017210563 | 2017-10-31 | ||
PCT/JP2018/035156 WO2019087616A1 (ja) | 2017-10-31 | 2018-09-21 | アクチュエータ及びカメラ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2019087616A1 true JPWO2019087616A1 (ja) | 2020-12-17 |
JP7213470B2 JP7213470B2 (ja) | 2023-01-27 |
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Application Number | Title | Priority Date | Filing Date |
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JP2019549955A Active JP7213470B2 (ja) | 2017-10-31 | 2018-09-21 | アクチュエータ及びカメラ装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20210165183A1 (ja) |
JP (1) | JP7213470B2 (ja) |
CN (1) | CN111295820A (ja) |
WO (1) | WO2019087616A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7323428B2 (ja) * | 2019-10-30 | 2023-08-08 | ニデックインスツルメンツ株式会社 | 振れ補正機能付き光学ユニット |
JP7360914B2 (ja) * | 2019-11-29 | 2023-10-13 | ニデックインスツルメンツ株式会社 | 振れ補正機能付き光学ユニット |
JP7352105B2 (ja) * | 2020-09-25 | 2023-09-28 | ミツミ電機株式会社 | 光学アクチュエータ、カメラモジュール、及びカメラ搭載装置 |
KR102460763B1 (ko) * | 2020-12-04 | 2022-10-31 | 삼성전기주식회사 | 카메라 모듈 |
TWI793978B (zh) | 2021-12-02 | 2023-02-21 | 大陽科技股份有限公司 | 攝影模組與電子裝置 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006046501A (ja) * | 2004-08-04 | 2006-02-16 | Yamamoto Seisakusho:Kk | 軸受構造 |
JP2009005550A (ja) * | 2007-06-25 | 2009-01-08 | National Institute Of Advanced Industrial & Technology | 球面加減速駆動機構 |
JP2009247211A (ja) * | 2009-07-28 | 2009-10-22 | Toshiba Corp | 圧電モータ |
JP2013083550A (ja) * | 2011-10-11 | 2013-05-09 | Ntn Corp | 直動アクチュエータ用の磁気式荷重センサおよび直動アクチュエータ |
JP2015215730A (ja) * | 2014-05-09 | 2015-12-03 | パナソニックIpマネジメント株式会社 | 入出力操作装置 |
JP2017173756A (ja) * | 2016-03-25 | 2017-09-28 | Hoya株式会社 | 撮像装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010096227A (ja) * | 2008-10-15 | 2010-04-30 | Ntn Corp | スラスト玉軸受、回転体支持装置及び斜板式ピストンポンプ |
JP2016151332A (ja) * | 2015-02-18 | 2016-08-22 | Ntn株式会社 | ボールねじおよびこれを備えた電動リニアアクチュエータ |
WO2017169979A1 (ja) * | 2016-03-30 | 2017-10-05 | パナソニックIpマネジメント株式会社 | アクチュエータおよびコイルユニット |
-
2018
- 2018-09-21 JP JP2019549955A patent/JP7213470B2/ja active Active
- 2018-09-21 US US16/759,267 patent/US20210165183A1/en not_active Abandoned
- 2018-09-21 WO PCT/JP2018/035156 patent/WO2019087616A1/ja active Application Filing
- 2018-09-21 CN CN201880070834.6A patent/CN111295820A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006046501A (ja) * | 2004-08-04 | 2006-02-16 | Yamamoto Seisakusho:Kk | 軸受構造 |
JP2009005550A (ja) * | 2007-06-25 | 2009-01-08 | National Institute Of Advanced Industrial & Technology | 球面加減速駆動機構 |
JP2009247211A (ja) * | 2009-07-28 | 2009-10-22 | Toshiba Corp | 圧電モータ |
JP2013083550A (ja) * | 2011-10-11 | 2013-05-09 | Ntn Corp | 直動アクチュエータ用の磁気式荷重センサおよび直動アクチュエータ |
JP2015215730A (ja) * | 2014-05-09 | 2015-12-03 | パナソニックIpマネジメント株式会社 | 入出力操作装置 |
JP2017173756A (ja) * | 2016-03-25 | 2017-09-28 | Hoya株式会社 | 撮像装置 |
Also Published As
Publication number | Publication date |
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WO2019087616A1 (ja) | 2019-05-09 |
CN111295820A (zh) | 2020-06-16 |
JP7213470B2 (ja) | 2023-01-27 |
US20210165183A1 (en) | 2021-06-03 |
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