JP7762854B2 - レンズ駆動ユニットおよびこれを備えたレンズ鏡筒 - Google Patents

レンズ駆動ユニットおよびこれを備えたレンズ鏡筒

Info

Publication number
JP7762854B2
JP7762854B2 JP2022034289A JP2022034289A JP7762854B2 JP 7762854 B2 JP7762854 B2 JP 7762854B2 JP 2022034289 A JP2022034289 A JP 2022034289A JP 2022034289 A JP2022034289 A JP 2022034289A JP 7762854 B2 JP7762854 B2 JP 7762854B2
Authority
JP
Japan
Prior art keywords
lens
optical axis
unit
moving frame
axis direction
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.)
Active
Application number
JP2022034289A
Other languages
English (en)
Japanese (ja)
Other versions
JP2023129928A5 (https=
JP2023129928A (ja
Inventor
広康 藤中
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Intellectual Property Management Co Ltd
Original Assignee
Panasonic Intellectual Property Management Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Panasonic Intellectual Property Management Co Ltd filed Critical Panasonic Intellectual Property Management Co Ltd
Priority to JP2022034289A priority Critical patent/JP7762854B2/ja
Priority to PCT/JP2022/043574 priority patent/WO2023171049A1/ja
Priority to EP22931021.4A priority patent/EP4492113A4/en
Priority to US18/835,726 priority patent/US20250138389A1/en
Publication of JP2023129928A publication Critical patent/JP2023129928A/ja
Publication of JP2023129928A5 publication Critical patent/JP2023129928A5/ja
Priority to JP2025107186A priority patent/JP2025123553A/ja
Application granted granted Critical
Publication of JP7762854B2 publication Critical patent/JP7762854B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02—Linear motors; Sectional motors
    • H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors
    • H02K41/031—Synchronous motors; Motors moving step by step; Reluctance motors of the permanent magnet type
    • 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
    • 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
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/08—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism
    • 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
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
    • 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
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
    • G02B7/102—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens controlled by a microcomputer
    • 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
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/32—Means for focusing
    • G03B13/34—Power focusing
    • 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
    • G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
    • G03B3/10—Power-operated focusing
    • 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
    • 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
    • G03B2205/0053—Driving means for the movement of one or more optical element
    • G03B2205/0069—Driving means for the movement of one or more optical element using electromagnetic actuators, e.g. voice coils
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K16/00—Machines with more than one rotor or stator

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Lens Barrels (AREA)
  • Linear Motors (AREA)
JP2022034289A 2022-03-07 2022-03-07 レンズ駆動ユニットおよびこれを備えたレンズ鏡筒 Active JP7762854B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2022034289A JP7762854B2 (ja) 2022-03-07 2022-03-07 レンズ駆動ユニットおよびこれを備えたレンズ鏡筒
PCT/JP2022/043574 WO2023171049A1 (ja) 2022-03-07 2022-11-25 レンズ駆動ユニットおよびこれを備えたレンズ鏡筒
EP22931021.4A EP4492113A4 (en) 2022-03-07 2022-11-25 Lens drive unit and lens barrel equipped with same
US18/835,726 US20250138389A1 (en) 2022-03-07 2022-11-25 Lens drive unit and lens barrel equipped with same
JP2025107186A JP2025123553A (ja) 2022-03-07 2025-06-25 レンズ駆動ユニットおよびこれを備えたレンズ鏡筒

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2022034289A JP7762854B2 (ja) 2022-03-07 2022-03-07 レンズ駆動ユニットおよびこれを備えたレンズ鏡筒

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2025107186A Division JP2025123553A (ja) 2022-03-07 2025-06-25 レンズ駆動ユニットおよびこれを備えたレンズ鏡筒

Publications (3)

Publication Number Publication Date
JP2023129928A JP2023129928A (ja) 2023-09-20
JP2023129928A5 JP2023129928A5 (https=) 2024-06-06
JP7762854B2 true JP7762854B2 (ja) 2025-10-31

Family

ID=87936614

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2022034289A Active JP7762854B2 (ja) 2022-03-07 2022-03-07 レンズ駆動ユニットおよびこれを備えたレンズ鏡筒
JP2025107186A Pending JP2025123553A (ja) 2022-03-07 2025-06-25 レンズ駆動ユニットおよびこれを備えたレンズ鏡筒

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2025107186A Pending JP2025123553A (ja) 2022-03-07 2025-06-25 レンズ駆動ユニットおよびこれを備えたレンズ鏡筒

Country Status (4)

Country Link
US (1) US20250138389A1 (https=)
EP (1) EP4492113A4 (https=)
JP (2) JP7762854B2 (https=)
WO (1) WO2023171049A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025104996A1 (ja) * 2023-11-14 2025-05-22 キヤノン株式会社 レンズ駆動装置
CN118100585A (zh) * 2024-02-06 2024-05-28 中山联合光电研究院有限公司 音圈马达和变焦镜头
WO2026023237A1 (ja) * 2024-07-22 2026-01-29 パナソニックＩｐマネジメント株式会社 レンズ駆動ユニットおよびこれを備えたレンズ鏡筒

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004343853A (ja) 2003-05-14 2004-12-02 Sony Corp リニアアクチュエータ、レンズ駆動装置、及び撮像装置
JP2006243769A (ja) 2006-06-16 2006-09-14 Sony Corp レンズ鏡筒
JP2010112976A (ja) 2008-11-04 2010-05-20 Nikon Corp レンズ駆動装置、レンズ位置検出装置、及びそれらを用いた撮像装置
JP2016114654A (ja) 2014-12-11 2016-06-23 オリンパス株式会社 レンズ駆動用リニアアクチュエーター
JP2019213433A (ja) 2018-06-08 2019-12-12 パナソニックＩｐマネジメント株式会社 リニアモータおよびこれを備えたレンズ鏡筒、撮像装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01185157A (ja) * 1988-01-12 1989-07-24 Canon Inc リニアモータ
JP3387173B2 (ja) * 1993-10-27 2003-03-17 ソニー株式会社 電磁駆動装置
JP3941314B2 (ja) * 2000-01-14 2007-07-04 株式会社安川電機 コアレスリニアモータ
JP5884240B2 (ja) * 2012-04-18 2016-03-15 株式会社タムロン リニアアクチュエータ、及びそれを備えたレンズユニット、カメラ

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004343853A (ja) 2003-05-14 2004-12-02 Sony Corp リニアアクチュエータ、レンズ駆動装置、及び撮像装置
JP2006243769A (ja) 2006-06-16 2006-09-14 Sony Corp レンズ鏡筒
JP2010112976A (ja) 2008-11-04 2010-05-20 Nikon Corp レンズ駆動装置、レンズ位置検出装置、及びそれらを用いた撮像装置
JP2016114654A (ja) 2014-12-11 2016-06-23 オリンパス株式会社 レンズ駆動用リニアアクチュエーター
JP2019213433A (ja) 2018-06-08 2019-12-12 パナソニックＩｐマネジメント株式会社 リニアモータおよびこれを備えたレンズ鏡筒、撮像装置

Also Published As

Publication number Publication date
EP4492113A1 (en) 2025-01-15
EP4492113A4 (en) 2025-06-18
WO2023171049A1 (ja) 2023-09-14
JP2025123553A (ja) 2025-08-22
JP2023129928A (ja) 2023-09-20
US20250138389A1 (en) 2025-05-01

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