CN112136317A - 控制装置、摄像装置、控制方法以及程序 - Google Patents

控制装置、摄像装置、控制方法以及程序 Download PDF

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Publication number
CN112136317A
CN112136317A CN201980033747.8A CN201980033747A CN112136317A CN 112136317 A CN112136317 A CN 112136317A CN 201980033747 A CN201980033747 A CN 201980033747A CN 112136317 A CN112136317 A CN 112136317A
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China
Prior art keywords
speed
lens
control
motor
current
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Pending
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CN201980033747.8A
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English (en)
Inventor
小山高志
本庄谦一
松本健儿
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Victor Doha Su Co ltd
Victor Hasselblad AB
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Victor Doha Su Co ltd
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Publication date
Application filed by Victor Doha Su Co ltd filed Critical Victor Doha Su Co ltd
Publication of CN112136317A publication Critical patent/CN112136317A/zh
Pending legal-status Critical Current

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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
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/09—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
    • 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
    • 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
    • G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals
    • G02B7/365—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals by analysis of the spatial frequency components of the image
    • 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
    • G03B2205/0046—Movement of one or more optical elements for zooming
    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Devices (AREA)
  • Lens Barrels (AREA)
  • Automatic Focus Adjustment (AREA)
  • Stereoscopic And Panoramic Photography (AREA)
  • Accessories Of Cameras (AREA)

Abstract

如果使用摄像装置的环境或姿势等发生变化，聚焦镜头的驱动机构中所产生的摩擦力等会发生变化，可能造成聚焦镜头的停止位置不稳定。本发明的控制装置可以是对包括镜头及驱动镜头的电动机的摄像装置进行控制的控制装置。控制装置可以包括控制部，该控制部执行速度控制以使镜头的速度达到第一目标速度。控制装置可以包括获取部，该获取部在第一目标速度的速度控制的执行期间获取提供给电动机的电流的第一电流值。控制部可以根据第一电流值控制停止向电动机供给电流的时刻，以便在执行第一目标速度的速度控制时使镜头停止在第一位置。

Description

PCT国内申请，说明书已公开。

Claims (11)

  1. PCT国内申请，权利要求书已公开。
CN201980033747.8A 2018-10-29 2019-10-29 控制装置、摄像装置、控制方法以及程序 Pending CN112136317A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2018202708A JP6780203B2 (ja) 2018-10-29 2018-10-29 制御装置、撮像装置、制御方法、及びプログラム
JP2018-202708 2018-10-29
PCT/CN2019/114020 WO2020088456A1 (zh) 2018-10-29 2019-10-29 控制装置、摄像装置、控制方法以及程序

Publications (1)

Publication Number Publication Date
CN112136317A true CN112136317A (zh) 2020-12-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201980033747.8A Pending CN112136317A (zh) 2018-10-29 2019-10-29 控制装置、摄像装置、控制方法以及程序

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Country Link
US (1) US20210231908A1 (zh)
JP (1) JP6780203B2 (zh)
CN (1) CN112136317A (zh)
WO (1) WO2020088456A1 (zh)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05333257A (ja) * 1992-05-29 1993-12-17 Canon Inc レンズ駆動装置
CN1763577A (zh) * 2004-10-22 2006-04-26 华宇电脑股份有限公司 镜头驱动机构
CN1836184A (zh) * 2003-08-21 2006-09-20 柯尼卡美能达精密光学株式会社 图像拾取装置
US20080165431A1 (en) * 2005-06-17 2008-07-10 Casio Computer Co., Ltd. Motor drive controller for controlling movement and stop by motor and camera apparatus
CN102147556A (zh) * 2011-03-09 2011-08-10 华为终端有限公司 用于移动设备的对焦方法、装置和移动设备
KR20120017304A (ko) * 2010-08-18 2012-02-28 엘지이노텍 주식회사 카메라 모듈 및 그 구동 방법
CN103185948A (zh) * 2011-12-31 2013-07-03 索尼爱立信移动通讯有限公司 照相机模块、包含该模块的电子设备及自动对焦方法
CN103935789A (zh) * 2013-01-21 2014-07-23 柯尼卡美能达株式会社 图像处理装置以及电动机的旋转控制方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2524145B2 (ja) * 1987-03-26 1996-08-14 旭光学工業株式会社 合焦用レンズの駆動装置
JP3220930B2 (ja) * 1996-02-28 2001-10-22 京セラ株式会社 超音波モ−タの速度制御装置
CN101915976B (zh) * 2010-07-16 2012-05-09 翔德电子科技(深圳)有限公司 镜头控制方法
JP6045453B2 (ja) * 2013-07-19 2016-12-14 キヤノン株式会社 モータ制御装置、モータ被駆動装置、モータ制御方法およびモータ制御プログラム
US20160269644A1 (en) * 2015-03-13 2016-09-15 Samsung Electro-Mechanics Co., Ltd. Driver for actuator and camera module and method thereof
KR101578037B1 (ko) * 2015-05-14 2015-12-17 주식회사 지니틱스 빠른 af를 위한 렌즈 구동 제어 방법 및 이를 위한 장치
CN106896466B (zh) * 2017-04-20 2019-07-09 成都市极米科技有限公司 自动调焦方法、装置及投影仪

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05333257A (ja) * 1992-05-29 1993-12-17 Canon Inc レンズ駆動装置
CN1836184A (zh) * 2003-08-21 2006-09-20 柯尼卡美能达精密光学株式会社 图像拾取装置
CN1763577A (zh) * 2004-10-22 2006-04-26 华宇电脑股份有限公司 镜头驱动机构
US20080165431A1 (en) * 2005-06-17 2008-07-10 Casio Computer Co., Ltd. Motor drive controller for controlling movement and stop by motor and camera apparatus
KR20120017304A (ko) * 2010-08-18 2012-02-28 엘지이노텍 주식회사 카메라 모듈 및 그 구동 방법
CN102147556A (zh) * 2011-03-09 2011-08-10 华为终端有限公司 用于移动设备的对焦方法、装置和移动设备
CN103185948A (zh) * 2011-12-31 2013-07-03 索尼爱立信移动通讯有限公司 照相机模块、包含该模块的电子设备及自动对焦方法
CN103935789A (zh) * 2013-01-21 2014-07-23 柯尼卡美能达株式会社 图像处理装置以及电动机的旋转控制方法

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JP2020071244A (ja) 2020-05-07
US20210231908A1 (en) 2021-07-29
JP6780203B2 (ja) 2020-11-04
WO2020088456A1 (zh) 2020-05-07

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Application publication date: 20201225