JP7746108B2 - 振動型アクチュエータの制御装置及びそれを用いた撮像装置 - Google Patents

振動型アクチュエータの制御装置及びそれを用いた撮像装置

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Publication number
JP7746108B2
JP7746108B2 JP2021165610A JP2021165610A JP7746108B2 JP 7746108 B2 JP7746108 B2 JP 7746108B2 JP 2021165610 A JP2021165610 A JP 2021165610A JP 2021165610 A JP2021165610 A JP 2021165610A JP 7746108 B2 JP7746108 B2 JP 7746108B2
Authority
JP
Japan
Prior art keywords
frequency
speed
drive
driving
vibration
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
JP2021165610A
Other languages
English (en)
Japanese (ja)
Other versions
JP2023056320A5 (enExample
JP2023056320A (ja
Inventor
暁生 熱田
紘光 森田
大河 永田
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP2021165610A priority Critical patent/JP7746108B2/ja
Priority to US17/938,305 priority patent/US12214379B2/en
Publication of JP2023056320A publication Critical patent/JP2023056320A/ja
Publication of JP2023056320A5 publication Critical patent/JP2023056320A5/ja
Application granted granted Critical
Publication of JP7746108B2 publication Critical patent/JP7746108B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/0207—Driving circuits
    • B06B1/0223—Driving circuits for generating signals continuous in time
    • B06B1/023—Driving circuits for generating signals continuous in time and stepped in amplitude, e.g. square wave, 2-level signal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/0207—Driving circuits
    • B06B1/0215—Driving circuits for generating pulses, e.g. bursts of oscillations, envelopes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/0207—Driving circuits
    • B06B1/0223—Driving circuits for generating signals continuous in time
    • B06B1/0238—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave
    • 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
    • G03B5/02—Lateral adjustment of lens
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
    • 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
    • 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
    • H04N23/67—Focus control based on electronic image sensor signals
    • H04N23/672—Focus control based on electronic image sensor signals based on the phase difference signals
    • 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
    • G03B2205/0061—Driving means for the movement of one or more optical element using piezoelectric actuators
    • 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
    • H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
    • H04N23/681—Motion detection
    • H04N23/6812—Motion detection based on additional sensors, e.g. acceleration sensors
    • 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
    • H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
    • H04N23/682—Vibration or motion blur correction
    • H04N23/685—Vibration or motion blur correction performed by mechanical compensation
    • H04N23/687—Vibration or motion blur correction performed by mechanical compensation by shifting the lens or sensor position

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
  • Lens Barrels (AREA)
  • Adjustment Of Camera Lenses (AREA)
  • Studio Devices (AREA)
JP2021165610A 2021-10-07 2021-10-07 振動型アクチュエータの制御装置及びそれを用いた撮像装置 Active JP7746108B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2021165610A JP7746108B2 (ja) 2021-10-07 2021-10-07 振動型アクチュエータの制御装置及びそれを用いた撮像装置
US17/938,305 US12214379B2 (en) 2021-10-07 2022-10-05 Vibratory actuator control apparatus and imaging apparatus using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2021165610A JP7746108B2 (ja) 2021-10-07 2021-10-07 振動型アクチュエータの制御装置及びそれを用いた撮像装置

Publications (3)

Publication Number Publication Date
JP2023056320A JP2023056320A (ja) 2023-04-19
JP2023056320A5 JP2023056320A5 (enExample) 2024-08-02
JP7746108B2 true JP7746108B2 (ja) 2025-09-30

Family

ID=85797649

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021165610A Active JP7746108B2 (ja) 2021-10-07 2021-10-07 振動型アクチュエータの制御装置及びそれを用いた撮像装置

Country Status (2)

Country Link
US (1) US12214379B2 (enExample)
JP (1) JP7746108B2 (enExample)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002199758A (ja) 2000-12-28 2002-07-12 Canon Inc 振動型アクチュエータの制御装置
JP2011067035A (ja) 2009-09-18 2011-03-31 Canon Inc 振動型モータ制御装置および光学機器
JP2013198189A (ja) 2012-03-16 2013-09-30 Nikon Corp 振動アクチュエータの駆動装置、レンズ鏡筒
JP2015091201A (ja) 2013-11-07 2015-05-11 キヤノン株式会社 振動アクチュエータの制御装置および制御方法
JP2015136282A (ja) 2013-12-20 2015-07-27 キヤノン株式会社 振動子の駆動装置とその駆動方法、レンズ駆動装置、振動装置、及び撮像装置
DE102015004208A1 (de) 2015-03-31 2016-10-06 Physik Instrumente (Pi) Gmbh & Co. Kg Verfahren zur Steuerung eines Ultraschallmotors und entsprechende Steueranordnung
JP2020065321A (ja) 2018-10-15 2020-04-23 キヤノン株式会社 振動型駆動装置、振動型アクチュエータの駆動制御装置と駆動制御方法及び装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003134856A (ja) 2001-10-29 2003-05-09 Canon Inc 振動波アクチュエータ駆動制御装置
JP2019019819A (ja) 2017-07-17 2019-02-07 浜名湖電装株式会社 弁装置およびキャニスタ
JP7191547B2 (ja) 2018-05-11 2022-12-19 キヤノン株式会社 振動型駆動装置、電子機器及び振動型アクチュエータの制御方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002199758A (ja) 2000-12-28 2002-07-12 Canon Inc 振動型アクチュエータの制御装置
JP2011067035A (ja) 2009-09-18 2011-03-31 Canon Inc 振動型モータ制御装置および光学機器
JP2013198189A (ja) 2012-03-16 2013-09-30 Nikon Corp 振動アクチュエータの駆動装置、レンズ鏡筒
JP2015091201A (ja) 2013-11-07 2015-05-11 キヤノン株式会社 振動アクチュエータの制御装置および制御方法
JP2015136282A (ja) 2013-12-20 2015-07-27 キヤノン株式会社 振動子の駆動装置とその駆動方法、レンズ駆動装置、振動装置、及び撮像装置
DE102015004208A1 (de) 2015-03-31 2016-10-06 Physik Instrumente (Pi) Gmbh & Co. Kg Verfahren zur Steuerung eines Ultraschallmotors und entsprechende Steueranordnung
US20180183354A1 (en) 2015-03-31 2018-06-28 Physik Instrumente (Pi) Gmbh & Co. Kg Method for controlling an ultrasound motor and corresponding control arrangement
JP2020065321A (ja) 2018-10-15 2020-04-23 キヤノン株式会社 振動型駆動装置、振動型アクチュエータの駆動制御装置と駆動制御方法及び装置

Also Published As

Publication number Publication date
JP2023056320A (ja) 2023-04-19
US20230111965A1 (en) 2023-04-13
US12214379B2 (en) 2025-02-04

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