JP7159478B2 - レンズ制御装置およびレンズ制御方法 - Google Patents

レンズ制御装置およびレンズ制御方法 Download PDF

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Publication number
JP7159478B2
JP7159478B2 JP2021536449A JP2021536449A JP7159478B2 JP 7159478 B2 JP7159478 B2 JP 7159478B2 JP 2021536449 A JP2021536449 A JP 2021536449A JP 2021536449 A JP2021536449 A JP 2021536449A JP 7159478 B2 JP7159478 B2 JP 7159478B2
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Japan
Prior art keywords
time
lens
driving
stepping motor
period
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JP2021536449A
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English (en)
Japanese (ja)
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JPWO2021019600A5 (https=
JPWO2021019600A1 (https=
Inventor
泰則 工藤
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Olympus Corp
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Olympus Corp
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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
    • G03B5/04—Vertical adjustment of lens; Rising fronts
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P8/00—Arrangements for controlling dynamo-electric motors rotating step by step
    • H02P8/40—Special adaptations for controlling two or more stepping motors
    • 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
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P8/00—Arrangements for controlling dynamo-electric motors rotating step by step
    • H02P8/14—Arrangements for controlling speed or speed and torque
    • 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
    • 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
    • G03B2205/0084—Driving means for the movement of one or more optical element using other types of actuators

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Studio Devices (AREA)
  • Automatic Focus Adjustment (AREA)
JP2021536449A 2019-07-26 2019-07-26 レンズ制御装置およびレンズ制御方法 Active JP7159478B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/029417 WO2021019600A1 (ja) 2019-07-26 2019-07-26 レンズ制御装置およびレンズ制御方法

Publications (3)

Publication Number Publication Date
JPWO2021019600A1 JPWO2021019600A1 (https=) 2021-02-04
JPWO2021019600A5 JPWO2021019600A5 (https=) 2022-02-17
JP7159478B2 true JP7159478B2 (ja) 2022-10-24

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JP2021536449A Active JP7159478B2 (ja) 2019-07-26 2019-07-26 レンズ制御装置およびレンズ制御方法

Country Status (3)

Country Link
US (1) US11906894B2 (https=)
JP (1) JP7159478B2 (https=)
WO (1) WO2021019600A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7749490B2 (ja) * 2022-02-18 2025-10-06 キヤノン株式会社 撮像レンズ装置および撮像装置
JP2025035541A (ja) * 2023-09-04 2025-03-14 キヤノン株式会社 制御装置、レンズ装置、撮像装置、制御方法、およびプログラム

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008191479A (ja) 2007-02-06 2008-08-21 Nikon Corp 光学系駆動装置およびカメラ

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6577343B2 (en) 1996-12-03 2003-06-10 Canon Kabushiki Kaisha Image pickup apparatus with lens control apparatus and focusing lens control
JP3610176B2 (ja) * 1996-12-03 2005-01-12 キヤノン株式会社 撮像装置、その制御方法、及びレンズ制御装置
JP5471120B2 (ja) 2009-02-13 2014-04-16 株式会社リコー 撮影レンズ駆動制御装置および撮像装置
JP5393769B2 (ja) * 2011-12-27 2014-01-22 オリンパスイメージング株式会社 光学機器および撮像装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008191479A (ja) 2007-02-06 2008-08-21 Nikon Corp 光学系駆動装置およびカメラ

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Publication number Publication date
JPWO2021019600A1 (https=) 2021-02-04
US11906894B2 (en) 2024-02-20
US20220137487A1 (en) 2022-05-05
WO2021019600A1 (ja) 2021-02-04

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