JP6772102B2 - 光量調整装置及びこれを備える光学機器 - Google Patents

光量調整装置及びこれを備える光学機器 Download PDF

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Publication number
JP6772102B2
JP6772102B2 JP2017072930A JP2017072930A JP6772102B2 JP 6772102 B2 JP6772102 B2 JP 6772102B2 JP 2017072930 A JP2017072930 A JP 2017072930A JP 2017072930 A JP2017072930 A JP 2017072930A JP 6772102 B2 JP6772102 B2 JP 6772102B2
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Japan
Prior art keywords
unit
lens
drive
detection unit
adjusting device
Prior art date
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Active
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JP2017072930A
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English (en)
Japanese (ja)
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JP2018173600A (ja
JP2018173600A5 (enExample
Inventor
長尾　裕貴
裕貴 長尾
早川　誠
誠 早川
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.)
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Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2017072930A priority Critical patent/JP6772102B2/ja
Priority to US15/933,128 priority patent/US10394104B2/en
Publication of JP2018173600A publication Critical patent/JP2018173600A/ja
Publication of JP2018173600A5 publication Critical patent/JP2018173600A5/ja
Application granted granted Critical
Publication of JP6772102B2 publication Critical patent/JP6772102B2/ja
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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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/02—Diaphragms
    • G03B9/06—Two or more co-operating pivoted blades, e.g. iris type
    • 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
    • G03B17/02—Bodies
    • G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
    • G03B17/14—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets interchangeably

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Diaphragms For Cameras (AREA)
  • Structure And Mechanism Of Cameras (AREA)
JP2017072930A 2017-03-31 2017-03-31 光量調整装置及びこれを備える光学機器 Active JP6772102B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2017072930A JP6772102B2 (ja) 2017-03-31 2017-03-31 光量調整装置及びこれを備える光学機器
US15/933,128 US10394104B2 (en) 2017-03-31 2018-03-22 Light amount adjustment apparatus and optical apparatus including the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017072930A JP6772102B2 (ja) 2017-03-31 2017-03-31 光量調整装置及びこれを備える光学機器

Publications (3)

Publication Number Publication Date
JP2018173600A JP2018173600A (ja) 2018-11-08
JP2018173600A5 JP2018173600A5 (enExample) 2019-07-25
JP6772102B2 true JP6772102B2 (ja) 2020-10-21

Family

ID=63669328

Family Applications (1)

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JP2017072930A Active JP6772102B2 (ja) 2017-03-31 2017-03-31 光量調整装置及びこれを備える光学機器

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US (1) US10394104B2 (enExample)
JP (1) JP6772102B2 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102158710B1 (ko) * 2018-06-08 2020-09-22 삼성전기주식회사 카메라 모듈
JP7115627B2 (ja) * 2019-02-22 2022-08-09 株式会社ニコン 絞り機構及び光学機器
JP7464057B2 (ja) * 2019-09-13 2024-04-09 株式会社ニコン レンズ鏡筒及び撮像装置
CN113885269B (zh) * 2021-10-29 2023-03-31 河南皓泽电子股份有限公司 镜头光圈调节装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4772909A (en) * 1986-03-27 1988-09-20 Nippon Kogaku K. K. Lens drive control apparatus for automatic focusing
JPH0220842A (ja) 1988-07-08 1990-01-24 Olympus Optical Co Ltd ステッピングモータによる絞り制御方式
JP5315766B2 (ja) * 2008-04-17 2013-10-16 ペンタックスリコーイメージング株式会社 レンズ交換式カメラの絞り駆動装置
JP2010014814A (ja) 2008-07-01 2010-01-21 Panasonic Corp 絞り装置および撮像装置
JP5631144B2 (ja) 2010-10-05 2014-11-26 キヤノン株式会社 光量調節装置

Also Published As

Publication number Publication date
US10394104B2 (en) 2019-08-27
US20180284572A1 (en) 2018-10-04
JP2018173600A (ja) 2018-11-08

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