JP2020027231A - 光量調節装置及び光学機器 - Google Patents

光量調節装置及び光学機器 Download PDF

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Publication number
JP2020027231A
JP2020027231A JP2018153580A JP2018153580A JP2020027231A JP 2020027231 A JP2020027231 A JP 2020027231A JP 2018153580 A JP2018153580 A JP 2018153580A JP 2018153580 A JP2018153580 A JP 2018153580A JP 2020027231 A JP2020027231 A JP 2020027231A
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Japan
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aperture
diaphragm
blade group
blade
blades
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JP2018153580A
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Japanese (ja)
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JP2020027231A5 (enExample
Inventor
隆仁 吉澤
Takahito Yoshizawa
隆仁 吉澤
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Canon Electronics Inc
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Canon Electronics Inc
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Application filed by Canon Electronics Inc filed Critical Canon Electronics Inc
Priority to JP2018153580A priority Critical patent/JP2020027231A/ja
Publication of JP2020027231A publication Critical patent/JP2020027231A/ja
Publication of JP2020027231A5 publication Critical patent/JP2020027231A5/ja
Pending legal-status Critical Current

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JP2018153580A 2018-08-17 2018-08-17 光量調節装置及び光学機器 Pending JP2020027231A (ja)

Priority Applications (1)

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JP2018153580A JP2020027231A (ja) 2018-08-17 2018-08-17 光量調節装置及び光学機器

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JP2018153580A JP2020027231A (ja) 2018-08-17 2018-08-17 光量調節装置及び光学機器

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JP2020027231A true JP2020027231A (ja) 2020-02-20
JP2020027231A5 JP2020027231A5 (enExample) 2021-09-24

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JP2018153580A Pending JP2020027231A (ja) 2018-08-17 2018-08-17 光量調節装置及び光学機器

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7557313B2 (ja) 2020-08-28 2024-09-27 キヤノン電子株式会社 光量調節装置及び光学機器

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010282024A (ja) * 2009-06-04 2010-12-16 Canon Inc 光量調節装置
JP2012123299A (ja) * 2010-12-10 2012-06-28 Pentax Ricoh Imaging Co Ltd 絞り装置
JP2017058679A (ja) * 2015-09-16 2017-03-23 キヤノン電子株式会社 羽根駆動装置及び光学装置
JP2018054925A (ja) * 2016-09-29 2018-04-05 キヤノン株式会社 絞り装置及びそれを有するレンズ装置及び撮像装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010282024A (ja) * 2009-06-04 2010-12-16 Canon Inc 光量調節装置
JP2012123299A (ja) * 2010-12-10 2012-06-28 Pentax Ricoh Imaging Co Ltd 絞り装置
JP2017058679A (ja) * 2015-09-16 2017-03-23 キヤノン電子株式会社 羽根駆動装置及び光学装置
JP2018054925A (ja) * 2016-09-29 2018-04-05 キヤノン株式会社 絞り装置及びそれを有するレンズ装置及び撮像装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7557313B2 (ja) 2020-08-28 2024-09-27 キヤノン電子株式会社 光量調節装置及び光学機器

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