JPH02121730U - - Google Patents

Info

Publication number
JPH02121730U
JPH02121730U JP3077089U JP3077089U JPH02121730U JP H02121730 U JPH02121730 U JP H02121730U JP 3077089 U JP3077089 U JP 3077089U JP 3077089 U JP3077089 U JP 3077089U JP H02121730 U JPH02121730 U JP H02121730U
Authority
JP
Japan
Prior art keywords
base member
optical path
step motor
cam
ring
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.)
Granted
Application number
JP3077089U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0710335Y2 (ja
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 filed Critical
Priority to JP3077089U priority Critical patent/JPH0710335Y2/ja
Publication of JPH02121730U publication Critical patent/JPH02121730U/ja
Application granted granted Critical
Publication of JPH0710335Y2 publication Critical patent/JPH0710335Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Diaphragms For Cameras (AREA)
JP3077089U 1989-03-17 1989-03-17 ステップモータを駆動源とする口径調節装置 Expired - Fee Related JPH0710335Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3077089U JPH0710335Y2 (ja) 1989-03-17 1989-03-17 ステップモータを駆動源とする口径調節装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3077089U JPH0710335Y2 (ja) 1989-03-17 1989-03-17 ステップモータを駆動源とする口径調節装置

Publications (2)

Publication Number Publication Date
JPH02121730U true JPH02121730U (US20020193084A1-20021219-M00002.png) 1990-10-03
JPH0710335Y2 JPH0710335Y2 (ja) 1995-03-08

Family

ID=31256129

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3077089U Expired - Fee Related JPH0710335Y2 (ja) 1989-03-17 1989-03-17 ステップモータを駆動源とする口径調節装置

Country Status (1)

Country Link
JP (1) JPH0710335Y2 (US20020193084A1-20021219-M00002.png)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012145929A (ja) * 2010-12-21 2012-08-02 Canon Electronics Inc 光量調節装置および光学機器
JP2018141829A (ja) * 2017-02-27 2018-09-13 オリンパス株式会社 露光量調整装置
US11073742B2 (en) 2019-06-03 2021-07-27 Canon Kabushiki Kaisha Light amount adjusting apparatus and optical apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007163827A (ja) * 2005-12-14 2007-06-28 Tokyo Micro:Kk 光路開閉装置及び撮像装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012145929A (ja) * 2010-12-21 2012-08-02 Canon Electronics Inc 光量調節装置および光学機器
JP2018141829A (ja) * 2017-02-27 2018-09-13 オリンパス株式会社 露光量調整装置
US11073742B2 (en) 2019-06-03 2021-07-27 Canon Kabushiki Kaisha Light amount adjusting apparatus and optical apparatus

Also Published As

Publication number Publication date
JPH0710335Y2 (ja) 1995-03-08

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees