JPH0637402Y2 - 光量絞り装置 - Google Patents

光量絞り装置

Info

Publication number
JPH0637402Y2
JPH0637402Y2 JP1987078049U JP7804987U JPH0637402Y2 JP H0637402 Y2 JPH0637402 Y2 JP H0637402Y2 JP 1987078049 U JP1987078049 U JP 1987078049U JP 7804987 U JP7804987 U JP 7804987U JP H0637402 Y2 JPH0637402 Y2 JP H0637402Y2
Authority
JP
Japan
Prior art keywords
diaphragm
diaphragm blades
blades
light amount
main plate
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.)
Expired - Lifetime
Application number
JP1987078049U
Other languages
English (en)
Japanese (ja)
Other versions
JPS63188639U (enrdf_load_stackoverflow
Inventor
修 堀口
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 Electronics Inc
Original Assignee
Canon Electronics 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 Electronics Inc filed Critical Canon Electronics Inc
Priority to JP1987078049U priority Critical patent/JPH0637402Y2/ja
Publication of JPS63188639U publication Critical patent/JPS63188639U/ja
Application granted granted Critical
Publication of JPH0637402Y2 publication Critical patent/JPH0637402Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Diaphragms For Cameras (AREA)
JP1987078049U 1987-05-22 1987-05-22 光量絞り装置 Expired - Lifetime JPH0637402Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987078049U JPH0637402Y2 (ja) 1987-05-22 1987-05-22 光量絞り装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987078049U JPH0637402Y2 (ja) 1987-05-22 1987-05-22 光量絞り装置

Publications (2)

Publication Number Publication Date
JPS63188639U JPS63188639U (enrdf_load_stackoverflow) 1988-12-02
JPH0637402Y2 true JPH0637402Y2 (ja) 1994-09-28

Family

ID=30926631

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987078049U Expired - Lifetime JPH0637402Y2 (ja) 1987-05-22 1987-05-22 光量絞り装置

Country Status (1)

Country Link
JP (1) JPH0637402Y2 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016136931A1 (ja) * 2015-02-27 2016-09-01 日本電産コパル株式会社 羽根駆動装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2794799B2 (ja) * 1989-06-28 1998-09-10 キヤノン株式会社 光量制御装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS594524U (ja) * 1982-06-30 1984-01-12 日本精密工業株式会社 ビデオカメラ用絞り装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016136931A1 (ja) * 2015-02-27 2016-09-01 日本電産コパル株式会社 羽根駆動装置
CN107407854A (zh) * 2015-02-27 2017-11-28 日本电产科宝株式会社 叶片驱动装置
JPWO2016136931A1 (ja) * 2015-02-27 2017-12-07 日本電産コパル株式会社 羽根駆動装置
CN107407854B (zh) * 2015-02-27 2020-09-29 日本电产科宝株式会社 叶片驱动装置
US10809595B2 (en) 2015-02-27 2020-10-20 Nidec Copal Corporation Blade driving device

Also Published As

Publication number Publication date
JPS63188639U (enrdf_load_stackoverflow) 1988-12-02

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