JPS63188639U - - Google Patents

Info

Publication number
JPS63188639U
JPS63188639U JP7804987U JP7804987U JPS63188639U JP S63188639 U JPS63188639 U JP S63188639U JP 7804987 U JP7804987 U JP 7804987U JP 7804987 U JP7804987 U JP 7804987U JP S63188639 U JPS63188639 U JP S63188639U
Authority
JP
Japan
Prior art keywords
aperture
base plate
light amount
diaphragm device
blades
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
JP7804987U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0637402Y2 (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 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 true JPS63188639U (enrdf_load_stackoverflow) 1988-12-02
JPH0637402Y2 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
JPH0331831A (ja) * 1989-06-28 1991-02-12 Canon Inc 光量制御装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10809595B2 (en) 2015-02-27 2020-10-20 Nidec Copal Corporation Blade driving device

Citations (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

Patent Citations (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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0331831A (ja) * 1989-06-28 1991-02-12 Canon Inc 光量制御装置

Also Published As

Publication number Publication date
JPH0637402Y2 (ja) 1994-09-28

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