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
Links
- 230000003287 optical effect Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
Landscapes
- Diaphragms For Cameras (AREA)
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 (enExample) | 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 (enExample) |
Cited By (1)
| 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)
| 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 |
Citations (1)
| 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 |
-
1987
- 1987-05-22 JP JP1987078049U patent/JPH0637402Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| 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)
| 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 |