JPH048409Y2 - - Google Patents
Info
- Publication number
- JPH048409Y2 JPH048409Y2 JP18288985U JP18288985U JPH048409Y2 JP H048409 Y2 JPH048409 Y2 JP H048409Y2 JP 18288985 U JP18288985 U JP 18288985U JP 18288985 U JP18288985 U JP 18288985U JP H048409 Y2 JPH048409 Y2 JP H048409Y2
- Authority
- JP
- Japan
- Prior art keywords
- aperture
- circular arcs
- line
- group
- blade
- 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
Links
- 230000003287 optical effect Effects 0.000 claims description 10
- 238000013459 approach Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
Landscapes
- Diaphragms For Cameras (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18288985U JPH048409Y2 (cs) | 1985-11-29 | 1985-11-29 | |
| US06/878,605 US4797700A (en) | 1985-06-28 | 1986-06-26 | Diaphragm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18288985U JPH048409Y2 (cs) | 1985-11-29 | 1985-11-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6291625U JPS6291625U (cs) | 1987-06-11 |
| JPH048409Y2 true JPH048409Y2 (cs) | 1992-03-03 |
Family
ID=31129109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18288985U Expired JPH048409Y2 (cs) | 1985-06-28 | 1985-11-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH048409Y2 (cs) |
-
1985
- 1985-11-29 JP JP18288985U patent/JPH048409Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6291625U (cs) | 1987-06-11 |
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