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 (enrdf_load_stackoverflow) | 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 (enrdf_load_stackoverflow) | 1985-11-29 | 1985-11-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6291625U JPS6291625U (enrdf_load_stackoverflow) | 1987-06-11 |
| JPH048409Y2 true JPH048409Y2 (enrdf_load_stackoverflow) | 1992-03-03 |
Family
ID=31129109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18288985U Expired JPH048409Y2 (enrdf_load_stackoverflow) | 1985-06-28 | 1985-11-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH048409Y2 (enrdf_load_stackoverflow) |
-
1985
- 1985-11-29 JP JP18288985U patent/JPH048409Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6291625U (enrdf_load_stackoverflow) | 1987-06-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH048409Y2 (enrdf_load_stackoverflow) | ||
| JPS638638A (ja) | 絞り装置 | |
| JP2000131510A (ja) | トーリック面を持つフレネルレンズ | |
| US3727531A (en) | Iris diaphragm with linear aperture scale | |
| JP3019500B2 (ja) | カメラレンズの絞り装置 | |
| JP2000040249A5 (enrdf_load_stackoverflow) | ||
| CA1243644A (en) | Illumination system reflector | |
| JPS6134530A (ja) | 絞り羽根 | |
| JPH06308569A (ja) | 絞り機構 | |
| US5296885A (en) | Aperture correction for moving aperture shutters | |
| JPH063520B2 (ja) | 絞り装置 | |
| JPS58206412A (ja) | ベンチレ−タ | |
| CN104252085A (zh) | 光圈单元、镜头设备和图像拾取设备 | |
| JP2692852B2 (ja) | カメラ用シヤツタ | |
| JPH10197833A (ja) | 眼鏡における前掛け枠の回動装置 | |
| JPS593444Y2 (ja) | 表示灯用グロ−ブ | |
| JPS55117135A (en) | Iris shutter | |
| JPS6141678B2 (enrdf_load_stackoverflow) | ||
| JPS6025082Y2 (ja) | プラネタリウムの投影装置 | |
| JPH032885Y2 (enrdf_load_stackoverflow) | ||
| Naik et al. | Image formation through extended apertures | |
| JPS56165135A (en) | Transmission type screen | |
| JPH0446262Y2 (enrdf_load_stackoverflow) | ||
| JPH0661Y2 (ja) | カッター | |
| JPH0525121Y2 (enrdf_load_stackoverflow) |