BE341007A - - Google Patents
Info
- Publication number
- BE341007A BE341007A BE341007DA BE341007A BE 341007 A BE341007 A BE 341007A BE 341007D A BE341007D A BE 341007DA BE 341007 A BE341007 A BE 341007A
- Authority
- BE
- Belgium
- Prior art keywords
- lever
- ring
- shutter
- spring
- timer
- Prior art date
Links
- 230000000694 effects Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 230000008485 antagonism Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B9/00—Exposure-making shutters; Diaphragms
- G03B9/08—Shutters
- G03B9/10—Blade or disc rotating or pivoting about axis normal to its plane
- G03B9/18—More than two members
- G03B9/22—More than two members each moving in one direction to open and then in opposite direction to close, e.g. iris type
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Shutters For Cameras (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE341007A true BE341007A (enrdf_load_stackoverflow) |
Family
ID=17695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE341007D BE341007A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE341007A (enrdf_load_stackoverflow) |
-
0
- BE BE341007D patent/BE341007A/fr unknown
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