BE523785A - - Google Patents
Info
- Publication number
- BE523785A BE523785A BE523785DA BE523785A BE 523785 A BE523785 A BE 523785A BE 523785D A BE523785D A BE 523785DA BE 523785 A BE523785 A BE 523785A
- Authority
- BE
- Belgium
- Prior art keywords
- notches
- diaphragm
- exposure
- coupling
- scale
- Prior art date
Links
- 230000008878 coupling Effects 0.000 claims description 46
- 238000010168 coupling process Methods 0.000 claims description 46
- 238000005859 coupling reaction Methods 0.000 claims description 46
- 238000000034 method Methods 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035945 sensitivity 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)
- Exposure Control For Cameras (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE523785A true BE523785A (enrdf_load_stackoverflow) |
Family
ID=158610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE523785D BE523785A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE523785A (enrdf_load_stackoverflow) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2874622A (en) * | 1954-10-01 | 1959-02-24 | Hans Deckel | Photographic camera construction |
| US2887937A (en) * | 1954-07-16 | 1959-05-26 | Hans Deckel | Interchangeable lens for photographic apparatus |
| US2887940A (en) * | 1954-05-19 | 1959-05-26 | Hans Deckel | Photographic shutter |
| US2917984A (en) * | 1956-03-01 | 1959-12-22 | Voigtlaender Ag | Device for the adjustment of exposure values in photographic cameras |
| US3066586A (en) * | 1954-07-09 | 1962-12-04 | Voigtlaender Ag | Photographic camera |
-
0
- BE BE523785D patent/BE523785A/fr unknown
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2887940A (en) * | 1954-05-19 | 1959-05-26 | Hans Deckel | Photographic shutter |
| US3066586A (en) * | 1954-07-09 | 1962-12-04 | Voigtlaender Ag | Photographic camera |
| US2887937A (en) * | 1954-07-16 | 1959-05-26 | Hans Deckel | Interchangeable lens for photographic apparatus |
| US2874622A (en) * | 1954-10-01 | 1959-02-24 | Hans Deckel | Photographic camera construction |
| US2917984A (en) * | 1956-03-01 | 1959-12-22 | Voigtlaender Ag | Device for the adjustment of exposure values in photographic cameras |
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