BE475967A - - Google Patents
Info
- Publication number
- BE475967A BE475967A BE475967DA BE475967A BE 475967 A BE475967 A BE 475967A BE 475967D A BE475967D A BE 475967DA BE 475967 A BE475967 A BE 475967A
- Authority
- BE
- Belgium
- Prior art keywords
- cocking
- curtains
- curtain
- pulleys
- shutter
- Prior art date
Links
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
- G03B9/28—Roller blind or flexible plate
- G03B9/32—Double blind
- G03B9/34—Double blind with adjustable slot; with mechanism controlling relative movement of blinds to form slot
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Cameras Adapted For Combination With Other Photographic Or Optical Apparatuses (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE475967A true BE475967A (pm) |
Family
ID=124491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE475967D BE475967A (pm) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE475967A (pm) |
-
0
- BE BE475967D patent/BE475967A/fr unknown
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