BE522748A - - Google Patents
Info
- Publication number
- BE522748A BE522748A BE522748DA BE522748A BE 522748 A BE522748 A BE 522748A BE 522748D A BE522748D A BE 522748DA BE 522748 A BE522748 A BE 522748A
- Authority
- BE
- Belgium
- Prior art keywords
- film
- auxiliary
- auxiliary film
- advancement
- inactivity
- Prior art date
Links
- 230000000694 effects Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE522748A true BE522748A (2) |
Family
ID=157913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE522748D BE522748A (2) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE522748A (2) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3139793A (en) * | 1960-12-19 | 1964-07-07 | Wilding Inc | System for strip film projection |
-
0
- BE BE522748D patent/BE522748A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3139793A (en) * | 1960-12-19 | 1964-07-07 | Wilding Inc | System for strip film projection |
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