FR632799A - - Google Patents
Info
- Publication number
- FR632799A FR632799A FR632799DA FR632799A FR 632799 A FR632799 A FR 632799A FR 632799D A FR632799D A FR 632799DA FR 632799 A FR632799 A FR 632799A
- Authority
- FR
- France
- 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
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
- G03B1/00—Film strip handling
- G03B1/02—Moving film strip by pull on end thereof
- G03B1/04—Pull exerted by take-up spool
- G03B1/12—Pull exerted by take-up spool rotated by motor, e.g. spring
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR632799A true FR632799A (fr) | 1928-01-14 |
Family
ID=1541852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR632799D Expired FR632799A (fr) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR632799A (fr) |
-
0
- FR FR632799D patent/FR632799A/fr not_active Expired