FR38863E - Improvements to film drive systems - Google Patents
Improvements to film drive systemsInfo
- Publication number
- FR38863E FR38863E FR38863DA FR38863E FR 38863 E FR38863 E FR 38863E FR 38863D A FR38863D A FR 38863DA FR 38863 E FR38863 E FR 38863E
- Authority
- FR
- France
- Prior art keywords
- drive systems
- film drive
- film
- systems
- drive
- Prior art date
- 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
- G03B31/00—Associated working of cameras or projectors with sound-recording or sound-reproducing means
- G03B31/02—Associated working of cameras or projectors with sound-recording or sound-reproducing means in which sound track is on a moving-picture film
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR38863T | 1930-03-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR38863E true FR38863E (en) | 1931-08-08 |
Family
ID=8675319
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR38863D Expired FR38863E (en) | 1930-03-25 | 1930-03-25 | Improvements to film drive systems |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR38863E (en) |
-
1930
- 1930-03-25 FR FR38863D patent/FR38863E/en not_active Expired
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