FR773894A - Perfectionnements aux films parlants - Google Patents
Perfectionnements aux films parlantsInfo
- Publication number
- FR773894A FR773894A FR773894DA FR773894A FR 773894 A FR773894 A FR 773894A FR 773894D A FR773894D A FR 773894DA FR 773894 A FR773894 A FR 773894A
- Authority
- FR
- France
- Prior art keywords
- improvement
- talking
- films
- talking films
- films improvement
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR773894T | 1933-08-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR773894A true FR773894A (fr) | 1934-11-27 |
Family
ID=9199260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR773894D Expired FR773894A (fr) | 1933-08-24 | 1933-08-24 | Perfectionnements aux films parlants |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR773894A (fr) |
-
1933
- 1933-08-24 FR FR773894D patent/FR773894A/fr not_active Expired
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