FR642373A - Method and devices for making and reproducing sound films - Google Patents
Method and devices for making and reproducing sound filmsInfo
- Publication number
- FR642373A FR642373A FR642373DA FR642373A FR 642373 A FR642373 A FR 642373A FR 642373D A FR642373D A FR 642373DA FR 642373 A FR642373 A FR 642373A
- Authority
- FR
- France
- Prior art keywords
- making
- devices
- reproducing sound
- sound films
- films
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE642373X | 1927-04-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR642373A true FR642373A (en) | 1928-08-28 |
Family
ID=6580241
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR642373D Expired FR642373A (en) | 1927-04-09 | 1927-10-06 | Method and devices for making and reproducing sound films |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR642373A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE751441C (en) * | 1930-12-16 | 1953-03-02 | Arnold Poulsen Dipl Ing | Method and device for producing a low-noise optical sound recording in sprout script |
DE870481C (en) * | 1931-08-31 | 1953-03-12 | Western Electric Co | Method and device for producing a sound film recording in intensity writing |
DE751531C (en) * | 1930-09-27 | 1953-04-27 | Arnold Poulsen Dipl Ing | Method and device for producing a low-noise sound recording in serrated script |
DE912024C (en) * | 1930-06-25 | 1954-07-15 | Aeg | Sound or picture sound recording |
-
1927
- 1927-10-06 FR FR642373D patent/FR642373A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE912024C (en) * | 1930-06-25 | 1954-07-15 | Aeg | Sound or picture sound recording |
DE751531C (en) * | 1930-09-27 | 1953-04-27 | Arnold Poulsen Dipl Ing | Method and device for producing a low-noise sound recording in serrated script |
DE751441C (en) * | 1930-12-16 | 1953-03-02 | Arnold Poulsen Dipl Ing | Method and device for producing a low-noise optical sound recording in sprout script |
DE870481C (en) * | 1931-08-31 | 1953-03-12 | Western Electric Co | Method and device for producing a sound film recording in intensity writing |
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