FR705251A - Improvements to talking cinematographs - Google Patents
Improvements to talking cinematographsInfo
- Publication number
- FR705251A FR705251A FR705251DA FR705251A FR 705251 A FR705251 A FR 705251A FR 705251D A FR705251D A FR 705251DA FR 705251 A FR705251 A FR 705251A
- Authority
- FR
- France
- Prior art keywords
- cinematographs
- talking
- talking cinematographs
- 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
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB705251X | 1929-11-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR705251A true FR705251A (en) | 1931-06-04 |
Family
ID=10494003
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR705251D Expired FR705251A (en) | 1929-11-07 | 1930-11-07 | Improvements to talking cinematographs |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR705251A (en) |
-
1930
- 1930-11-07 FR FR705251D patent/FR705251A/en not_active Expired
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