FR674073A - Phonogrammes - Google Patents
PhonogrammesInfo
- Publication number
- FR674073A FR674073A FR674073DA FR674073A FR 674073 A FR674073 A FR 674073A FR 674073D A FR674073D A FR 674073DA FR 674073 A FR674073 A FR 674073A
- Authority
- FR
- France
- Prior art keywords
- phonograms
- 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
- G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
- G11B3/68—Record carriers
- G11B3/70—Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB674073X | 1928-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR674073A true FR674073A (fr) | 1930-01-23 |
Family
ID=10491928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR674073D Expired FR674073A (fr) | 1928-04-27 | 1929-04-26 | Phonogrammes |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR674073A (fr) |
-
1929
- 1929-04-26 FR FR674073D patent/FR674073A/fr not_active Expired
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