FR674929A - Horn device for phonograph - Google Patents
Horn device for phonographInfo
- Publication number
- FR674929A FR674929A FR674929DA FR674929A FR 674929 A FR674929 A FR 674929A FR 674929D A FR674929D A FR 674929DA FR 674929 A FR674929 A FR 674929A
- Authority
- FR
- France
- Prior art keywords
- phonograph
- horn device
- horn
- 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
- G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
- G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR674929T | 1929-05-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR674929A true FR674929A (en) | 1930-02-04 |
Family
ID=9019053
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR674929D Expired FR674929A (en) | 1929-05-11 | 1929-05-11 | Horn device for phonograph |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR674929A (en) |
-
1929
- 1929-05-11 FR FR674929D patent/FR674929A/en not_active Expired
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