FR728245A - Perfectionnement aux machines parlantes - Google Patents
Perfectionnement aux machines parlantesInfo
- Publication number
- FR728245A FR728245A FR728245DA FR728245A FR 728245 A FR728245 A FR 728245A FR 728245D A FR728245D A FR 728245DA FR 728245 A FR728245 A FR 728245A
- Authority
- FR
- France
- Prior art keywords
- further training
- talking machines
- talking
- machines
- training
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR728245T | 1931-12-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR728245A true FR728245A (fr) | 1932-07-02 |
Family
ID=9111728
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR728245D Expired FR728245A (fr) | 1931-12-14 | 1931-12-14 | Perfectionnement aux machines parlantes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR728245A (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2516565A (en) * | 1948-03-30 | 1950-07-25 | Gen Electric | Phonograph reproducing arm |
US2568447A (en) * | 1948-02-26 | 1951-09-18 | Gen Electric | Phonograph tone arm |
US2619352A (en) * | 1947-06-19 | 1952-11-25 | Magnavox Co | Phonograph pickup arm and mounting |
US2862716A (en) * | 1953-11-13 | 1958-12-02 | Marks Joseph David | Tone arm for sound reproduction |
-
1931
- 1931-12-14 FR FR728245D patent/FR728245A/fr not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2619352A (en) * | 1947-06-19 | 1952-11-25 | Magnavox Co | Phonograph pickup arm and mounting |
US2568447A (en) * | 1948-02-26 | 1951-09-18 | Gen Electric | Phonograph tone arm |
US2516565A (en) * | 1948-03-30 | 1950-07-25 | Gen Electric | Phonograph reproducing arm |
US2862716A (en) * | 1953-11-13 | 1958-12-02 | Marks Joseph David | Tone arm for sound reproduction |
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