FR492964A - Perfectionnements, apportés aux machines parlantes - Google Patents
Perfectionnements, apportés aux machines parlantesInfo
- Publication number
- FR492964A FR492964A FR492964DA FR492964A FR 492964 A FR492964 A FR 492964A FR 492964D A FR492964D A FR 492964DA FR 492964 A FR492964 A FR 492964A
- Authority
- FR
- France
- Prior art keywords
- improvements made
- talking machines
- talking
- machines
- 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
- G11B3/44—Styli, e.g. sapphire, diamond
- G11B3/46—Constructions or forms ; Dispositions or mountings, e.g. attachment of point to shank
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR492964T | 1918-11-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR492964A true FR492964A (fr) | 1919-07-26 |
Family
ID=1528763
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR492964D Expired FR492964A (fr) | 1918-11-13 | 1918-11-13 | Perfectionnements, apportés aux machines parlantes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR492964A (fr) |
-
1918
- 1918-11-13 FR FR492964D patent/FR492964A/fr not_active Expired
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