FR1072299A - Improvements to phonographs - Google Patents
Improvements to phonographsInfo
- Publication number
- FR1072299A FR1072299A FR1072299DA FR1072299A FR 1072299 A FR1072299 A FR 1072299A FR 1072299D A FR1072299D A FR 1072299DA FR 1072299 A FR1072299 A FR 1072299A
- Authority
- FR
- France
- Prior art keywords
- phonographs
- 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
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/20—Driving; Starting; Stopping; Control thereof
- G11B19/26—Speed-changing arrangements; Reversing arrangements; Drive-transfer means therefor
- G11B19/265—Friction wheel drive
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE1072299X | 1952-03-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1072299A true FR1072299A (en) | 1954-09-10 |
Family
ID=20419589
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1072299D Expired FR1072299A (en) | 1952-03-17 | 1953-03-09 | Improvements to phonographs |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1072299A (en) |
-
1953
- 1953-03-09 FR FR1072299D patent/FR1072299A/en not_active Expired
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