FR781851A - Perfectionnements aux phonographes - Google Patents
Perfectionnements aux phonographesInfo
- Publication number
- FR781851A FR781851A FR781851DA FR781851A FR 781851 A FR781851 A FR 781851A FR 781851D A FR781851D A FR 781851DA FR 781851 A FR781851 A FR 781851A
- 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
- G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
- G11B3/02—Arrangements of heads
- G11B3/10—Arranging, supporting, or driving of heads or of transducers relatively to record carriers
- G11B3/34—Driving or guiding during transducing operation
- G11B3/36—Automatic-feed mechanisms producing progressive transducing traverse across record carriers otherwise than by grooves, e.g. by lead-screw
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR781851T | 1934-11-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR781851A true FR781851A (fr) | 1935-05-23 |
Family
ID=9209781
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR781851D Expired FR781851A (fr) | 1934-11-19 | 1934-11-19 | Perfectionnements aux phonographes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR781851A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4583415A (en) * | 1982-03-24 | 1986-04-22 | C.L.M. Cooperatieve | Friction wheel transmission for driving a rotary sieve device |
-
1934
- 1934-11-19 FR FR781851D patent/FR781851A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4583415A (en) * | 1982-03-24 | 1986-04-22 | C.L.M. Cooperatieve | Friction wheel transmission for driving a rotary sieve device |
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