FR714875A - - Google Patents
Info
- Publication number
- FR714875A FR714875A FR714875DA FR714875A FR 714875 A FR714875 A FR 714875A FR 714875D A FR714875D A FR 714875DA FR 714875 A FR714875 A FR 714875A
- Authority
- FR
- France
- 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
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR714875A true FR714875A (zh) | 1931-11-30 |
Family
ID=1544633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR714875D Expired FR714875A (zh) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR714875A (zh) |
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0
- FR FR714875D patent/FR714875A/fr not_active Expired