FR818375A - Lecteurs photophoniques - Google Patents
Lecteurs photophoniquesInfo
- Publication number
- FR818375A FR818375A FR818375DA FR818375A FR 818375 A FR818375 A FR 818375A FR 818375D A FR818375D A FR 818375DA FR 818375 A FR818375 A FR 818375A
- Authority
- FR
- France
- Prior art keywords
- photophonic
- readers
- photophonic readers
- 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
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
- G11B15/26—Driving record carriers by members acting directly or indirectly thereon
- G11B15/34—Driving record carriers by members acting directly or indirectly thereon through non-slip drive means, e.g. sprocket
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE818375X | 1936-05-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR818375A true FR818375A (fr) | 1937-09-24 |
Family
ID=6735420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR818375D Expired FR818375A (fr) | 1936-05-08 | 1937-02-25 | Lecteurs photophoniques |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR818375A (fr) |
-
1937
- 1937-02-25 FR FR818375D patent/FR818375A/fr not_active Expired
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