FR939589A - Device for the use and reproduction of electro-optically reproducible sound recordings - Google Patents
Device for the use and reproduction of electro-optically reproducible sound recordingsInfo
- Publication number
- FR939589A FR939589A FR939589DA FR939589A FR 939589 A FR939589 A FR 939589A FR 939589D A FR939589D A FR 939589DA FR 939589 A FR939589 A FR 939589A
- Authority
- FR
- France
- Prior art keywords
- reproduction
- electro
- sound recordings
- reproducible sound
- optically reproducible
- 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
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
- G11B7/003—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with webs, filaments or wires, e.g. belts, spooled tapes or films of quasi-infinite extent
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL939589X | 1946-01-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR939589A true FR939589A (en) | 1948-11-18 |
Family
ID=19863638
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR939589D Expired FR939589A (en) | 1946-01-09 | 1947-01-07 | Device for the use and reproduction of electro-optically reproducible sound recordings |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR939589A (en) |
-
1947
- 1947-01-07 FR FR939589D patent/FR939589A/en not_active Expired
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