FR767591A - - Google Patents
Info
- Publication number
- FR767591A FR767591A FR767591DA FR767591A FR 767591 A FR767591 A FR 767591A FR 767591D A FR767591D A FR 767591DA FR 767591 A FR767591 A FR 767591A
- 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
- 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
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR767591A true FR767591A (cs) | 1934-07-19 |
Family
ID=1551570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR767591D Expired FR767591A (cs) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR767591A (cs) |
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0
- FR FR767591D patent/FR767591A/fr not_active Expired