FR34850E - - Google Patents
Info
- Publication number
- FR34850E FR34850E FR34850DA FR34850E FR 34850 E FR34850 E FR 34850E FR 34850D A FR34850D A FR 34850DA FR 34850 E FR34850 E FR 34850E
- 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 |
|---|---|
| FR34850E true FR34850E (enrdf_load_html_response) | 1927-10-21 |
Family
ID=1362704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR34850D Expired FR34850E (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR34850E (enrdf_load_html_response) |
-
0
- FR FR34850D patent/FR34850E/fr not_active Expired