FR2166879A5 - - Google Patents
Info
- Publication number
- FR2166879A5 FR2166879A5 FR7222939A FR7222939A FR2166879A5 FR 2166879 A5 FR2166879 A5 FR 2166879A5 FR 7222939 A FR7222939 A FR 7222939A FR 7222939 A FR7222939 A FR 7222939A FR 2166879 A5 FR2166879 A5 FR 2166879A5
- 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7222939A FR2166879A5 (de) | 1972-06-16 | 1972-06-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7222939A FR2166879A5 (de) | 1972-06-16 | 1972-06-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2166879A5 true FR2166879A5 (de) | 1973-08-17 |
Family
ID=9100767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7222939A Expired FR2166879A5 (de) | 1972-06-16 | 1972-06-16 |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2166879A5 (de) |
-
1972
- 1972-06-16 FR FR7222939A patent/FR2166879A5/fr not_active Expired
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |