FR2211670A1 - - Google Patents
Info
- Publication number
- FR2211670A1 FR2211670A1 FR7344769A FR7344769A FR2211670A1 FR 2211670 A1 FR2211670 A1 FR 2211670A1 FR 7344769 A FR7344769 A FR 7344769A FR 7344769 A FR7344769 A FR 7344769A FR 2211670 A1 FR2211670 A1 FR 2211670A1
- 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.)
- Granted
Links
Classifications
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- 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
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1362—Mirrors
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- 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
- G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electromagnets (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2262713 | 1972-12-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2211670A1 true FR2211670A1 (en) | 1974-07-19 |
| FR2211670B3 FR2211670B3 (en) | 1976-10-15 |
Family
ID=5865113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7344769A Expired FR2211670B3 (en) | 1972-12-21 | 1973-12-14 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2262713C2 (en) |
| FR (1) | FR2211670B3 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH669049A5 (en) * | 1986-04-11 | 1989-02-15 | Heinz Keiser | OSCILLATING LINEAR DEFLECTION DEVICE. |
-
1972
- 1972-12-21 DE DE19722262713D patent/DE2262713C2/en not_active Expired
-
1973
- 1973-12-14 FR FR7344769A patent/FR2211670B3/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2211670B3 (en) | 1976-10-15 |
| DE2262713C2 (en) | 1974-03-14 |
| DE2262713B1 (en) | 1973-08-09 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |