JPS573230A - Recorder and reproducer for optical information - Google Patents
Recorder and reproducer for optical informationInfo
- Publication number
- JPS573230A JPS573230A JP7544380A JP7544380A JPS573230A JP S573230 A JPS573230 A JP S573230A JP 7544380 A JP7544380 A JP 7544380A JP 7544380 A JP7544380 A JP 7544380A JP S573230 A JPS573230 A JP S573230A
- Authority
- JP
- Japan
- Prior art keywords
- recording
- wavelength
- light
- disk
- lambda2
- 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.)
- Pending
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
- G11B7/0037—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs
-
- 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
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0908—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only
Landscapes
- Automatic Focus Adjustment (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7544380A JPS573230A (en) | 1980-06-06 | 1980-06-06 | Recorder and reproducer for optical information |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7544380A JPS573230A (en) | 1980-06-06 | 1980-06-06 | Recorder and reproducer for optical information |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS573230A true JPS573230A (en) | 1982-01-08 |
Family
ID=13576387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7544380A Pending JPS573230A (en) | 1980-06-06 | 1980-06-06 | Recorder and reproducer for optical information |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS573230A (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5155721A (en) * | 1986-09-13 | 1992-10-13 | Omron Tateisi Electronics Co. | Optical data storage accessing apparatus |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50158699A (ja) * | 1974-05-13 | 1975-12-22 | ||
| JPS54107708A (en) * | 1978-02-13 | 1979-08-23 | Toshiba Corp | Optical information recorder |
-
1980
- 1980-06-06 JP JP7544380A patent/JPS573230A/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50158699A (ja) * | 1974-05-13 | 1975-12-22 | ||
| JPS54107708A (en) * | 1978-02-13 | 1979-08-23 | Toshiba Corp | Optical information recorder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5155721A (en) * | 1986-09-13 | 1992-10-13 | Omron Tateisi Electronics Co. | Optical data storage accessing apparatus |
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