JPS60195744A - 光学的情報記録装置 - Google Patents
光学的情報記録装置Info
- Publication number
- JPS60195744A JPS60195744A JP5171084A JP5171084A JPS60195744A JP S60195744 A JPS60195744 A JP S60195744A JP 5171084 A JP5171084 A JP 5171084A JP 5171084 A JP5171084 A JP 5171084A JP S60195744 A JPS60195744 A JP S60195744A
- Authority
- JP
- Japan
- Prior art keywords
- output
- objective lens
- laser
- amplifier
- motor
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 33
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 238000013459 approach Methods 0.000 claims abstract description 6
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 230000010287 polarization Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 11
- 230000007423 decrease Effects 0.000 description 3
- 230000007257 malfunction Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 210000005095 gastrointestinal system Anatomy 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
- G11B7/0857—Arrangements for mechanically moving the whole head
Landscapes
- Automatic Focus Adjustment (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5171084A JPS60195744A (ja) | 1984-03-16 | 1984-03-16 | 光学的情報記録装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5171084A JPS60195744A (ja) | 1984-03-16 | 1984-03-16 | 光学的情報記録装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60195744A true JPS60195744A (ja) | 1985-10-04 |
| JPH058497B2 JPH058497B2 (enrdf_load_stackoverflow) | 1993-02-02 |
Family
ID=12894447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5171084A Granted JPS60195744A (ja) | 1984-03-16 | 1984-03-16 | 光学的情報記録装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60195744A (enrdf_load_stackoverflow) |
-
1984
- 1984-03-16 JP JP5171084A patent/JPS60195744A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH058497B2 (enrdf_load_stackoverflow) | 1993-02-02 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |