JPS58220253A - 光学ヘツド - Google Patents
光学ヘツドInfo
- Publication number
- JPS58220253A JPS58220253A JP10255682A JP10255682A JPS58220253A JP S58220253 A JPS58220253 A JP S58220253A JP 10255682 A JP10255682 A JP 10255682A JP 10255682 A JP10255682 A JP 10255682A JP S58220253 A JPS58220253 A JP S58220253A
- Authority
- JP
- Japan
- Prior art keywords
- frame
- electromagnetic
- lens holding
- solenoid coil
- optical head
- 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 22
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 102000005840 alpha-Galactosidase Human genes 0.000 description 1
- 108010030291 alpha-Galactosidase Proteins 0.000 description 1
- 229940033685 beano Drugs 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000000696 magnetic material Substances 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
Landscapes
- Optical Recording Or Reproduction (AREA)
- Automatic Focus Adjustment (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10255682A JPS58220253A (ja) | 1982-06-15 | 1982-06-15 | 光学ヘツド |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10255682A JPS58220253A (ja) | 1982-06-15 | 1982-06-15 | 光学ヘツド |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58220253A true JPS58220253A (ja) | 1983-12-21 |
| JPS6258050B2 JPS6258050B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-12-03 |
Family
ID=14330506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10255682A Granted JPS58220253A (ja) | 1982-06-15 | 1982-06-15 | 光学ヘツド |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58220253A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5258971A (en) * | 1991-05-31 | 1993-11-02 | Sony Corporation | Optical disc drive with interconnecting hoods |
-
1982
- 1982-06-15 JP JP10255682A patent/JPS58220253A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5258971A (en) * | 1991-05-31 | 1993-11-02 | Sony Corporation | Optical disc drive with interconnecting hoods |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6258050B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-12-03 |