JPS58125240A - 光デイスク用ピックアップ - Google Patents
光デイスク用ピックアップInfo
- Publication number
- JPS58125240A JPS58125240A JP803082A JP803082A JPS58125240A JP S58125240 A JPS58125240 A JP S58125240A JP 803082 A JP803082 A JP 803082A JP 803082 A JP803082 A JP 803082A JP S58125240 A JPS58125240 A JP S58125240A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- magnetic member
- lens barrel
- winding
- pickup
- 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 description 27
- 238000004804 winding Methods 0.000 claims abstract description 52
- 230000004907 flux Effects 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- 238000003908 quality control method Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 206010011878 Deafness Diseases 0.000 description 1
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 1
- 231100000895 deafness Toxicity 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000016354 hearing loss disease Diseases 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005728 strengthening 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
- G11B7/09—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
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0932—Details of sprung supports
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP803082A JPS58125240A (ja) | 1982-01-21 | 1982-01-21 | 光デイスク用ピックアップ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP803082A JPS58125240A (ja) | 1982-01-21 | 1982-01-21 | 光デイスク用ピックアップ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58125240A true JPS58125240A (ja) | 1983-07-26 |
| JPS6343816B2 JPS6343816B2 (enrdf_load_stackoverflow) | 1988-09-01 |
Family
ID=11681935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP803082A Granted JPS58125240A (ja) | 1982-01-21 | 1982-01-21 | 光デイスク用ピックアップ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58125240A (enrdf_load_stackoverflow) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5788534A (en) * | 1980-11-22 | 1982-06-02 | Matsushita Electric Ind Co Ltd | Controller for light converging position |
-
1982
- 1982-01-21 JP JP803082A patent/JPS58125240A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5788534A (en) * | 1980-11-22 | 1982-06-02 | Matsushita Electric Ind Co Ltd | Controller for light converging position |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6343816B2 (enrdf_load_stackoverflow) | 1988-09-01 |
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