JPS6233657B2 - - Google Patents
Info
- Publication number
- JPS6233657B2 JPS6233657B2 JP20699381A JP20699381A JPS6233657B2 JP S6233657 B2 JPS6233657 B2 JP S6233657B2 JP 20699381 A JP20699381 A JP 20699381A JP 20699381 A JP20699381 A JP 20699381A JP S6233657 B2 JPS6233657 B2 JP S6233657B2
- Authority
- JP
- Japan
- Prior art keywords
- tracking
- focus
- permanent magnet
- frame
- moving
- 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.)
- Expired
Links
- 239000013585 weight reducing agent Substances 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 description 13
- 238000000926 separation method Methods 0.000 description 4
- 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 2
- 230000000694 effects Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000002093 peripheral effect Effects 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
- G11B7/093—Electromechanical actuators for lens positioning for focusing and tracking
-
- 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
- Automatic Focus Adjustment (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20699381A JPS58111136A (ja) | 1981-12-23 | 1981-12-23 | 光ピツクアツプ装置の対物レンズ上下左右移動装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20699381A JPS58111136A (ja) | 1981-12-23 | 1981-12-23 | 光ピツクアツプ装置の対物レンズ上下左右移動装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58111136A JPS58111136A (ja) | 1983-07-02 |
| JPS6233657B2 true JPS6233657B2 (sv) | 1987-07-22 |
Family
ID=16532403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20699381A Granted JPS58111136A (ja) | 1981-12-23 | 1981-12-23 | 光ピツクアツプ装置の対物レンズ上下左右移動装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58111136A (sv) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4818066A (en) * | 1984-01-30 | 1989-04-04 | Canon Kabushiki Kaisha | Objective lens driving device |
| KR102131420B1 (ko) * | 2013-12-04 | 2020-07-08 | 엘지이노텍 주식회사 | 렌즈구동모터 |
| KR102484016B1 (ko) * | 2021-02-17 | 2023-01-03 | 엘지이노텍 주식회사 | 렌즈구동모터 |
-
1981
- 1981-12-23 JP JP20699381A patent/JPS58111136A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58111136A (ja) | 1983-07-02 |
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