JPH054732B2 - - Google Patents
Info
- Publication number
- JPH054732B2 JPH054732B2 JP57233096A JP23309682A JPH054732B2 JP H054732 B2 JPH054732 B2 JP H054732B2 JP 57233096 A JP57233096 A JP 57233096A JP 23309682 A JP23309682 A JP 23309682A JP H054732 B2 JPH054732 B2 JP H054732B2
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- fixed
- magnetic
- coil
- optical axis
- 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 - Lifetime
Links
- 230000003287 optical effect Effects 0.000 claims description 13
- 241000510678 Falcaria vulgaris Species 0.000 claims 1
- 238000000034 method Methods 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000005236 sound signal 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
- G11B7/0932—Details of sprung supports
Landscapes
- Automatic Focus Adjustment (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23309682A JPS59124042A (ja) | 1982-12-28 | 1982-12-28 | 対物レンズ駆動装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23309682A JPS59124042A (ja) | 1982-12-28 | 1982-12-28 | 対物レンズ駆動装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59124042A JPS59124042A (ja) | 1984-07-18 |
JPH054732B2 true JPH054732B2 (US20100056889A1-20100304-C00004.png) | 1993-01-20 |
Family
ID=16949713
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP23309682A Granted JPS59124042A (ja) | 1982-12-28 | 1982-12-28 | 対物レンズ駆動装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59124042A (US20100056889A1-20100304-C00004.png) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6257154A (ja) * | 1985-09-04 | 1987-03-12 | Otani Denki Kk | エンドレス再生装置 |
US5373496A (en) * | 1992-11-02 | 1994-12-13 | Matsushita Electric Industrial Co., Ltd. | Objective lens actuator having rodlike elastic members supporting U-shaped lens holder |
US6069867A (en) * | 1994-06-09 | 2000-05-30 | Olympus Optical Company, Ltd. | Apparatus for supporting optical system of optical information recording/reproducing apparatus and method of manufacturing the same |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5161724A (US20100056889A1-20100304-C00004.png) * | 1974-11-27 | 1976-05-28 | Nippon Musical Instruments Mfg |
-
1982
- 1982-12-28 JP JP23309682A patent/JPS59124042A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5161724A (US20100056889A1-20100304-C00004.png) * | 1974-11-27 | 1976-05-28 | Nippon Musical Instruments Mfg |
Also Published As
Publication number | Publication date |
---|---|
JPS59124042A (ja) | 1984-07-18 |