JPS58222448A - 光デイスク用アクチユエ−タ - Google Patents
光デイスク用アクチユエ−タInfo
- Publication number
- JPS58222448A JPS58222448A JP10377082A JP10377082A JPS58222448A JP S58222448 A JPS58222448 A JP S58222448A JP 10377082 A JP10377082 A JP 10377082A JP 10377082 A JP10377082 A JP 10377082A JP S58222448 A JPS58222448 A JP S58222448A
- Authority
- JP
- Japan
- Prior art keywords
- lens
- optical disk
- ring part
- piezoelectric element
- actuator
- 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 16
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000005520 electrodynamics Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000003190 viscoelastic substance 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
- 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
- G11B7/0937—Piezoelectric actuators
Landscapes
- Automatic Focus Adjustment (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10377082A JPS58222448A (ja) | 1982-06-18 | 1982-06-18 | 光デイスク用アクチユエ−タ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10377082A JPS58222448A (ja) | 1982-06-18 | 1982-06-18 | 光デイスク用アクチユエ−タ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58222448A true JPS58222448A (ja) | 1983-12-24 |
| JPH0150013B2 JPH0150013B2 (enrdf_load_stackoverflow) | 1989-10-26 |
Family
ID=14362693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10377082A Granted JPS58222448A (ja) | 1982-06-18 | 1982-06-18 | 光デイスク用アクチユエ−タ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58222448A (enrdf_load_stackoverflow) |
-
1982
- 1982-06-18 JP JP10377082A patent/JPS58222448A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0150013B2 (enrdf_load_stackoverflow) | 1989-10-26 |
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