JPH0349136B2 - - Google Patents
Info
- Publication number
- JPH0349136B2 JPH0349136B2 JP58062437A JP6243783A JPH0349136B2 JP H0349136 B2 JPH0349136 B2 JP H0349136B2 JP 58062437 A JP58062437 A JP 58062437A JP 6243783 A JP6243783 A JP 6243783A JP H0349136 B2 JPH0349136 B2 JP H0349136B2
- Authority
- JP
- Japan
- Prior art keywords
- movable part
- objective lens
- ring
- shaped
- casing
- 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 17
- 239000002184 metal Substances 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 2
- 239000005060 rubber Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 7
- 229920003051 synthetic elastomer Polymers 0.000 description 7
- 239000005061 synthetic rubber Substances 0.000 description 7
- 238000013016 damping Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 1
- 238000000465 moulding 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
- Automatic Focus Adjustment (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6243783A JPS59188848A (ja) | 1983-04-08 | 1983-04-08 | 光ピツクアツプ装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6243783A JPS59188848A (ja) | 1983-04-08 | 1983-04-08 | 光ピツクアツプ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59188848A JPS59188848A (ja) | 1984-10-26 |
JPH0349136B2 true JPH0349136B2 (fr) | 1991-07-26 |
Family
ID=13200165
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6243783A Granted JPS59188848A (ja) | 1983-04-08 | 1983-04-08 | 光ピツクアツプ装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59188848A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63181107U (fr) * | 1987-05-12 | 1988-11-22 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58158047A (ja) * | 1982-03-15 | 1983-09-20 | Matsushita Electric Ind Co Ltd | 光学情報再生ヘツド |
-
1983
- 1983-04-08 JP JP6243783A patent/JPS59188848A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58158047A (ja) * | 1982-03-15 | 1983-09-20 | Matsushita Electric Ind Co Ltd | 光学情報再生ヘツド |
Also Published As
Publication number | Publication date |
---|---|
JPS59188848A (ja) | 1984-10-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4616355A (en) | Optical head device | |
US4472024A (en) | Apparatus for driving objective lens | |
JPH01235040A (ja) | 光情報記録再生装置の対物レンズ支持装置 | |
JPS6118812B2 (fr) | ||
JPS58182141A (ja) | 光学式ディスク再生装置の対物レンズ保持装置 | |
JPH0521701Y2 (fr) | ||
JPS58182140A (ja) | 対物レンズ駆動装置 | |
JPH0349136B2 (fr) | ||
JPS5968838A (ja) | 光学式デイスクプレ−ヤの対物レンズ駆動装置 | |
JPH05128559A (ja) | 対物レンズ駆動装置 | |
JPS5812145A (ja) | 対物レンズ駆動装置 | |
JPH0430646B2 (fr) | ||
JPS6185639A (ja) | 光学ヘツド装置 | |
JPS6076039A (ja) | 対物レンズ駆動装置 | |
JPH0739058Y2 (ja) | 光学式情報記録再生装置におけるピックアップ装置 | |
JP2503403Y2 (ja) | 光学式情報記録再生装置におけるピツクアツプ装置 | |
JPS60263348A (ja) | 対物レンズ駆動装置 | |
JP2542635B2 (ja) | 光ヘッド | |
JPH045058Y2 (fr) | ||
JPH08180440A (ja) | 二軸アクチュエータ | |
JPS58182139A (ja) | 対物レンズ駆動装置 | |
JPH03104026A (ja) | 光学ヘッド用アクチュエータ | |
JPH0150977B2 (fr) | ||
JPS59107725U (ja) | 光学式ピツクアツプ | |
JPH0226297B2 (fr) |