JPS58133640A - 光学ピックアップ装置 - Google Patents
光学ピックアップ装置Info
- Publication number
- JPS58133640A JPS58133640A JP1376782A JP1376782A JPS58133640A JP S58133640 A JPS58133640 A JP S58133640A JP 1376782 A JP1376782 A JP 1376782A JP 1376782 A JP1376782 A JP 1376782A JP S58133640 A JPS58133640 A JP S58133640A
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- support member
- tracking control
- focus
- coil
- 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
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
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1376782A JPS58133640A (ja) | 1982-01-30 | 1982-01-30 | 光学ピックアップ装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1376782A JPS58133640A (ja) | 1982-01-30 | 1982-01-30 | 光学ピックアップ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58133640A true JPS58133640A (ja) | 1983-08-09 |
JPH0424769B2 JPH0424769B2 (US20100056889A1-20100304-C00004.png) | 1992-04-28 |
Family
ID=11842398
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1376782A Granted JPS58133640A (ja) | 1982-01-30 | 1982-01-30 | 光学ピックアップ装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58133640A (US20100056889A1-20100304-C00004.png) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6157049A (ja) * | 1984-08-28 | 1986-03-22 | Matsushita Electric Ind Co Ltd | 光ピツクアツプ |
JPS61269234A (ja) * | 1985-05-24 | 1986-11-28 | Omron Tateisi Electronics Co | 光情報処理装置 |
JPS62234242A (ja) * | 1986-02-28 | 1987-10-14 | Nec Home Electronics Ltd | 光学ヘツド装置 |
JPS639030A (ja) * | 1986-06-28 | 1988-01-14 | Nec Home Electronics Ltd | 光学系分離型光ヘツド装置 |
JPH03141040A (ja) * | 1990-06-13 | 1991-06-17 | Toshiba Corp | 対物レンズ駆動装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5494007A (en) * | 1978-01-05 | 1979-07-25 | Olympus Optical Co Ltd | Pickup for disc recorder recorded optically with information |
JPS55117745A (en) * | 1979-03-01 | 1980-09-10 | Mitsubishi Electric Corp | Disk reproducing device using optical stylus |
-
1982
- 1982-01-30 JP JP1376782A patent/JPS58133640A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5494007A (en) * | 1978-01-05 | 1979-07-25 | Olympus Optical Co Ltd | Pickup for disc recorder recorded optically with information |
JPS55117745A (en) * | 1979-03-01 | 1980-09-10 | Mitsubishi Electric Corp | Disk reproducing device using optical stylus |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6157049A (ja) * | 1984-08-28 | 1986-03-22 | Matsushita Electric Ind Co Ltd | 光ピツクアツプ |
JPS61269234A (ja) * | 1985-05-24 | 1986-11-28 | Omron Tateisi Electronics Co | 光情報処理装置 |
JPS62234242A (ja) * | 1986-02-28 | 1987-10-14 | Nec Home Electronics Ltd | 光学ヘツド装置 |
JPS639030A (ja) * | 1986-06-28 | 1988-01-14 | Nec Home Electronics Ltd | 光学系分離型光ヘツド装置 |
JPH03141040A (ja) * | 1990-06-13 | 1991-06-17 | Toshiba Corp | 対物レンズ駆動装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH0424769B2 (US20100056889A1-20100304-C00004.png) | 1992-04-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4449213A (en) | Optical reading apparatus | |
JPS5812144A (ja) | 対物レンズ駆動装置 | |
JPH03198229A (ja) | フォーカスサーボアクチュエータ | |
JPS58133640A (ja) | 光学ピックアップ装置 | |
JPS6220903Y2 (US20100056889A1-20100304-C00004.png) | ||
JPS58194151A (ja) | 光学ピツクアツプ装置 | |
JPS58175143A (ja) | 光学ピツクアツプ | |
JPS6022743A (ja) | 光学的に情報を記録したデイスク再生装置のピツクアツプ | |
JPH0917005A (ja) | 光ピックアップ | |
JPS624909Y2 (US20100056889A1-20100304-C00004.png) | ||
JPH09237428A (ja) | 二軸アクチュエータ及び光ディスク装置 | |
JPS5946053B2 (ja) | 情報読取装置における情報検出ヘツド | |
JPS6028037A (ja) | 光学的情報読取装置 | |
JP2563768B2 (ja) | 対物レンズ駆動装置 | |
JPS6120659Y2 (US20100056889A1-20100304-C00004.png) | ||
JPS6320729A (ja) | 光学的情報処理装置 | |
JPH0452817Y2 (US20100056889A1-20100304-C00004.png) | ||
JPH0685228B2 (ja) | ディスクプレーヤの光学ヘッド装置 | |
JPS61269238A (ja) | 光学的情報処理装置 | |
JPH0517614B2 (US20100056889A1-20100304-C00004.png) | ||
JPS6350926A (ja) | 対物レンズ駆動装置 | |
JPS6028038A (ja) | 光学的情報読取装置 | |
JPH01158625A (ja) | 光学式記録再生装置 | |
JPH09198679A (ja) | 二軸アクチュエータ及び光ディスク装置 | |
JPS63127439A (ja) | 光ピツクアツプ装置 |