JPH0439132B2 - - Google Patents
Info
- Publication number
- JPH0439132B2 JPH0439132B2 JP60185023A JP18502385A JPH0439132B2 JP H0439132 B2 JPH0439132 B2 JP H0439132B2 JP 60185023 A JP60185023 A JP 60185023A JP 18502385 A JP18502385 A JP 18502385A JP H0439132 B2 JPH0439132 B2 JP H0439132B2
- Authority
- JP
- Japan
- Prior art keywords
- coil
- lens
- axis direction
- tracking
- force
- 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
- 239000004020 conductor Substances 0.000 description 16
- 230000003287 optical effect Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
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
- G11B7/0935—Details of the moving parts
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18502385A JPS6182340A (ja) | 1985-08-24 | 1985-08-24 | ピツクアツプ装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18502385A JPS6182340A (ja) | 1985-08-24 | 1985-08-24 | ピツクアツプ装置 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2678A Division JPS5494007A (en) | 1978-01-05 | 1978-01-05 | Pickup for disc recorder recorded optically with information |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6182340A JPS6182340A (ja) | 1986-04-25 |
JPH0439132B2 true JPH0439132B2 (de) | 1992-06-26 |
Family
ID=16163424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18502385A Granted JPS6182340A (ja) | 1985-08-24 | 1985-08-24 | ピツクアツプ装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6182340A (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0452816Y2 (de) * | 1986-06-26 | 1992-12-11 | ||
JP2537397B2 (ja) * | 1989-03-30 | 1996-09-25 | 旭光学工業株式会社 | 光学式ピックアップ装置 |
AT392550B (de) * | 1989-07-26 | 1991-04-25 | Philips Nv | Spulenanordnung fuer einen optischen abtaster und verwendung einer solchen spulenanordnung in einem optischen abtaster |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51125813A (en) * | 1975-04-22 | 1976-11-02 | Fujitsu Ltd | Fine-angle rotation motor |
JPS52138903A (en) * | 1976-05-12 | 1977-11-19 | Philips Nv | Optical scanner |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5138326Y2 (de) * | 1972-06-30 | 1976-09-20 |
-
1985
- 1985-08-24 JP JP18502385A patent/JPS6182340A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51125813A (en) * | 1975-04-22 | 1976-11-02 | Fujitsu Ltd | Fine-angle rotation motor |
JPS52138903A (en) * | 1976-05-12 | 1977-11-19 | Philips Nv | Optical scanner |
Also Published As
Publication number | Publication date |
---|---|
JPS6182340A (ja) | 1986-04-25 |
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