JPH0517618B2 - - Google Patents
Info
- Publication number
- JPH0517618B2 JPH0517618B2 JP29638385A JP29638385A JPH0517618B2 JP H0517618 B2 JPH0517618 B2 JP H0517618B2 JP 29638385 A JP29638385 A JP 29638385A JP 29638385 A JP29638385 A JP 29638385A JP H0517618 B2 JPH0517618 B2 JP H0517618B2
- Authority
- JP
- Japan
- Prior art keywords
- track
- lens holder
- axis
- control coil
- focus control
- 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
- 230000004907 flux Effects 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP29638385A JPS62154334A (ja) | 1985-12-27 | 1985-12-27 | 対物レンズ駆動装置 |
EP86117800A EP0228055B1 (fr) | 1985-12-27 | 1986-12-19 | Dispositif de commande pour objectif |
DE8686117800T DE3684124D1 (de) | 1985-12-27 | 1986-12-19 | Antriebsvorrichtung fuer ein objektiv. |
KR8611059A KR900008082B1 (en) | 1985-12-27 | 1986-12-22 | Operating apparatus for objective lens |
US06/945,089 US4792935A (en) | 1985-12-27 | 1986-12-22 | Objective lens driving device with multipole magnet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP29638385A JPS62154334A (ja) | 1985-12-27 | 1985-12-27 | 対物レンズ駆動装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62154334A JPS62154334A (ja) | 1987-07-09 |
JPH0517618B2 true JPH0517618B2 (fr) | 1993-03-09 |
Family
ID=17832834
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP29638385A Granted JPS62154334A (ja) | 1985-12-27 | 1985-12-27 | 対物レンズ駆動装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62154334A (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01298535A (ja) * | 1988-05-26 | 1989-12-01 | Nhk Spring Co Ltd | 光学ヘッド用アクチュエータ |
JPH0256737A (ja) * | 1988-08-23 | 1990-02-26 | Nhk Spring Co Ltd | 光学ヘッド用アクチュエータ |
-
1985
- 1985-12-27 JP JP29638385A patent/JPS62154334A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS62154334A (ja) | 1987-07-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |