JPS58105038U - Objective lens 3-axis drive device - Google Patents
Objective lens 3-axis drive deviceInfo
- Publication number
- JPS58105038U JPS58105038U JP151482U JP151482U JPS58105038U JP S58105038 U JPS58105038 U JP S58105038U JP 151482 U JP151482 U JP 151482U JP 151482 U JP151482 U JP 151482U JP S58105038 U JPS58105038 U JP S58105038U
- Authority
- JP
- Japan
- Prior art keywords
- bobbin
- objective lens
- path forming
- control coil
- magnetic path
- 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.)
- Pending
Links
Landscapes
- Optical Recording Or Reproduction (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案に係る対物レンズ３軸駆動装置の一例を
示す上面図、第２図は第１図の■−■線における断面図
、第３図は第１図の■−■線における断面図である。
図中、１は対物レンズ部、３はコイルボビン、４はフォ
ーカス制御コイル、５．５’及び６．６′はトラッキン
グ制御コイル、７． ７’及び８゜′８′はタイムベー
ス制御コイル、１０は可動部、１１．１３は係止部、１
２は弾性部材、１４は弾性支持部、２０−は磁路形成部
、２１はポールピース、２２は磁極部、２３〜２６は永
久磁石である。FIG. 1 is a top view showing an example of the objective lens three-axis drive device according to the present invention, FIG. 2 is a sectional view taken along the line ■-■ in FIG. 1, and FIG. 3 is a cross-sectional view taken along the line ■-■ in FIG. FIG. In the figure, 1 is an objective lens section, 3 is a coil bobbin, 4 is a focus control coil, 5.5' and 6.6' are tracking control coils, and 7. 7' and 8°'8' are time base control coils, 10 is a movable part, 11.13 is a locking part, 1
2 is an elastic member, 14 is an elastic support part, 20- is a magnetic path forming part, 21 is a pole piece, 22 is a magnetic pole part, and 23 to 26 are permanent magnets.
Claims (1)
コイルが巻装されると共に、上記ボビンの対向周面部上
にトラッキング制御コイル及びタイムベース制御コイル
が配されて形成された可動部と、上記ボビンの内側に配
されたポールピースへ該ポールピースに対向して上記ボ
ビンの外側に配された複数の磁極部とを有した磁路形成
部と、夫々の一端が該磁路形成部に係止されると共に他
端が上記可動部に係止された、複数の弾性部材で形成さ
れた弾性支持部とを備えて成る対物レンズ３軸駆動装置
。A movable part is formed by winding a focus control coil around the circumferential surface of a bobbin to which an objective lens is fixed, and a tracking control coil and a time base control coil are arranged on the opposing circumferential surface of the bobbin; a magnetic path forming portion having a plurality of magnetic pole portions placed on the outside of the bobbin facing the pole piece arranged inside the bobbin, and one end of each of the magnetic path forming portions is locked to the magnetic path forming portion and an elastic support section formed of a plurality of elastic members, the other end of which is fixed to the movable section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP151482U JPS58105038U (en) | 1982-01-09 | 1982-01-09 | Objective lens 3-axis drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP151482U JPS58105038U (en) | 1982-01-09 | 1982-01-09 | Objective lens 3-axis drive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58105038U true JPS58105038U (en) | 1983-07-16 |
Family
ID=30014523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP151482U Pending JPS58105038U (en) | 1982-01-09 | 1982-01-09 | Objective lens 3-axis drive device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58105038U (en) |
-
1982
- 1982-01-09 JP JP151482U patent/JPS58105038U/en active Pending
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