JPS6277420U - - Google Patents
Info
- Publication number
- JPS6277420U JPS6277420U JP16813185U JP16813185U JPS6277420U JP S6277420 U JPS6277420 U JP S6277420U JP 16813185 U JP16813185 U JP 16813185U JP 16813185 U JP16813185 U JP 16813185U JP S6277420 U JPS6277420 U JP S6277420U
- Authority
- JP
- Japan
- Prior art keywords
- bobbin
- magnet
- dimensional actuator
- coil
- tracking
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Optical Recording Or Reproduction (AREA)
Description
第１図Ａは本考案の実施例、ＢとＣは動作説明
図、第２図と第３図は他の実施例、第４図はダン
パによりセンタリングを行う２次元アクチユエー
タ、第５図Ａはコイルの詳細図、Ｂはコイルとマ
グネツトとの位置関係を示す図である。
２…ヨーク、３…マグネツト、４…センターポ
ール、５…対物レンズ、７…ボビン、８…レンズ
アーム、９…フオーカシングコイル、１０…トラ
ツキングコイル。
Fig. 1A is an embodiment of the present invention, B and C are explanatory diagrams of operation, Figs. 2 and 3 are other embodiments, Fig. 4 is a two-dimensional actuator that performs centering by a damper, and Fig. 5A is A detailed view of the coil, B is a diagram showing the positional relationship between the coil and the magnet. 2... Yoke, 3... Magnet, 4... Center pole, 5... Objective lens, 7... Bobbin, 8... Lens arm, 9... Focusing coil, 10... Tracking coil.
Claims (1)
る磁気回路 ｂ フオーカシングコイルと少くとも第１と第２
のトラツキングコイルを捲回したボビン ｃ 前記ボビンと対物レンズとが取付けられたレ
ンズアーム 以上の各項目を具備した２次元アクチユエータ
において 前記第１と第２のトラツキングコイルに作用す
る力が互いに前記ボビンを逆方向に回動するよう
にセンタリング電流を供給することを特徴とする
２次元アクチユエータ。[Claims for Utility Model Registration] a. A magnetic circuit consisting of a yoke, a center pole, and a magnet. b. A focusing coil and at least a first and a second magnet.
a bobbin c wound with a tracking coil; a lens arm to which the bobbin and an objective lens are attached; and a two-dimensional actuator equipped with each of the above items, in which the forces acting on the first and second tracking coils are mutually equal to each other. A two-dimensional actuator characterized by supplying a centering current to rotate a bobbin in the opposite direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16813185U JPS6277420U (en) | 1985-10-30 | 1985-10-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16813185U JPS6277420U (en) | 1985-10-30 | 1985-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6277420U true JPS6277420U (en) | 1987-05-18 |
Family
ID=31100723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16813185U Pending JPS6277420U (en) | 1985-10-30 | 1985-10-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6277420U (en) |
-
1985
- 1985-10-30 JP JP16813185U patent/JPS6277420U/ja active Pending
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