JPS6340816U - - Google Patents
Info
- Publication number
- JPS6340816U JPS6340816U JP13500386U JP13500386U JPS6340816U JP S6340816 U JPS6340816 U JP S6340816U JP 13500386 U JP13500386 U JP 13500386U JP 13500386 U JP13500386 U JP 13500386U JP S6340816 U JPS6340816 U JP S6340816U
- Authority
- JP
- Japan
- Prior art keywords
- recording
- guide pipe
- recording surface
- objective lens
- reproducing device
- 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
- 230000003287 optical effect Effects 0.000 claims 3
- 239000000470 constituent Substances 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Description
第１図Ａは本考案の二軸アクチユエータの上面
図、同図ＢはそのＡ―Ａ断面図、第２図Ａは従来
の二軸アクチユエータの上面図、同図Ｂは可動部
の斜視図、同図Ｃは同図ＡのＡ―Ａ断面図、第３
図Ａはその他の実施例を示す断面図、同図Ｂはそ
の構成部品の斜視図、第４図はその他の実施例を
示す断面図である。
１……対物レンズ、２……対物レンズ保持体、
３……フオーカスコイル、４……トラツキングコ
イル、５……回路基板、６……ガイド軸、７……
ヨーク、８……磁石、９……バランサ、１２……
ガイドパイプ、１３……ブツシユ。
FIG. 1A is a top view of the two-axis actuator of the present invention, FIG. Figure C is a sectional view taken along line A-A in figure A, and the third
Figure A is a sectional view showing another embodiment, Figure B is a perspective view of its constituent parts, and Figure 4 is a sectional view showing another embodiment. 1...Objective lens, 2...Objective lens holder,
3... Focus coil, 4... Tracking coil, 5... Circuit board, 6... Guide shaft, 7...
Yoke, 8... Magnet, 9... Balancer, 12...
Guide pipe, 13...butsuyu.
Claims (1)
録媒体の記録面に所望の情報を記録する光学式情
報記録再生装置において、光源からの光を前記記
録面に光スポツトとして集光する対物レンズを光
軸方向と光軸の直交方向に移動する手段として、
対物レンズ保持体に固定されたガイドパイプと１
個のガイド軸により軸方向の摺動及びガイド軸回
りの回転による凝次的な運動により行なう二軸ア
クチユエータで、前記カイドパイプの両端付近の
穴径よりも、前記ガイドパイプ中央付近の穴径を
大きくしたことを特徴とする光学式情報記録再生
装置。 In an optical information recording/reproducing device that reads information on the recording surface of a recording medium or records desired information on the recording surface of a recording medium, an objective lens is used to focus light from a light source onto the recording surface as a light spot. As a means of moving in the direction perpendicular to the axial direction and the optical axis,
Guide pipe fixed to objective lens holder and 1
A two-axis actuator that performs condensed motion by axial sliding and rotation around the guide shaft by a guide shaft, and the hole diameter near the center of the guide pipe is larger than the hole diameter near both ends of the guide pipe. An optical information recording and reproducing device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13500386U JPS6340816U (en) | 1986-09-03 | 1986-09-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13500386U JPS6340816U (en) | 1986-09-03 | 1986-09-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6340816U true JPS6340816U (en) | 1988-03-17 |
Family
ID=31036772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13500386U Pending JPS6340816U (en) | 1986-09-03 | 1986-09-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6340816U (en) |
-
1986
- 1986-09-03 JP JP13500386U patent/JPS6340816U/ja active Pending
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