JPS62175423U - - Google Patents
Info
- Publication number
- JPS62175423U JPS62175423U JP6436786U JP6436786U JPS62175423U JP S62175423 U JPS62175423 U JP S62175423U JP 6436786 U JP6436786 U JP 6436786U JP 6436786 U JP6436786 U JP 6436786U JP S62175423 U JPS62175423 U JP S62175423U
- Authority
- JP
- Japan
- Prior art keywords
- recording surface
- information
- recording
- yoke
- optical axis
- 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 4
- 239000002184 metal Substances 0.000 claims 1
- 238000010586 diagram Methods 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はその磁気回路の斜視図、同図Ｃは磁
気回路を説明するための説明図、第２図Ａは従来
の二軸アクチユエータの上面図、同図Ｂはその磁
気回路、第３図Ａ〜Ｅはヨークと磁石との組合わ
せを示す斜視図、第４図Ａ，Ｂはヨークの形状を
示す斜視図である。
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…トラツクコイル、６…ガ
イド軸、７…ヨーク、８…磁石、１４…取付台。
Figure 1A is a top view of the two-axis actuator of the present invention, Figure B is a perspective view of its magnetic circuit, Figure C is an explanatory diagram for explaining the magnetic circuit, and Figure 2A is a conventional two-axis actuator. 3A to 3E are perspective views showing the combination of a yoke and a magnet, and FIGS. 4A and 4B are perspective views showing the shape of the yoke. 1... Objective lens, 2... Objective lens holder, 3...
Focus coil, 4... Track coil, 6... Guide shaft, 7... Yoke, 8... Magnet, 14... Mounting base.
Claims (1)
録媒体の記録面に所望の情報を記録する光学式情
報記録再生装置で、 磁石とヨークからなる磁気回路により、光源か
らの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二
軸アクチユエータにおいて、 前記ヨークを板金により塑性加工により形成し
たことを特徴とする光学式情報記録再生装置。[Claims for Utility Model Registration] An optical information recording and 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, which uses a magnetic circuit consisting of a magnet and a yoke to read information from a light source. A biaxial actuator for moving an objective lens that focuses light as a light spot on the recording surface of the optical information recording surface in an optical axis direction and a direction orthogonal to the optical axis, wherein the yoke is formed of sheet metal by plastic working. playback device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6436786U JPS62175423U (en) | 1986-04-28 | 1986-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6436786U JPS62175423U (en) | 1986-04-28 | 1986-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62175423U true JPS62175423U (en) | 1987-11-07 |
Family
ID=30900458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6436786U Pending JPS62175423U (en) | 1986-04-28 | 1986-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62175423U (en) |
-
1986
- 1986-04-28 JP JP6436786U patent/JPS62175423U/ja active Pending
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