JPS62107581U - - Google Patents
Info
- Publication number
- JPS62107581U JPS62107581U JP20195385U JP20195385U JPS62107581U JP S62107581 U JPS62107581 U JP S62107581U JP 20195385 U JP20195385 U JP 20195385U JP 20195385 U JP20195385 U JP 20195385U JP S62107581 U JPS62107581 U JP S62107581U
- Authority
- JP
- Japan
- Prior art keywords
- plate
- permanent magnet
- shaped permanent
- voice coil
- shaped
- 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
- 239000000696 magnetic material Substances 0.000 claims description 2
Description
第１図乃至第３図は本考案を実施したボイスコ
イルモータの永久磁石構造を例示する平面図、第
４図は本考案モータの推力変動量の分布を従来モ
ータの場合と比較して示したグラフ、第５図イ，
ロは従来モータの構造を示し、イは平面図、ロは
正面図、第６図は同じく従来モータの永久磁石構
造を示す平面図、第７図イ，ロに同じく従来モー
タの構造を示し、イは正面図、ロは縦断側面図で
ある。
図中、１：板状継鉄、２：板状永久磁石、３：
可動コイル、４：空隙、５：ヘツド、６：ヘツド
アーム、７：軸、８：継鉄支持部材、９：微小磁
性材（微小永久磁石）、１０：外側面。
Figures 1 to 3 are plan views illustrating the permanent magnet structure of the voice coil motor according to the present invention, and Figure 4 shows the distribution of thrust fluctuations in the motor according to the present invention in comparison with that of a conventional motor. Graph, Figure 5 A,
B shows the structure of a conventional motor, A is a plan view, B is a front view, FIG. 6 is a plan view showing the permanent magnet structure of the conventional motor, and FIGS. A is a front view, and B is a vertical side view. In the figure, 1: plate-shaped yoke, 2: plate-shaped permanent magnet, 3:
Moving coil, 4: air gap, 5: head, 6: head arm, 7: shaft, 8: yoke support member, 9: minute magnetic material (minute permanent magnet), 10: outer surface.
Claims (1)
一方の内面に、前記対向方向に磁化された板状永
久磁石を固着して、前記空隙内の可動コイルを前
記板状永久磁石に沿つて駆動するボイスコイルモ
ータにおいて、前記板状永久磁石の外側面のうち
、前記可動コイルの移動方向に対して直角方向の
少なくとも１つの外側面の中央部に磁界緩和用の
微小磁性体を配置したことを特徴とするボイスコ
イルモータ。 A plate-shaped permanent magnet magnetized in the opposing direction is fixed to the inner surface of both or one of plate-shaped yokes that are arranged facing each other with a gap therebetween, and a movable coil in the gap is guided along the plate-shaped permanent magnet. In the voice coil motor to be driven, a minute magnetic material for magnetic field relaxation is arranged in the center of at least one outer surface of the plate-shaped permanent magnet in a direction perpendicular to the moving direction of the movable coil. A voice coil motor featuring
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20195385U JPS62107581U (en) | 1985-12-24 | 1985-12-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20195385U JPS62107581U (en) | 1985-12-24 | 1985-12-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62107581U true JPS62107581U (en) | 1987-07-09 |
Family
ID=31165887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20195385U Pending JPS62107581U (en) | 1985-12-24 | 1985-12-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62107581U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5741607B2 (en) * | 1976-09-24 | 1982-09-03 | ||
| JPS58141471A (en) * | 1982-02-16 | 1983-08-22 | Nec Corp | Flat positioner for magnetic disc |
| JPS6043062A (en) * | 1983-08-18 | 1985-03-07 | Sankyo Seiki Mfg Co Ltd | Linear actuator |
-
1985
- 1985-12-24 JP JP20195385U patent/JPS62107581U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5741607B2 (en) * | 1976-09-24 | 1982-09-03 | ||
| JPS58141471A (en) * | 1982-02-16 | 1983-08-22 | Nec Corp | Flat positioner for magnetic disc |
| JPS6043062A (en) * | 1983-08-18 | 1985-03-07 | Sankyo Seiki Mfg Co Ltd | Linear actuator |