JPS62140882U - - Google Patents
Info
- Publication number
- JPS62140882U JPS62140882U JP2523486U JP2523486U JPS62140882U JP S62140882 U JPS62140882 U JP S62140882U JP 2523486 U JP2523486 U JP 2523486U JP 2523486 U JP2523486 U JP 2523486U JP S62140882 U JPS62140882 U JP S62140882U
- Authority
- JP
- Japan
- Prior art keywords
- rotor core
- thin film
- magnetoresistive element
- element chip
- holder
- 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
- 239000010409 thin film Substances 0.000 claims 4
- 239000000696 magnetic material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Brushless Motors (AREA)
Description
第１図は本考案の一実施例のセンサ部の斜視図
、第２図ａ，ｂは本考案の実施例の作用を示す説
明図、第３図は従来の磁気ドラム付ステツピング
モータの外観斜視図、第４図は従来のセンサ内蔵
ステツピングモータの概略斜視図である。
１……ＭＲセンサ、３……ホルダ、３ｂ……突
出部、４……回転子コア。
Fig. 1 is a perspective view of the sensor section of an embodiment of the present invention, Fig. 2 a and b are explanatory diagrams showing the operation of the embodiment of the present invention, and Fig. 3 is an external appearance of a conventional stepping motor with a magnetic drum. FIG. 4 is a schematic perspective view of a conventional stepping motor with a built-in sensor. 1...MR sensor, 3...Holder, 3b...Protrusion, 4...Rotor core.
Claims (1)
を有する磁性体より構成される回転子コアと、該
回転子コアとわずかな空隙を有して回転子コアの
外周に配置された薄膜磁気抵抗素子チツプを有す
るものにおいて、前記薄膜磁気抵抗素子チツプを
保持するホルダーの一部に、前記回転子コアの外
周と前記薄膜磁気抵抗素子との設定距離より小さ
く、かつ前記回転子コアに接触しない距離まで突
出した突出部を設けてなる薄膜磁気抵抗素子チツ
プ用ホルダ。 A rotor core composed of a magnetic material having a plurality of concave and convex magnetic pole teeth at a constant angular pitch on the outer circumference, and a thin film magnetic resistor arranged on the outer circumference of the rotor core with a slight air gap between the rotor core and the rotor core. In the device having an element chip, a part of the holder that holds the thin film magnetoresistive element chip is provided with a distance that is smaller than a set distance between the outer periphery of the rotor core and the thin film magnetoresistive element and does not contact the rotor core. A holder for a thin film magnetoresistive element chip, which is provided with a protruding part that protrudes up to a maximum of
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2523486U JPS62140882U (en) | 1986-02-24 | 1986-02-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2523486U JPS62140882U (en) | 1986-02-24 | 1986-02-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62140882U true JPS62140882U (en) | 1987-09-05 |
Family
ID=30825191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2523486U Pending JPS62140882U (en) | 1986-02-24 | 1986-02-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62140882U (en) |
-
1986
- 1986-02-24 JP JP2523486U patent/JPS62140882U/ja active Pending