JPS5947815U - position detection device - Google Patents
position detection deviceInfo
- Publication number
- JPS5947815U JPS5947815U JP11344083U JP11344083U JPS5947815U JP S5947815 U JPS5947815 U JP S5947815U JP 11344083 U JP11344083 U JP 11344083U JP 11344083 U JP11344083 U JP 11344083U JP S5947815 U JPS5947815 U JP S5947815U
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnet
- magnetic
- detection device
- position detection
- change element
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来装置を示す要部縦断面図、第２図は本考案
装置の一実施例を示す周部縦断面図、第３図Ａ、 Ｂは
本考案装置の原理構成図およびその磁束波形図、第４図
は第２図図示装置における電気回路図、第５図は第４図
図示回路の動作説明に供する各部波形図、第６図および
第７図は本考案装置における被検出体の他の実施例をそ
れぞれ示す斜視図である。
４・・・被検出体としての回転円板、４ａ・・・凹部、
５・・・永久磁石、１０・・・センサ、１１・・・磁気
変化素子としての磁気抵抗素子。Fig. 1 is a vertical sectional view of the main part showing a conventional device, Fig. 2 is a longitudinal sectional view of the peripheral part showing an embodiment of the device of the present invention, and Fig. 3 A and B are diagrams of the principle configuration of the device of the present invention and its magnetic flux. 4 is an electric circuit diagram of the device shown in FIG. 2, FIG. 5 is a waveform diagram of various parts to explain the operation of the circuit shown in FIG. FIG. 3 is a perspective view showing other embodiments of the invention. 4... Rotating disk as a detected object, 4a... Recessed part,
5... Permanent magnet, 10... Sensor, 11... Magnetoresistive element as a magnetic change element.
Claims (1)
る被検出体と、円筒状ハウジング内に同心的に内蔵され
た、中空円筒状の軸方向に着磁した１個の永久磁石およ
びこの永久磁石の中心軸上の零磁束付近に配設されて前
記ｌ＼ウジングの開口端側端面に固着保持された磁気変
化素子を有し、この磁気変化素子の前記永久磁石と反対
側の面を前記磁性体と対向させて前記凹部を検出するセ
ンサとを備えることを特徴とする位置検出装置。The object to be detected is made of a magnetic material with a recess provided at the reference position, one hollow cylindrical axially magnetized permanent magnet built concentrically within the cylindrical housing, and this permanent magnet. It has a magnetic change element disposed near zero magnetic flux on the central axis of the magnet and fixedly held on the open end side end surface of the housing, and the surface of the magnetic change element opposite to the permanent magnet is A position detection device comprising: a sensor that detects the recess while facing a magnetic body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11344083U JPS5947815U (en) | 1983-07-20 | 1983-07-20 | position detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11344083U JPS5947815U (en) | 1983-07-20 | 1983-07-20 | position detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5947815U true JPS5947815U (en) | 1984-03-30 |
Family
ID=30262604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11344083U Pending JPS5947815U (en) | 1983-07-20 | 1983-07-20 | position detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5947815U (en) |
-
1983
- 1983-07-20 JP JP11344083U patent/JPS5947815U/en active Pending
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