JPH0485214U - - Google Patents
Info
- Publication number
- JPH0485214U JPH0485214U JP12817790U JP12817790U JPH0485214U JP H0485214 U JPH0485214 U JP H0485214U JP 12817790 U JP12817790 U JP 12817790U JP 12817790 U JP12817790 U JP 12817790U JP H0485214 U JPH0485214 U JP H0485214U
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnet
- potentiometer
- magnetic sensor
- measured
- displaced
- 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.)
- Granted
Links
- 230000005291 magnetic effect Effects 0.000 claims description 10
- 239000003302 ferromagnetic material Substances 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims 2
- 230000005294 ferromagnetic effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
第１図は本考案の第１実施例を示す斜視図、第
２図は本考案の第２実施例を示す斜視図、第３図
は被測定物の回転角度と磁気センサとの間の距離
の関係を示すグラフ、第４図は被測定物の回転角
度と磁気センサの出力レベルとの関係を示すグラ
フ、第５図は従来の磁気式ポテンシヨメータの構
成を示す図、第６図は第５図に示す磁気式ポテン
シヨメータの出力特性を示すグラフである。
１……永久磁石、２……軸、３……磁気センサ
、４……強磁性体、５……永久磁石。
Fig. 1 is a perspective view showing the first embodiment of the present invention, Fig. 2 is a perspective view showing the second embodiment of the invention, and Fig. 3 is the distance between the rotation angle of the object to be measured and the magnetic sensor. FIG. 4 is a graph showing the relationship between the rotation angle of the object to be measured and the output level of the magnetic sensor. FIG. 5 is a diagram showing the configuration of a conventional magnetic potentiometer. FIG. 6 is a graph showing the output characteristics of the magnetic potentiometer shown in FIG. 5. 1...Permanent magnet, 2...Axis, 3...Magnetic sensor, 4...Ferromagnetic material, 5...Permanent magnet.
Claims (1)
磁気センサと、 を具備し、 前記永久磁石が、その変位方向に沿つて前記磁
気センサとの相互間隔を漸次変える形状に形成さ
れたことを特徴とするポテンシヨメータ。 (2) 被測定物と連動して変位する強磁性体と、 永久磁石と、 これらの間に介装され、これらの間に生じた磁
界の強さを検出する磁気センサと、 を具備し、 前記強磁性体が、その変位方向に沿つて前記永
久磁石との相互間隔を漸次変える形状に形成され
たことを特徴とするポテンシヨメータ。[Claims for Utility Model Registration] (1) A permanent magnet that is displaced in conjunction with an object to be measured, and a magnetic sensor that detects the strength of a magnetic field generated by the permanent magnet, the permanent magnet comprising: 1. A potentiometer, characterized in that the potentiometer is formed in a shape that gradually changes the distance between the potentiometer and the magnetic sensor along its displacement direction. (2) A ferromagnetic body that is displaced in conjunction with the object to be measured, a permanent magnet, and a magnetic sensor that is interposed between these and detects the strength of the magnetic field generated between them, A potentiometer, characterized in that the ferromagnetic material is formed in a shape that gradually changes the distance between the ferromagnetic material and the permanent magnet along the direction of displacement thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990128177U JP2517575Y2 (en) | 1990-11-30 | 1990-11-30 | Potentiometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990128177U JP2517575Y2 (en) | 1990-11-30 | 1990-11-30 | Potentiometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0485214U true JPH0485214U (en) | 1992-07-24 |
| JP2517575Y2 JP2517575Y2 (en) | 1996-11-20 |
Family
ID=31875648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990128177U Expired - Lifetime JP2517575Y2 (en) | 1990-11-30 | 1990-11-30 | Potentiometer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2517575Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022181922A (en) * | 2021-05-27 | 2022-12-08 | ミネベアミツミ株式会社 | Device, method, and program for detecting rotation |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4846654U (en) * | 1971-10-01 | 1973-06-19 | ||
| JPS62229002A (en) * | 1986-03-31 | 1987-10-07 | Matsushita Electric Ind Co Ltd | Position detector |
| JPS62288518A (en) * | 1986-06-07 | 1987-12-15 | Graphtec Corp | Non-contact displacement detector |
| JPH02131614U (en) * | 1988-12-26 | 1990-11-01 |
-
1990
- 1990-11-30 JP JP1990128177U patent/JP2517575Y2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4846654U (en) * | 1971-10-01 | 1973-06-19 | ||
| JPS62229002A (en) * | 1986-03-31 | 1987-10-07 | Matsushita Electric Ind Co Ltd | Position detector |
| JPS62288518A (en) * | 1986-06-07 | 1987-12-15 | Graphtec Corp | Non-contact displacement detector |
| JPH02131614U (en) * | 1988-12-26 | 1990-11-01 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022181922A (en) * | 2021-05-27 | 2022-12-08 | ミネベアミツミ株式会社 | Device, method, and program for detecting rotation |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2517575Y2 (en) | 1996-11-20 |