JPH0438517U - - Google Patents
Info
- Publication number
- JPH0438517U JPH0438517U JP7919990U JP7919990U JPH0438517U JP H0438517 U JPH0438517 U JP H0438517U JP 7919990 U JP7919990 U JP 7919990U JP 7919990 U JP7919990 U JP 7919990U JP H0438517 U JPH0438517 U JP H0438517U
- Authority
- JP
- Japan
- Prior art keywords
- magnetoresistive elements
- pair
- magnetic encoder
- magnetized body
- monostable multivibrator
- 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
- 230000005415 magnetization Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
第１図ないし第３図は本考案の実施例を表わす
もので、第１図は磁気エンコーダの回路構成図、
第２図は着磁体と磁気抵抗素子の配置図、第３図
は第１図の回路の中点電位ｖａの電位変化と出力
波形図、第４図は従来の磁気エンコーダの回路構
成図、第５図は従来の着磁体と磁気抵抗素子の配
置図、第６図は第４図に示した回路の各部の電位
変化と出力波形図である。
１……単安定マルチバイブレータ回路、２ａ，
２ｂ……トランジスタ、３ａ〜３ｄ……抵抗、４
ａ，４ｂ……コンデンサ、６……ダイオード、７
……着磁体、ｒ１，ｒ２……磁気抵抗素子（ＭＲ
素子）。
1 to 3 show an embodiment of the present invention, and FIG. 1 is a circuit diagram of a magnetic encoder;
Fig. 2 is a diagram of the arrangement of the magnetized body and the magnetoresistive element, Fig. 3 is a diagram of potential changes and output waveforms of the midpoint potential v a of the circuit of Fig. 1, and Fig. 4 is a circuit configuration diagram of a conventional magnetic encoder. FIG. 5 is a layout diagram of a conventional magnetized body and a magnetoresistive element, and FIG. 6 is a diagram showing potential changes and output waveforms at various parts of the circuit shown in FIG. 4. 1... Monostable multivibrator circuit, 2a,
2b...Transistor, 3a-3d...Resistor, 4
a, 4b... Capacitor, 6... Diode, 7
... Magnetized body, r 1 , r 2 ... Magnetoresistive element (MR
element).
Claims (1)
と、 これらの磁気抵抗素子間の中点電位をトリガパ
ルスとする単安定マルチバイブレータ回路 とを備えたことを特徴とする磁気エンコーダ。 ２ 一対の磁気抵抗素子の間隔をλ／４（λは着
磁ピツチ）としてなる請求項１記載の磁気エンコ
ーダ。[Claims for Utility Model Registration] 1. Features include a pair of magnetoresistive elements that detect the magnetic field of a magnetized body, and a monostable multivibrator circuit whose trigger pulse is the midpoint potential between these magnetoresistive elements. magnetic encoder. 2. The magnetic encoder according to claim 1, wherein the distance between the pair of magnetoresistive elements is λ/4 (λ is a magnetization pitch).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7919990U JPH0438517U (en) | 1990-07-27 | 1990-07-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7919990U JPH0438517U (en) | 1990-07-27 | 1990-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0438517U true JPH0438517U (en) | 1992-03-31 |
Family
ID=31623145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7919990U Pending JPH0438517U (en) | 1990-07-27 | 1990-07-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0438517U (en) |
-
1990
- 1990-07-27 JP JP7919990U patent/JPH0438517U/ja active Pending
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