JPS6363707U - - Google Patents
Info
- Publication number
- JPS6363707U JPS6363707U JP15792886U JP15792886U JPS6363707U JP S6363707 U JPS6363707 U JP S6363707U JP 15792886 U JP15792886 U JP 15792886U JP 15792886 U JP15792886 U JP 15792886U JP S6363707 U JPS6363707 U JP S6363707U
- Authority
- JP
- Japan
- Prior art keywords
- magnetostrictive
- positive
- comparator
- detection
- output
- 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
- 238000001514 detection method Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000005284 excitation Effects 0.000 description 1
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
第１図は本考案に係る反射型磁歪ポテンシヨメ
ータの位置検出回路の一実施例の接続図、第２図
及び第３図は第１図の動作を説明する為のタイム
チヤート、第３図は第１図の動作を説明する為の
図、第４図は反射型磁歪ポテンシヨメータの動作
原理を説明する為の図、第５図は第４図の動作を
説明する為の波形図、第６図は従来の位置検出回
路の接続図、第７図は第６図のタイムチヤートで
ある。
１……磁歪線、２１……励磁コイル、２２……
検出コイル、ＣＯＭＰ，ＣＯＭＰ２……比較器、
ＦＦ１〜ＦＦ３……フリツプ・フロツプ、ＯＰ…
…演算回路、ＰＨ１，ＰＨ２……ピークホルダー
、ＳＨ１，ＳＨ２……サンプルホルダー。
Fig. 1 is a connection diagram of an embodiment of the position detection circuit of a reflective magnetostrictive potentiometer according to the present invention, Figs. 2 and 3 are time charts for explaining the operation of Fig. 1, and Fig. 3 is a diagram for explaining the operation of FIG. 1, FIG. 4 is a diagram for explaining the principle of operation of a reflective magnetostrictive potentiometer, and FIG. 5 is a waveform diagram for explaining the operation of FIG. 4. FIG. 6 is a connection diagram of a conventional position detection circuit, and FIG. 7 is a time chart of FIG. 6. 1... Magnetostrictive wire, 21... Excitation coil, 22...
Detection coil, COMP, COMP2... comparator,
FF1~FF3...Flip Flop, OP...
...Arithmetic circuit, PH1, PH2...Peak holder, SH1, SH2...Sample holder.
Claims (1)
し磁歪線に移動可能なように配置された検出コイ
ルからの磁歪波検出信号が与えられる第１、第２
の比較器の出力により前記検出コイルの位置に対
応した信号を得るようにした装置において、 前記磁歪波の正、負のピーク値を検出する手段
、及び検出した正、負のピーク値をホールドする
ホールド手段を設け、このホールド手段の出力を
前記比較器の正、負のスレツシヨールド・レベル
として用いるように構成したことを特徴とする反
射型磁歪ポテンシヨメータの位置検出回路。[Claims for Utility Model Registration] First and second coils each having separate positive and negative threshold levels and receiving magnetostrictive wave detection signals from detection coils movably disposed along the magnetostrictive wire.
A device for obtaining a signal corresponding to the position of the detection coil from the output of a comparator, comprising means for detecting positive and negative peak values of the magnetostrictive wave, and holding the detected positive and negative peak values. 1. A position detection circuit for a reflective magnetostrictive potentiometer, characterized in that a hold means is provided, and the output of the hold means is used as positive and negative threshold levels of the comparator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15792886U JPH0431537Y2 (en) | 1986-10-15 | 1986-10-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15792886U JPH0431537Y2 (en) | 1986-10-15 | 1986-10-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6363707U true JPS6363707U (en) | 1988-04-27 |
| JPH0431537Y2 JPH0431537Y2 (en) | 1992-07-29 |
Family
ID=31080933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15792886U Expired JPH0431537Y2 (en) | 1986-10-15 | 1986-10-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0431537Y2 (en) |
-
1986
- 1986-10-15 JP JP15792886U patent/JPH0431537Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0431537Y2 (en) | 1992-07-29 |
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