JPH0185675U - - Google Patents
Info
- Publication number
- JPH0185675U JPH0185675U JP18130987U JP18130987U JPH0185675U JP H0185675 U JPH0185675 U JP H0185675U JP 18130987 U JP18130987 U JP 18130987U JP 18130987 U JP18130987 U JP 18130987U JP H0185675 U JPH0185675 U JP H0185675U
- Authority
- JP
- Japan
- Prior art keywords
- waveform
- cosine
- sine
- coils
- rotation
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Description
第１図は本考案の一実施例を示すブロツク図、
第２図Ａ，Ｂ，Ｃは高速時のグラフ、第３図Ａ，
Ｂ，Ｃは低速時のグラフ、第４図は他の実施例を
示す要部のブロツク図である。
１，２……コイル、６……回転体（回転センサ
）、１５……信号処理回路。
FIG. 1 is a block diagram showing an embodiment of the present invention.
Figure 2 A, B, and C are graphs at high speed; Figure 3 A,
B and C are graphs at low speeds, and FIG. 4 is a block diagram of main parts showing another embodiment. 1, 2... Coil, 6... Rotating body (rotation sensor), 15... Signal processing circuit.
Claims (1)
された一対のコイルと、被測定量の回転変化に対
応してサイン波及びコサイン波の特性で変化する
２種類の交流波形を出力する回転センサと、前記
一方の交流波形の基準電圧を検出してから一定時
間後の前記サイン交流波形とコサイン交流波形の
出力信号を前記コイルに各々供給する信号処理回
路とを備えたことを特徴とする可動磁石型計器の
駆動回路。 A pair of coils arranged to intersect with each other at a certain angle, and a rotation sensor that outputs two types of alternating current waveforms that change with sine wave and cosine wave characteristics in response to changes in the rotation of the measured quantity. , a signal processing circuit that supplies output signals of the sine AC waveform and the cosine AC waveform to the coils after a certain period of time after detecting the reference voltage of the one AC waveform. Type instrument drive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18130987U JPH0185675U (en) | 1987-11-28 | 1987-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18130987U JPH0185675U (en) | 1987-11-28 | 1987-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0185675U true JPH0185675U (en) | 1989-06-07 |
Family
ID=31472795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18130987U Pending JPH0185675U (en) | 1987-11-28 | 1987-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0185675U (en) |
-
1987
- 1987-11-28 JP JP18130987U patent/JPH0185675U/ja active Pending
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