JPH0185676U - - Google Patents
Info
- Publication number
- JPH0185676U JPH0185676U JP18131087U JP18131087U JPH0185676U JP H0185676 U JPH0185676 U JP H0185676U JP 18131087 U JP18131087 U JP 18131087U JP 18131087 U JP18131087 U JP 18131087U JP H0185676 U JPH0185676 U JP H0185676U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- outputs
- coils
- alternating
- sensor
- 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
- 238000010586 diagram Methods 0.000 description 5
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Indicating Measured Values (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
第１図は本考案の第１実施例を示すブロツク図
、第２図Ａは要部の波形図、同図Ｂ，Ｃは指針の
振れを示すグラフ、第３図は第２実施例を示す要
部の回路図、第４図は第３実施例を示すブロツク
図、第５図は要部の波形図、第６図は第４実施例
を示す要部の回路図である。
１，２……コイル、６……センサ、７……発振
回路、１０……トリガ発生部、１７……信号処理
回路。
Fig. 1 is a block diagram showing the first embodiment of the present invention, Fig. 2 A is a waveform diagram of the main part, B and C are graphs showing the deflection of the pointer, and Fig. 3 shows the second embodiment. FIG. 4 is a block diagram showing the third embodiment, FIG. 5 is a waveform diagram of the main part, and FIG. 6 is a circuit diagram of the main part showing the fourth embodiment. 1, 2... Coil, 6... Sensor, 7... Oscillation circuit, 10... Trigger generation section, 17... Signal processing circuit.
Claims (1)
された一対のコイルと、被測定量に応じて周波数
が変化する信号を出力するセンサと、一定の周期
を有しサイン波又はコサイン波等の特性により変
化する交流電圧を出力する発振回路と、この交流
電圧の基準電圧検出後、前記信号の周波数に対応
する時間が経過したときにトリガ信号を出力する
トリガ発生部と、このトリガ信号の出力に基づい
て前記交流電圧における互いに９０度の位相差を
有する２点の電圧を前記コイルへ各々供給する信
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 each other at a certain angle, a sensor that outputs a signal whose frequency changes depending on the measured quantity, and a characteristic such as a sine wave or cosine wave with a certain period. an oscillator circuit that outputs an alternating voltage that changes according to and a signal processing circuit that supplies voltages at two points having a phase difference of 90 degrees from each other in the alternating current voltage to the coils based on the AC voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18131087U JPH0355105Y2 (en) | 1987-11-28 | 1987-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18131087U JPH0355105Y2 (en) | 1987-11-28 | 1987-11-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0185676U true JPH0185676U (en) | 1989-06-07 |
| JPH0355105Y2 JPH0355105Y2 (en) | 1991-12-06 |
Family
ID=31472796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18131087U Expired JPH0355105Y2 (en) | 1987-11-28 | 1987-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0355105Y2 (en) |
-
1987
- 1987-11-28 JP JP18131087U patent/JPH0355105Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0355105Y2 (en) | 1991-12-06 |
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