JPS63139524U - - Google Patents
Info
- Publication number
- JPS63139524U JPS63139524U JP3219187U JP3219187U JPS63139524U JP S63139524 U JPS63139524 U JP S63139524U JP 3219187 U JP3219187 U JP 3219187U JP 3219187 U JP3219187 U JP 3219187U JP S63139524 U JPS63139524 U JP S63139524U
- Authority
- JP
- Japan
- Prior art keywords
- demodulating
- pass filter
- output
- rate limiting
- demodulating means
- 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
- 230000005284 excitation Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims 2
- 230000002194 synthesizing effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Measuring Volume Flow (AREA)
Description
第１図は本考案の１実施例を示すブロツク図、
第２図は第１図に示す実施例の各部の波形を示す
波形図、第３図は第１図に示すレートリミツト回
路の詳細を示す回路図。
１０…導管、１２…励磁コイル、１３…励磁回
路、１８…レートリミツト回路、１９…タイミン
グ回路、２０…ローパスフイルタ、２１…ハイパ
スフイルタ、２５，３０…ホールド回路、２６，
２８，２９…サンプル／ホールド回路。
FIG. 1 is a block diagram showing one embodiment of the present invention.
2 is a waveform diagram showing waveforms of various parts of the embodiment shown in FIG. 1, and FIG. 3 is a circuit diagram showing details of the rate limit circuit shown in FIG. 1. DESCRIPTION OF SYMBOLS 10... Conduit, 12... Excitation coil, 13... Excitation circuit, 18... Rate limit circuit, 19... Timing circuit, 20... Low pass filter, 21... High pass filter, 25, 30... Hold circuit, 26,
28, 29...Sample/hold circuit.
Claims (1)
の異なつた周波数を有する磁場を供給する励磁手
段と、この励磁手段により励磁され流量に対応し
て発生する信号電圧を前記第１周波数に基づいて
弁別して出力する第１復調手段と、この第１復調
手段の出力をレートリミツトするレートリミツト
手段と、このレートリミツト手段の出力を高域濾
波するハイパスフイルタと、前記信号電圧を前記
第２周波数に基づいて弁別して復調する第２復調
手段と、この第２復調手段の出力を低減濾波する
ローパスフイルタと、前記ハイパスフイルタと前
記ローパスフイルタとの各出力を加算的に合成す
る合成手段とを具備することを特徴とする電磁流
量計。 excitation means for supplying magnetic fields having two different frequencies, a first frequency and a lower second frequency; a first demodulating means for separately outputting the first demodulating means; a rate limiting means for rate limiting the output of the first demodulating means; a high pass filter for high pass filtering the output of the rate limiting means; It is characterized by comprising a second demodulating means for demodulating, a low-pass filter for reducing and filtering the output of the second demodulating means, and a synthesizing means for additively synthesizing each output of the high-pass filter and the low-pass filter. An electromagnetic flow meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3219187U JPH0541378Y2 (en) | 1987-03-05 | 1987-03-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3219187U JPH0541378Y2 (en) | 1987-03-05 | 1987-03-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63139524U true JPS63139524U (en) | 1988-09-14 |
| JPH0541378Y2 JPH0541378Y2 (en) | 1993-10-20 |
Family
ID=30838634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3219187U Expired - Lifetime JPH0541378Y2 (en) | 1987-03-05 | 1987-03-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0541378Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5266882B2 (en) * | 2008-05-29 | 2013-08-21 | 横河電機株式会社 | Electromagnetic flow meter |
-
1987
- 1987-03-05 JP JP3219187U patent/JPH0541378Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0541378Y2 (en) | 1993-10-20 |
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