JPH0374928B2 - - Google Patents
Info
- Publication number
- JPH0374928B2 JPH0374928B2 JP59225158A JP22515884A JPH0374928B2 JP H0374928 B2 JPH0374928 B2 JP H0374928B2 JP 59225158 A JP59225158 A JP 59225158A JP 22515884 A JP22515884 A JP 22515884A JP H0374928 B2 JPH0374928 B2 JP H0374928B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- frequency
- output
- ultrasonic
- flow velocity
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59225158A JPS61104223A (ja) | 1984-10-26 | 1984-10-26 | 超音波流速計 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59225158A JPS61104223A (ja) | 1984-10-26 | 1984-10-26 | 超音波流速計 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61104223A JPS61104223A (ja) | 1986-05-22 |
| JPH0374928B2 true JPH0374928B2 (enExample) | 1991-11-28 |
Family
ID=16824848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59225158A Granted JPS61104223A (ja) | 1984-10-26 | 1984-10-26 | 超音波流速計 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61104223A (enExample) |
-
1984
- 1984-10-26 JP JP59225158A patent/JPS61104223A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61104223A (ja) | 1986-05-22 |
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