JPH053530B2 - - Google Patents
Info
- Publication number
- JPH053530B2 JPH053530B2 JP59149026A JP14902684A JPH053530B2 JP H053530 B2 JPH053530 B2 JP H053530B2 JP 59149026 A JP59149026 A JP 59149026A JP 14902684 A JP14902684 A JP 14902684A JP H053530 B2 JPH053530 B2 JP H053530B2
- Authority
- JP
- Japan
- Prior art keywords
- value
- ultrasonic
- counter
- comparison voltage
- preset
- 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 - Lifetime
Links
- 238000004364 calculation method Methods 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000010355 oscillation Effects 0.000 description 11
- 238000001514 detection method Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
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 |
---|---|---|---|
JP14902684A JPS6128822A (ja) | 1984-07-18 | 1984-07-18 | 超音波流量計 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14902684A JPS6128822A (ja) | 1984-07-18 | 1984-07-18 | 超音波流量計 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6128822A JPS6128822A (ja) | 1986-02-08 |
JPH053530B2 true JPH053530B2 (en]) | 1993-01-18 |
Family
ID=15466042
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14902684A Granted JPS6128822A (ja) | 1984-07-18 | 1984-07-18 | 超音波流量計 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6128822A (en]) |
-
1984
- 1984-07-18 JP JP14902684A patent/JPS6128822A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6128822A (ja) | 1986-02-08 |
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