JPH0259405B2 - - Google Patents
Info
- Publication number
- JPH0259405B2 JPH0259405B2 JP57020610A JP2061082A JPH0259405B2 JP H0259405 B2 JPH0259405 B2 JP H0259405B2 JP 57020610 A JP57020610 A JP 57020610A JP 2061082 A JP2061082 A JP 2061082A JP H0259405 B2 JPH0259405 B2 JP H0259405B2
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic
- propagation time
- fluid
- output
- fluid flow
- 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
- 239000012530 fluid Substances 0.000 claims description 54
- 230000003321 amplification Effects 0.000 claims description 14
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 14
- 230000001902 propagating effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000002604 ultrasonography Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000000126 substance Substances 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
- G01F1/668—Compensating or correcting for variations in velocity of sound
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 |
---|---|---|---|
JP57020610A JPS58137714A (ja) | 1982-02-10 | 1982-02-10 | 超音波流量計 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57020610A JPS58137714A (ja) | 1982-02-10 | 1982-02-10 | 超音波流量計 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58137714A JPS58137714A (ja) | 1983-08-16 |
JPH0259405B2 true JPH0259405B2 (enrdf_load_stackoverflow) | 1990-12-12 |
Family
ID=12032027
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57020610A Granted JPS58137714A (ja) | 1982-02-10 | 1982-02-10 | 超音波流量計 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58137714A (enrdf_load_stackoverflow) |
-
1982
- 1982-02-10 JP JP57020610A patent/JPS58137714A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS58137714A (ja) | 1983-08-16 |