JPS61104223A - 超音波流速計 - Google Patents
超音波流速計Info
- Publication number
- JPS61104223A JPS61104223A JP59225158A JP22515884A JPS61104223A JP S61104223 A JPS61104223 A JP S61104223A JP 59225158 A JP59225158 A JP 59225158A JP 22515884 A JP22515884 A JP 22515884A JP S61104223 A JPS61104223 A JP S61104223A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- frequency
- output
- ultrasonic
- voltage controlled
- 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
- 230000010355 oscillation Effects 0.000 claims abstract description 67
- 238000001514 detection method Methods 0.000 claims abstract description 34
- 230000001360 synchronised effect Effects 0.000 claims abstract description 22
- 238000005259 measurement Methods 0.000 claims abstract description 20
- 239000012530 fluid Substances 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 abstract description 12
- 239000000203 mixture Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 24
- 101100345673 Xenopus laevis mix-b gene Proteins 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 101000964795 Homo sapiens Zinc finger protein 84 Proteins 0.000 description 2
- 102100040636 Zinc finger protein 84 Human genes 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 101000685663 Homo sapiens Sodium/nucleoside cotransporter 1 Proteins 0.000 description 1
- 102100023116 Sodium/nucleoside cotransporter 1 Human genes 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 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 |
|---|---|---|---|
| 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 true JPS61104223A (ja) | 1986-05-22 |
| JPH0374928B2 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 |
|---|---|
| JPH0374928B2 (enExample) | 1991-11-28 |
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