JPS58202829A - 超音波ドツプラ−流量計 - Google Patents
超音波ドツプラ−流量計Info
- Publication number
- JPS58202829A JPS58202829A JP57084824A JP8482482A JPS58202829A JP S58202829 A JPS58202829 A JP S58202829A JP 57084824 A JP57084824 A JP 57084824A JP 8482482 A JP8482482 A JP 8482482A JP S58202829 A JPS58202829 A JP S58202829A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- comparator
- input signal
- output
- receiving
- 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
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
- G01F1/663—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 by measuring Doppler frequency shift
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
- Manipulation Of Pulses (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57084824A JPS58202829A (ja) | 1982-05-21 | 1982-05-21 | 超音波ドツプラ−流量計 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57084824A JPS58202829A (ja) | 1982-05-21 | 1982-05-21 | 超音波ドツプラ−流量計 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58202829A true JPS58202829A (ja) | 1983-11-26 |
| JPH0421808B2 JPH0421808B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-04-14 |
Family
ID=13841496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57084824A Granted JPS58202829A (ja) | 1982-05-21 | 1982-05-21 | 超音波ドツプラ−流量計 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58202829A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
1982
- 1982-05-21 JP JP57084824A patent/JPS58202829A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0421808B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-04-14 |