JPS50109762A - - Google Patents
Info
- Publication number
- JPS50109762A JPS50109762A JP50013252A JP1325275A JPS50109762A JP S50109762 A JPS50109762 A JP S50109762A JP 50013252 A JP50013252 A JP 50013252A JP 1325275 A JP1325275 A JP 1325275A JP S50109762 A JPS50109762 A JP S50109762A
- Authority
- JP
- Japan
- 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
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- 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
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/24—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
- G01P5/245—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by measuring transit time of acoustical waves
- G01P5/247—Sing-around-systems
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Aviation & Aerospace Engineering (AREA)
- Measuring Volume Flow (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Manipulation Of Pulses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB466574A GB1495389A (en) | 1974-01-31 | 1974-01-31 | Apparatus for providing time reference signals |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50109762A true JPS50109762A (it) | 1975-08-29 |
| JPS5855441B2 JPS5855441B2 (ja) | 1983-12-09 |
Family
ID=9781479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50013252A Expired JPS5855441B2 (ja) | 1974-01-31 | 1975-01-31 | ジカンキジユンシンゴウキヨウキユウソウチ |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5855441B2 (it) |
| DE (1) | DE2503538C2 (it) |
| FR (1) | FR2260229B1 (it) |
| GB (1) | GB1495389A (it) |
| NL (1) | NL7501196A (it) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51101568A (en) * | 1975-03-05 | 1976-09-08 | Fuji Electric Co Ltd | Shingokanshikairo |
| JPS554529A (en) * | 1978-06-27 | 1980-01-14 | Toshiba Corp | Ultrasonic current meter |
| JP2020056801A (ja) * | 2020-01-10 | 2020-04-09 | 中国電力株式会社 | 計測診断装置、及び計測診断方法 |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4176286A (en) * | 1978-03-08 | 1979-11-27 | Bei Electronics, Inc. | Signal translator with squelch |
| DE3411485A1 (de) | 1984-03-28 | 1985-10-03 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur erfassung der grenzen von signalen, die vor einem hintergrundsignalgemisch auftreten |
| GB2200753B (en) * | 1986-12-23 | 1991-01-23 | Brookes & Gatehouse | Speed measurement device |
| DE102013019311A1 (de) * | 2013-11-07 | 2015-05-07 | eonas IT-Beratung und Entwicklung GmbH | Ultraschallmessung der Strömungsgeschwindigkeit von Flüssigkeiten und Gasen unterweitgehender Kompensation von Jitter und Offset |
| FR3074913B1 (fr) * | 2017-12-08 | 2019-11-22 | Sagemcom Energy & Telecom Sas | Procede de mesure d'une vitesse d'un fluide |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD87099A (it) * | ||||
| US3505537A (en) * | 1967-03-09 | 1970-04-07 | Rca Corp | Signal envelope discriminator and gating circuit |
| GB1422791A (en) * | 1972-04-04 | 1976-01-28 | Atomic Energy Authority Uk | Apparatus for indicating fluid flow velocity |
-
1974
- 1974-01-31 GB GB466574A patent/GB1495389A/en not_active Expired
-
1975
- 1975-01-29 DE DE19752503538 patent/DE2503538C2/de not_active Expired
- 1975-01-30 FR FR7502930A patent/FR2260229B1/fr not_active Expired
- 1975-01-31 NL NL7501196A patent/NL7501196A/xx not_active Application Discontinuation
- 1975-01-31 JP JP50013252A patent/JPS5855441B2/ja not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51101568A (en) * | 1975-03-05 | 1976-09-08 | Fuji Electric Co Ltd | Shingokanshikairo |
| JPS554529A (en) * | 1978-06-27 | 1980-01-14 | Toshiba Corp | Ultrasonic current meter |
| JPS5832336B2 (ja) * | 1978-06-27 | 1983-07-12 | 株式会社東芝 | 超音波流速計 |
| JP2020056801A (ja) * | 2020-01-10 | 2020-04-09 | 中国電力株式会社 | 計測診断装置、及び計測診断方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2260229B1 (it) | 1982-02-19 |
| DE2503538A1 (de) | 1975-08-14 |
| DE2503538C2 (de) | 1984-04-26 |
| NL7501196A (nl) | 1975-08-04 |
| GB1495389A (en) | 1977-12-14 |
| JPS5855441B2 (ja) | 1983-12-09 |
| FR2260229A1 (it) | 1975-08-29 |