FR2317657B1 - - Google Patents
Info
- Publication number
- FR2317657B1 FR2317657B1 FR7620405A FR7620405A FR2317657B1 FR 2317657 B1 FR2317657 B1 FR 2317657B1 FR 7620405 A FR7620405 A FR 7620405A FR 7620405 A FR7620405 A FR 7620405A FR 2317657 B1 FR2317657 B1 FR 2317657B1
- Authority
- FR
- France
- 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
Classifications
-
- 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
-
- 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)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Aviation & Aerospace Engineering (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Fluid Mechanics (AREA)
- Measuring Volume Flow (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Percussion Or Vibration Massage (AREA)
- Reverberation, Karaoke And Other Acoustics (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752530114 DE2530114C2 (de) | 1975-07-05 | Schaltungsanordnung zum Ermitteln physikalischer Größen strömender Medien, insbesondere der Strömungsgeschwindigkeit, nach der Ultraschallmethode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2317657A1 FR2317657A1 (fr) | 1977-02-04 |
| FR2317657B1 true FR2317657B1 (cg-RX-API-DMAC7.html) | 1980-08-29 |
Family
ID=5950777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7620405A Granted FR2317657A1 (fr) | 1975-07-05 | 1976-07-02 | Montage electronique pour la determination par ultra-sons de grandeurs physiques, notamment de vitesses d'ecoulement de fluides |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5836728B2 (cg-RX-API-DMAC7.html) |
| CH (1) | CH612764A5 (cg-RX-API-DMAC7.html) |
| DK (1) | DK302676A (cg-RX-API-DMAC7.html) |
| FR (1) | FR2317657A1 (cg-RX-API-DMAC7.html) |
| GB (1) | GB1551742A (cg-RX-API-DMAC7.html) |
| IT (1) | IT1071228B (cg-RX-API-DMAC7.html) |
| NL (1) | NL185102C (cg-RX-API-DMAC7.html) |
| NO (1) | NO142687C (cg-RX-API-DMAC7.html) |
| SE (1) | SE407859B (cg-RX-API-DMAC7.html) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57168115A (en) * | 1981-04-10 | 1982-10-16 | Toshiba Corp | Ultrasonic wave flow speed measuring device |
| JPS60193538A (ja) * | 1984-03-09 | 1985-10-02 | Res Dev Corp Of Japan | 吸着剤 |
| JPS6125639A (ja) * | 1984-07-13 | 1986-02-04 | Res Dev Corp Of Japan | 吸着剤 |
| JPS6238238A (ja) * | 1985-08-14 | 1987-02-19 | Res Dev Corp Of Japan | 光学分割方法 |
| JPH06197B2 (ja) * | 1990-07-16 | 1994-01-05 | 新技術事業団 | 吸着剤 |
| EP2383550A1 (en) | 2010-04-28 | 2011-11-02 | Miitors ApS | Ultrasonic flow meter |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3231722A (en) * | 1961-03-31 | 1966-01-25 | Systems Inc Comp | Dynamic storage analog computer |
| GB1361613A (en) * | 1970-11-24 | 1974-07-30 | Solartron Electronic Group | Analogue to digital converters |
| BE788936A (fr) * | 1971-09-27 | 1973-03-19 | Cit Alcatel | Integrateur compense en courant continu |
-
1976
- 1976-06-17 NO NO762106A patent/NO142687C/no unknown
- 1976-07-01 SE SE7607502A patent/SE407859B/xx unknown
- 1976-07-02 CH CH847676A patent/CH612764A5/xx not_active IP Right Cessation
- 1976-07-02 FR FR7620405A patent/FR2317657A1/fr active Granted
- 1976-07-02 NL NLAANVRAGE7607346,A patent/NL185102C/xx not_active IP Right Cessation
- 1976-07-05 DK DK302676A patent/DK302676A/da not_active Application Discontinuation
- 1976-07-05 JP JP51079785A patent/JPS5836728B2/ja not_active Expired
- 1976-07-05 IT IT68671/76A patent/IT1071228B/it active
- 1976-07-05 GB GB27939/76A patent/GB1551742A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7607346A (nl) | 1977-01-07 |
| JPS5836728B2 (ja) | 1983-08-11 |
| NO142687C (no) | 1980-09-24 |
| JPS529478A (en) | 1977-01-25 |
| DE2530114B1 (de) | 1976-12-30 |
| NO762106L (cg-RX-API-DMAC7.html) | 1977-01-06 |
| FR2317657A1 (fr) | 1977-02-04 |
| NO142687B (no) | 1980-06-16 |
| DK302676A (da) | 1977-01-06 |
| CH612764A5 (en) | 1979-08-15 |
| GB1551742A (en) | 1979-08-30 |
| IT1071228B (it) | 1985-04-02 |
| NL185102B (nl) | 1989-08-16 |
| SE407859B (sv) | 1979-04-23 |
| SE7607502L (sv) | 1977-01-06 |
| NL185102C (nl) | 1990-01-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |