NL7200501A - - Google Patents
Info
- Publication number
- NL7200501A NL7200501A NL7200501A NL7200501A NL7200501A NL 7200501 A NL7200501 A NL 7200501A NL 7200501 A NL7200501 A NL 7200501A NL 7200501 A NL7200501 A NL 7200501A NL 7200501 A NL7200501 A NL 7200501A
- Authority
- NL
- Netherlands
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
- G01F1/667—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)
- Measurement Of Unknown Time Intervals (AREA)
- Measuring Volume Flow (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7101145A FR2121452B1 (de) | 1971-01-14 | 1971-01-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7200501A true NL7200501A (de) | 1972-07-18 |
Family
ID=9070284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7200501A NL7200501A (de) | 1971-01-14 | 1972-01-13 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE778034A (de) |
| DE (1) | DE2201702C3 (de) |
| FR (1) | FR2121452B1 (de) |
| IT (1) | IT952011B (de) |
| NL (1) | NL7200501A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9119742D0 (en) * | 1991-09-16 | 1991-10-30 | British Gas Plc | Measurement system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3329017A (en) * | 1963-05-07 | 1967-07-04 | Tokyo Keiki Seizosho Co Ltd | Ultrasonic flow quantity measuring apparatus |
-
1971
- 1971-01-14 FR FR7101145A patent/FR2121452B1/fr not_active Expired
-
1972
- 1972-01-13 NL NL7200501A patent/NL7200501A/xx unknown
- 1972-01-13 IT IT4770172A patent/IT952011B/it active
- 1972-01-14 BE BE778034A patent/BE778034A/xx unknown
- 1972-01-14 DE DE19722201702 patent/DE2201702C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE778034A (fr) | 1972-05-02 |
| FR2121452B1 (de) | 1974-02-15 |
| IT952011B (it) | 1973-07-20 |
| FR2121452A1 (de) | 1972-08-25 |
| DE2201702B2 (de) | 1980-11-13 |
| DE2201702A1 (de) | 1972-07-20 |
| DE2201702C3 (de) | 1981-07-30 |