FR1586578A - - Google Patents
Info
- Publication number
- FR1586578A FR1586578A FR1586578DA FR1586578A FR 1586578 A FR1586578 A FR 1586578A FR 1586578D A FR1586578D A FR 1586578DA FR 1586578 A FR1586578 A FR 1586578A
- 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
- 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)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7037967 | 1967-11-01 | ||
JP640468 | 1968-02-02 | ||
JP5000768 | 1968-07-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1586578A true FR1586578A (en) | 1970-02-20 |
Family
ID=27277156
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1586578D Expired FR1586578A (en) | 1967-11-01 | 1968-10-31 |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE1806437A1 (en) |
FR (1) | FR1586578A (en) |
GB (1) | GB1239314A (en) |
NL (1) | NL6815607A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2454101A1 (en) * | 1979-04-11 | 1980-11-07 | Onera (Off Nat Aerospatiale) | APPARATUS FOR MEASURING THE SPEED OF A LIQUID VEIN BY ULTRA-SOUND |
CN107407584B (en) * | 2015-03-11 | 2019-10-25 | 丹佛斯有限公司 | Inexpensive transceiver circuit for flowmeter |
-
1968
- 1968-10-31 DE DE19681806437 patent/DE1806437A1/en active Pending
- 1968-10-31 FR FR1586578D patent/FR1586578A/fr not_active Expired
- 1968-11-01 NL NL6815607A patent/NL6815607A/xx unknown
- 1968-11-01 GB GB1239314D patent/GB1239314A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1239314A (en) | 1971-07-14 |
NL6815607A (en) | 1969-05-05 |
DE1806437A1 (en) | 1969-08-21 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |