FR2251812A1 - - Google Patents
Info
- Publication number
- FR2251812A1 FR2251812A1 FR7437984A FR7437984A FR2251812A1 FR 2251812 A1 FR2251812 A1 FR 2251812A1 FR 7437984 A FR7437984 A FR 7437984A FR 7437984 A FR7437984 A FR 7437984A FR 2251812 A1 FR2251812 A1 FR 2251812A1
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Radar Systems Or Details Thereof (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7315649A SE381745B (en) | 1973-11-20 | 1973-11-20 | KITS AND DEVICE FOR DISTANCE SETTING WITH FREQUENCY MODULATED CONTINUOUS MICROVAGORS |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2251812A1 true FR2251812A1 (en) | 1975-06-13 |
| FR2251812B1 FR2251812B1 (en) | 1978-11-24 |
Family
ID=20319140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7437984A Expired FR2251812B1 (en) | 1973-11-20 | 1974-11-18 |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5427270B2 (en) |
| DK (1) | DK150760C (en) |
| FI (1) | FI61246C (en) |
| FR (1) | FR2251812B1 (en) |
| GB (1) | GB1476749A (en) |
| NL (1) | NL184132C (en) |
| NO (1) | NO140518C (en) |
| SE (1) | SE381745B (en) |
| YU (1) | YU307974A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2354542A1 (en) * | 1976-06-09 | 1978-01-06 | Endress & Co G H | METHOD AND DEVICE FOR MEASURING THE FILLING LEVEL OF A TANK, RESPECTIVELY OF THE HEIGHT OF A BULK MATERIAL ON A STORAGE SITE |
| FR2483606A1 (en) * | 1980-05-29 | 1981-12-04 | Hawker Siddeley Dynamics Eng | METHOD AND DEVICE FOR MEASURING THE HEIGHT OF A MATERIAL IN A TANK |
| WO1992014124A1 (en) * | 1991-02-12 | 1992-08-20 | Krohne Messtechnik Gmbh & Co. Kg | Electric circuit for a device for measuring the level in industrial tanks and the like |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO152108C (en) * | 1983-04-05 | 1985-08-14 | Autronica As | NIVAAMAALER |
| US4566321A (en) * | 1985-01-18 | 1986-01-28 | Transamerica Delaval Inc. | Microwave tank-contents level measuring assembly with lens-obturated wall-opening |
| FR2817957B1 (en) * | 2000-12-12 | 2003-04-11 | Thomson Csf | DEVICE FOR MONITORING THE CARGO OF A SHIP |
-
1973
- 1973-11-20 SE SE7315649A patent/SE381745B/en unknown
-
1974
- 1974-11-14 FI FI3306/74A patent/FI61246C/en active
- 1974-11-18 JP JP13261774A patent/JPS5427270B2/ja not_active Expired
- 1974-11-18 FR FR7437984A patent/FR2251812B1/fr not_active Expired
- 1974-11-18 GB GB4990074A patent/GB1476749A/en not_active Expired
- 1974-11-19 DK DK600074A patent/DK150760C/en not_active IP Right Cessation
- 1974-11-19 NO NO744159A patent/NO140518C/en unknown
- 1974-11-19 YU YU03079/74A patent/YU307974A/en unknown
- 1974-11-20 NL NLAANVRAGE7415134,A patent/NL184132C/en not_active IP Right Cessation
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2354542A1 (en) * | 1976-06-09 | 1978-01-06 | Endress & Co G H | METHOD AND DEVICE FOR MEASURING THE FILLING LEVEL OF A TANK, RESPECTIVELY OF THE HEIGHT OF A BULK MATERIAL ON A STORAGE SITE |
| FR2483606A1 (en) * | 1980-05-29 | 1981-12-04 | Hawker Siddeley Dynamics Eng | METHOD AND DEVICE FOR MEASURING THE HEIGHT OF A MATERIAL IN A TANK |
| WO1992014124A1 (en) * | 1991-02-12 | 1992-08-20 | Krohne Messtechnik Gmbh & Co. Kg | Electric circuit for a device for measuring the level in industrial tanks and the like |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2452555A1 (en) | 1975-05-28 |
| YU307974A (en) | 1982-02-28 |
| NO140518B (en) | 1979-06-05 |
| NL184132C (en) | 1989-04-17 |
| NO744159L (en) | 1975-06-16 |
| DK600074A (en) | 1975-07-14 |
| DK150760B (en) | 1987-06-15 |
| NO140518C (en) | 1979-09-12 |
| SE7315649L (en) | 1975-05-21 |
| DE2452555B2 (en) | 1976-02-12 |
| FI61246B (en) | 1982-02-26 |
| SE381745B (en) | 1975-12-15 |
| DK150760C (en) | 1988-04-05 |
| JPS50114259A (en) | 1975-09-08 |
| FI61246C (en) | 1982-06-10 |
| JPS5427270B2 (en) | 1979-09-08 |
| FI330674A (en) | 1975-05-21 |
| FR2251812B1 (en) | 1978-11-24 |
| NL7415134A (en) | 1975-05-22 |
| GB1476749A (en) | 1977-06-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |