JPS5041578A - - Google Patents
Info
- Publication number
- JPS5041578A JPS5041578A JP49017083A JP1708374A JPS5041578A JP S5041578 A JPS5041578 A JP S5041578A JP 49017083 A JP49017083 A JP 49017083A JP 1708374 A JP1708374 A JP 1708374A JP S5041578 A JPS5041578 A JP S5041578A
- 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
-
- 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
- G01F23/296—Acoustic waves
- G01F23/2962—Measuring transit time of reflected waves
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Ink Jet (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7301902A SE371691B (fr) | 1973-02-12 | 1973-02-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5041578A true JPS5041578A (fr) | 1975-04-16 |
| JPS5427149B2 JPS5427149B2 (fr) | 1979-09-07 |
Family
ID=20316601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1708374A Expired JPS5427149B2 (fr) | 1973-02-12 | 1974-02-12 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5427149B2 (fr) |
| DK (1) | DK138617B (fr) |
| FR (1) | FR2217678B1 (fr) |
| GB (1) | GB1411208A (fr) |
| IT (1) | IT1008221B (fr) |
| NO (1) | NO136861C (fr) |
| SE (1) | SE371691B (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1555799A (en) * | 1976-10-25 | 1979-11-14 | Secretary Industry Brit | Arc welding |
| GB1595194A (en) * | 1977-09-13 | 1981-08-12 | Marconi Co Ltd | Liquid level sensing device |
| JP6270055B2 (ja) * | 2014-12-26 | 2018-01-31 | 日本精機株式会社 | 液面検出装置 |
-
1973
- 1973-02-12 SE SE7301902A patent/SE371691B/xx unknown
-
1974
- 1974-02-05 GB GB797174A patent/GB1411208A/en not_active Expired
- 1974-02-11 IT IT48265/74A patent/IT1008221B/it active
- 1974-02-11 FR FR7404562A patent/FR2217678B1/fr not_active Expired
- 1974-02-11 DK DK69674AA patent/DK138617B/da unknown
- 1974-02-11 NO NO740455A patent/NO136861C/no unknown
- 1974-02-12 JP JP1708374A patent/JPS5427149B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1411208A (en) | 1975-10-22 |
| NO136861C (no) | 1977-11-16 |
| DE2405991B2 (de) | 1976-06-10 |
| JPS5427149B2 (fr) | 1979-09-07 |
| NO136861B (no) | 1977-08-08 |
| DK138617C (fr) | 1979-03-12 |
| SE371691B (fr) | 1974-11-25 |
| DE2405991A1 (de) | 1974-08-22 |
| FR2217678B1 (fr) | 1978-10-27 |
| NO740455L (no) | 1974-08-13 |
| FR2217678A1 (fr) | 1974-09-06 |
| IT1008221B (it) | 1976-11-10 |
| DK138617B (da) | 1978-10-02 |