JPS5427149B2 - - Google Patents
Info
- Publication number
- JPS5427149B2 JPS5427149B2 JP1708374A JP1708374A JPS5427149B2 JP S5427149 B2 JPS5427149 B2 JP S5427149B2 JP 1708374 A JP1708374 A JP 1708374A JP 1708374 A JP1708374 A JP 1708374A JP S5427149 B2 JPS5427149 B2 JP S5427149B2
- 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.)
- Expired
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)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Ink Jet (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7301902A SE371691B (ja) | 1973-02-12 | 1973-02-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5041578A JPS5041578A (ja) | 1975-04-16 |
JPS5427149B2 true JPS5427149B2 (ja) | 1979-09-07 |
Family
ID=20316601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1708374A Expired JPS5427149B2 (ja) | 1973-02-12 | 1974-02-12 |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5427149B2 (ja) |
DK (1) | DK138617B (ja) |
FR (1) | FR2217678B1 (ja) |
GB (1) | GB1411208A (ja) |
IT (1) | IT1008221B (ja) |
NO (1) | NO136861C (ja) |
SE (1) | SE371691B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016104466A1 (ja) * | 2014-12-26 | 2016-06-30 | 日本精機株式会社 | 液面検出装置 |
Families Citing this family (2)
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 |
-
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 NO NO740455A patent/NO136861C/no unknown
- 1974-02-11 FR FR7404562A patent/FR2217678B1/fr not_active Expired
- 1974-02-11 DK DK69674AA patent/DK138617B/da unknown
- 1974-02-11 IT IT48265/74A patent/IT1008221B/it active
- 1974-02-12 JP JP1708374A patent/JPS5427149B2/ja not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016104466A1 (ja) * | 2014-12-26 | 2016-06-30 | 日本精機株式会社 | 液面検出装置 |
JP2016125825A (ja) * | 2014-12-26 | 2016-07-11 | 日本精機株式会社 | 液面検出装置 |
Also Published As
Publication number | Publication date |
---|---|
NO740455L (no) | 1974-08-13 |
NO136861C (no) | 1977-11-16 |
SE371691B (ja) | 1974-11-25 |
DE2405991A1 (de) | 1974-08-22 |
FR2217678A1 (ja) | 1974-09-06 |
FR2217678B1 (ja) | 1978-10-27 |
JPS5041578A (ja) | 1975-04-16 |
NO136861B (no) | 1977-08-08 |
IT1008221B (it) | 1976-11-10 |
DK138617B (da) | 1978-10-02 |
DE2405991B2 (de) | 1976-06-10 |
DK138617C (ja) | 1979-03-12 |
GB1411208A (en) | 1975-10-22 |