JPS6334994B2 - - Google Patents
Info
- Publication number
- JPS6334994B2 JPS6334994B2 JP56124705A JP12470581A JPS6334994B2 JP S6334994 B2 JPS6334994 B2 JP S6334994B2 JP 56124705 A JP56124705 A JP 56124705A JP 12470581 A JP12470581 A JP 12470581A JP S6334994 B2 JPS6334994 B2 JP S6334994B2
- Authority
- JP
- Japan
- Prior art keywords
- reference voltage
- time difference
- value
- signal
- time
- Prior art date
- 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)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Measuring Volume Flow (AREA)
- Measurement Of Unknown Time Intervals (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56124705A JPS5827086A (ja) | 1981-08-11 | 1981-08-11 | 超音波伝搬時間検出方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56124705A JPS5827086A (ja) | 1981-08-11 | 1981-08-11 | 超音波伝搬時間検出方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5827086A JPS5827086A (ja) | 1983-02-17 |
JPS6334994B2 true JPS6334994B2 (enrdf_load_stackoverflow) | 1988-07-13 |
Family
ID=14892053
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56124705A Granted JPS5827086A (ja) | 1981-08-11 | 1981-08-11 | 超音波伝搬時間検出方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5827086A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006038709A (ja) * | 2004-07-28 | 2006-02-09 | Ricoh Elemex Corp | 超音波流量計 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009023070A (ja) * | 2007-07-23 | 2009-02-05 | Mazda Motor Corp | 締付制御システム |
JP7375356B2 (ja) * | 2019-07-26 | 2023-11-08 | 沖電気工業株式会社 | 距離計、水位計、距離計測方法、及び距離計測プログラム |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54149670A (en) * | 1978-05-16 | 1979-11-24 | Fuji Electric Co Ltd | Circuit device for detecting ultrasonic wave propagating time |
JPS5827449B2 (ja) * | 1978-08-09 | 1983-06-09 | 富士電機株式会社 | 超音波伝搬時間検出回路装置 |
DE2923963C2 (de) * | 1979-06-13 | 1986-03-27 | Endress U. Hauser Gmbh U. Co, 7867 Maulburg | Verfahren zur Impulsabstandsmessung und Anordnung zur Durchführung des Verfahrens |
-
1981
- 1981-08-11 JP JP56124705A patent/JPS5827086A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006038709A (ja) * | 2004-07-28 | 2006-02-09 | Ricoh Elemex Corp | 超音波流量計 |
Also Published As
Publication number | Publication date |
---|---|
JPS5827086A (ja) | 1983-02-17 |
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