JPH0421807B2 - - Google Patents
Info
- Publication number
- JPH0421807B2 JPH0421807B2 JP15368682A JP15368682A JPH0421807B2 JP H0421807 B2 JPH0421807 B2 JP H0421807B2 JP 15368682 A JP15368682 A JP 15368682A JP 15368682 A JP15368682 A JP 15368682A JP H0421807 B2 JPH0421807 B2 JP H0421807B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- transmission
- ultrasonic
- reception
- transmitting
- 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
- 230000005540 biological transmission Effects 0.000 claims description 36
- 239000012530 fluid Substances 0.000 claims description 5
- 230000001934 delay Effects 0.000 claims 1
- 230000008054 signal transmission Effects 0.000 claims 1
- 230000010355 oscillation Effects 0.000 description 10
- 238000005259 measurement Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000010354 integration Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000001902 propagating effect Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15368682A JPS5943314A (ja) | 1982-09-03 | 1982-09-03 | 超音波流速測定装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15368682A JPS5943314A (ja) | 1982-09-03 | 1982-09-03 | 超音波流速測定装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5943314A JPS5943314A (ja) | 1984-03-10 |
| JPH0421807B2 true JPH0421807B2 (nl) | 1992-04-14 |
Family
ID=15567930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15368682A Granted JPS5943314A (ja) | 1982-09-03 | 1982-09-03 | 超音波流速測定装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5943314A (nl) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2693455B2 (ja) * | 1987-10-06 | 1997-12-24 | 株式会社リコー | 液体噴射記録ヘッド |
| JPH01190459A (ja) * | 1988-01-26 | 1989-07-31 | Ricoh Co Ltd | 液体噴射記録ヘッド |
| JP2004286762A (ja) * | 2004-07-12 | 2004-10-14 | Matsushita Electric Ind Co Ltd | 流量計測装置 |
-
1982
- 1982-09-03 JP JP15368682A patent/JPS5943314A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5943314A (ja) | 1984-03-10 |
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