JPH0259403B2 - - Google Patents
Info
- Publication number
- JPH0259403B2 JPH0259403B2 JP57086396A JP8639682A JPH0259403B2 JP H0259403 B2 JPH0259403 B2 JP H0259403B2 JP 57086396 A JP57086396 A JP 57086396A JP 8639682 A JP8639682 A JP 8639682A JP H0259403 B2 JPH0259403 B2 JP H0259403B2
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic flowmeter
- electroacoustic transducer
- transducer
- electrode
- interdigital
- 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
- 230000010287 polarization Effects 0.000 claims description 40
- 230000005284 excitation Effects 0.000 claims description 25
- 230000010363 phase shift Effects 0.000 claims description 6
- 230000001902 propagating effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000009977 dual effect Effects 0.000 claims description 2
- 239000004020 conductor Substances 0.000 description 13
- 239000000919 ceramic Substances 0.000 description 7
- 230000000737 periodic effect Effects 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000002604 ultrasonography Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000010897 surface acoustic wave method Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 230000002463 transducing effect Effects 0.000 description 1
Landscapes
- Measuring Volume Flow (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19813120541 DE3120541A1 (de) | 1980-05-28 | 1981-05-22 | Verbesserung eines durchfluss-stroemungsmessers mit ultraschall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57198826A JPS57198826A (en) | 1982-12-06 |
| JPH0259403B2 true JPH0259403B2 (enExample) | 1990-12-12 |
Family
ID=6133044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57086396A Granted JPS57198826A (en) | 1981-05-22 | 1982-05-21 | Ultrasonic flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57198826A (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59194310A (ja) * | 1983-04-20 | 1984-11-05 | 株式会社フジクラ | 電気ケ−ブル |
| DE10361763A1 (de) * | 2003-12-29 | 2005-07-28 | Robert Bosch Gmbh | Ultraschallströmungssensor mit verschränkten Sende- und Empfangselementen |
-
1982
- 1982-05-21 JP JP57086396A patent/JPS57198826A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57198826A (en) | 1982-12-06 |
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