JPH0311740Y2 - - Google Patents
Info
- Publication number
- JPH0311740Y2 JPH0311740Y2 JP6900489U JP6900489U JPH0311740Y2 JP H0311740 Y2 JPH0311740 Y2 JP H0311740Y2 JP 6900489 U JP6900489 U JP 6900489U JP 6900489 U JP6900489 U JP 6900489U JP H0311740 Y2 JPH0311740 Y2 JP H0311740Y2
- Authority
- JP
- Japan
- Prior art keywords
- output
- oscillator
- acoustic sensor
- fluid
- period
- 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
- 239000012530 fluid Substances 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 12
- 239000008399 tap water Substances 0.000 description 6
- 235000020679 tap water Nutrition 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000005534 acoustic noise Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000005669 field effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6900489U JPH0311740Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-06-15 | 1989-06-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6900489U JPH0311740Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-06-15 | 1989-06-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0220172U JPH0220172U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-02-09 |
| JPH0311740Y2 true JPH0311740Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-03-20 |
Family
ID=31294298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6900489U Expired JPH0311740Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-06-15 | 1989-06-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0311740Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016145750A (ja) * | 2015-02-09 | 2016-08-12 | 株式会社リニア・サーキット | 水道用の使用検出センサ |
-
1989
- 1989-06-15 JP JP6900489U patent/JPH0311740Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016145750A (ja) * | 2015-02-09 | 2016-08-12 | 株式会社リニア・サーキット | 水道用の使用検出センサ |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0220172U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-02-09 |