JPS645241Y2 - - Google Patents
Info
- Publication number
- JPS645241Y2 JPS645241Y2 JP1980174247U JP17424780U JPS645241Y2 JP S645241 Y2 JPS645241 Y2 JP S645241Y2 JP 1980174247 U JP1980174247 U JP 1980174247U JP 17424780 U JP17424780 U JP 17424780U JP S645241 Y2 JPS645241 Y2 JP S645241Y2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- reference voltage
- voltage
- detection
- water intrusion
- 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
- 238000001514 detection method Methods 0.000 claims description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 239000004020 conductor Substances 0.000 claims description 16
- 230000005856 abnormality Effects 0.000 claims description 12
- 230000000295 complement effect Effects 0.000 claims description 4
- 238000009413 insulation Methods 0.000 description 12
- 238000013459 approach Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000011253 protective coating Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Examining Or Testing Airtightness (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980174247U JPS645241Y2 (ru) | 1980-12-03 | 1980-12-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980174247U JPS645241Y2 (ru) | 1980-12-03 | 1980-12-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5797265U JPS5797265U (ru) | 1982-06-15 |
| JPS645241Y2 true JPS645241Y2 (ru) | 1989-02-09 |
Family
ID=29532292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1980174247U Expired JPS645241Y2 (ru) | 1980-12-03 | 1980-12-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS645241Y2 (ru) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0629824B2 (ja) * | 1988-11-30 | 1994-04-20 | タツタ電線株式会社 | 漏液検知装置 |
| JPH0620122Y2 (ja) * | 1988-11-30 | 1994-05-25 | タツタ電線株式会社 | 漏液検知装置 |
| US8928338B2 (en) * | 2010-11-17 | 2015-01-06 | Delphi Technologies, Inc. | Self diagnostics of a particulate matter sensor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3662367A (en) * | 1971-01-04 | 1972-05-09 | Bell Telephone Labor Inc | Water alarm and fault-locating for air core plastic-insulated telephone cable |
| JPS51104616A (ru) * | 1975-03-12 | 1976-09-16 | Japan Gasoline | |
| US4090193A (en) * | 1976-11-24 | 1978-05-16 | The United States Of America As Represented By The Secretary Of The Navy | Frequency multiplexed water leak detection system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5390934U (ru) * | 1976-12-27 | 1978-07-25 | ||
| JPS6245388Y2 (ru) * | 1980-11-29 | 1987-12-04 |
-
1980
- 1980-12-03 JP JP1980174247U patent/JPS645241Y2/ja not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3662367A (en) * | 1971-01-04 | 1972-05-09 | Bell Telephone Labor Inc | Water alarm and fault-locating for air core plastic-insulated telephone cable |
| JPS51104616A (ru) * | 1975-03-12 | 1976-09-16 | Japan Gasoline | |
| US4090193A (en) * | 1976-11-24 | 1978-05-16 | The United States Of America As Represented By The Secretary Of The Navy | Frequency multiplexed water leak detection system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5797265U (ru) | 1982-06-15 |
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