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
Application number
JP1980174247U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5797265U (en]
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1980174247U priority Critical patent/JPS645241Y2/ja
Publication of JPS5797265U publication Critical patent/JPS5797265U/ja
Application granted granted Critical
Publication of JPS645241Y2 publication Critical patent/JPS645241Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Examining Or Testing Airtightness (AREA)
JP1980174247U 1980-12-03 1980-12-03 Expired JPS645241Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1980174247U JPS645241Y2 (en]) 1980-12-03 1980-12-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1980174247U JPS645241Y2 (en]) 1980-12-03 1980-12-03

Publications (2)

Publication Number Publication Date
JPS5797265U JPS5797265U (en]) 1982-06-15
JPS645241Y2 true JPS645241Y2 (en]) 1989-02-09

Family

ID=29532292

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1980174247U Expired JPS645241Y2 (en]) 1980-12-03 1980-12-03

Country Status (1)

Country Link
JP (1) JPS645241Y2 (en])

Families Citing this family (4)

* Cited by examiner, † Cited by third party
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
JP7727678B2 (ja) * 2021-12-06 2025-08-21 ホーチキ株式会社 防災システム

Family Cites Families (5)

* Cited by examiner, † Cited by third party
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
JPS6055395B2 (ja) * 1975-03-12 1985-12-04 日揮株式会社 油貯蔵輸送系における漏洩油検知素子
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
JPS5390934U (en]) * 1976-12-27 1978-07-25
JPS6245388Y2 (en]) * 1980-11-29 1987-12-04

Also Published As

Publication number Publication date
JPS5797265U (en]) 1982-06-15

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