JPH0321859B2 - - Google Patents

Info

Publication number
JPH0321859B2
JPH0321859B2 JP55150173A JP15017380A JPH0321859B2 JP H0321859 B2 JPH0321859 B2 JP H0321859B2 JP 55150173 A JP55150173 A JP 55150173A JP 15017380 A JP15017380 A JP 15017380A JP H0321859 B2 JPH0321859 B2 JP H0321859B2
Authority
JP
Japan
Prior art keywords
water
pressure
output
telephone line
circuit
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 - Lifetime
Application number
JP55150173A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5774636A (en
Inventor
Tadashi Saito
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co Ltd
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 by Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP15017380A priority Critical patent/JPS5774636A/ja
Publication of JPS5774636A publication Critical patent/JPS5774636A/ja
Publication of JPH0321859B2 publication Critical patent/JPH0321859B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/24—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations
    • G01M3/243—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations for pipes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
  • Examining Or Testing Airtightness (AREA)
JP15017380A 1980-10-28 1980-10-28 Water leak detecting method Granted JPS5774636A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15017380A JPS5774636A (en) 1980-10-28 1980-10-28 Water leak detecting method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15017380A JPS5774636A (en) 1980-10-28 1980-10-28 Water leak detecting method

Publications (2)

Publication Number Publication Date
JPS5774636A JPS5774636A (en) 1982-05-10
JPH0321859B2 true JPH0321859B2 (cs) 1991-03-25

Family

ID=15491091

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15017380A Granted JPS5774636A (en) 1980-10-28 1980-10-28 Water leak detecting method

Country Status (1)

Country Link
JP (1) JPS5774636A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7353698B1 (ja) * 2023-07-06 2023-10-02 大崎データテック株式会社 漏水検知装置及び検針ユニット

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201020506D0 (en) * 2010-12-03 2011-01-19 Emstec Gmbh & Co Kg Leak detection system
JP6027309B2 (ja) * 2011-09-22 2016-11-16 ホーチキ株式会社 水道使用監視システム及び水道使用監視装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53138785A (en) * 1977-05-11 1978-12-04 Nippon Kokan Kk Leak detecting method in liquid transferring pipe lines
JPS5583831A (en) * 1978-12-20 1980-06-24 Fuji Sangyo Kk Leak inspection object pipe line search method of liquid conduit line and its unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7353698B1 (ja) * 2023-07-06 2023-10-02 大崎データテック株式会社 漏水検知装置及び検針ユニット

Also Published As

Publication number Publication date
JPS5774636A (en) 1982-05-10

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