JPH028262B2 - - Google Patents

Info

Publication number
JPH028262B2
JPH028262B2 JP14242282A JP14242282A JPH028262B2 JP H028262 B2 JPH028262 B2 JP H028262B2 JP 14242282 A JP14242282 A JP 14242282A JP 14242282 A JP14242282 A JP 14242282A JP H028262 B2 JPH028262 B2 JP H028262B2
Authority
JP
Japan
Prior art keywords
output
amplifier
magnetic saturation
phase
eddy current
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
JP14242282A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5932862A (ja
Inventor
Nobuo Mukaesato
Makoto Kishi
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP14242282A priority Critical patent/JPS5932862A/ja
Publication of JPS5932862A publication Critical patent/JPS5932862A/ja
Publication of JPH028262B2 publication Critical patent/JPH028262B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
    • G01N27/9046—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents by analysing electrical signals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
JP14242282A 1982-08-17 1982-08-17 渦流探傷装置 Granted JPS5932862A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14242282A JPS5932862A (ja) 1982-08-17 1982-08-17 渦流探傷装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14242282A JPS5932862A (ja) 1982-08-17 1982-08-17 渦流探傷装置

Publications (2)

Publication Number Publication Date
JPS5932862A JPS5932862A (ja) 1984-02-22
JPH028262B2 true JPH028262B2 (enrdf_load_stackoverflow) 1990-02-23

Family

ID=15314957

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14242282A Granted JPS5932862A (ja) 1982-08-17 1982-08-17 渦流探傷装置

Country Status (1)

Country Link
JP (1) JPS5932862A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0658652U (ja) * 1991-01-22 1994-08-12 米沢日本電気株式会社 カラー情報入力装置のシェーディング機構

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6553838B2 (en) * 2000-08-25 2003-04-29 Em-Tech Llc Detection of anomalies on railroad tracks

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0658652U (ja) * 1991-01-22 1994-08-12 米沢日本電気株式会社 カラー情報入力装置のシェーディング機構

Also Published As

Publication number Publication date
JPS5932862A (ja) 1984-02-22

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