JPH0339263B2 - - Google Patents

Info

Publication number
JPH0339263B2
JPH0339263B2 JP57200591A JP20059182A JPH0339263B2 JP H0339263 B2 JPH0339263 B2 JP H0339263B2 JP 57200591 A JP57200591 A JP 57200591A JP 20059182 A JP20059182 A JP 20059182A JP H0339263 B2 JPH0339263 B2 JP H0339263B2
Authority
JP
Japan
Prior art keywords
signal
converter
output
output signal
data
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
JP57200591A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5990044A (ja
Inventor
Satoru Inoe
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 JP20059182A priority Critical patent/JPS5990044A/ja
Publication of JPS5990044A publication Critical patent/JPS5990044A/ja
Publication of JPH0339263B2 publication Critical patent/JPH0339263B2/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)
JP20059182A 1982-11-16 1982-11-16 デイジタル式・渦流探傷装置 Granted JPS5990044A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20059182A JPS5990044A (ja) 1982-11-16 1982-11-16 デイジタル式・渦流探傷装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20059182A JPS5990044A (ja) 1982-11-16 1982-11-16 デイジタル式・渦流探傷装置

Publications (2)

Publication Number Publication Date
JPS5990044A JPS5990044A (ja) 1984-05-24
JPH0339263B2 true JPH0339263B2 (en]) 1991-06-13

Family

ID=16426890

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20059182A Granted JPS5990044A (ja) 1982-11-16 1982-11-16 デイジタル式・渦流探傷装置

Country Status (1)

Country Link
JP (1) JPS5990044A (en])

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4594555A (en) * 1984-10-29 1986-06-10 Hewlett-Packard Company Frequency selective sampling detector
JPH01223340A (ja) * 1988-03-02 1989-09-06 Idemitsu Eng Co Ltd 渦流探傷方法および装置
JP2525976Y2 (ja) * 1990-06-14 1997-02-12 内橋エステック株式会社 合金型温度ヒューズ
JP2007225303A (ja) * 2006-02-21 2007-09-06 Jfe Steel Kk 同期検波方法および装置、磁気計測方法および装置
GB2457496B (en) * 2008-02-15 2010-10-20 Ge Inspection Technologies Ltd A method and apparatus for phase sensitive detection of eddy current measurements

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5523381B2 (en]) * 1974-02-02 1980-06-23
JPS5523383B2 (en]) * 1974-02-12 1980-06-23

Also Published As

Publication number Publication date
JPS5990044A (ja) 1984-05-24

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