SE351493B - Högkänslig, med virvelströmmar arbetande feldetektor - Google Patents

Högkänslig, med virvelströmmar arbetande feldetektor

Info

Publication number
SE351493B
SE351493B SE16715/71A SE1671571A SE351493B SE 351493 B SE351493 B SE 351493B SE 16715/71 A SE16715/71 A SE 16715/71A SE 1671571 A SE1671571 A SE 1671571A SE 351493 B SE351493 B SE 351493B
Authority
SE
Sweden
Prior art keywords
highly sensitive
eddy currents
fault detector
detector operating
operating
Prior art date
Application number
SE16715/71A
Other languages
English (en)
Other versions
SE351493C (sv
Inventor
T Mori
S Ando
Original Assignee
Nippon Kokan Kk
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 Nippon Kokan Kk filed Critical Nippon Kokan Kk
Priority to SE1671571A priority Critical patent/SE351493C/sv
Publication of SE351493B publication Critical patent/SE351493B/sv
Publication of SE351493C publication Critical patent/SE351493C/sv

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
    • G01N27/9053—Compensating for probe to workpiece spacing

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)
SE1671571A 1971-12-28 1971-12-28 Högkänslig, med virvelströmmar arbetande feldetektor SE351493C (sv)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE1671571A SE351493C (sv) 1971-12-28 1971-12-28 Högkänslig, med virvelströmmar arbetande feldetektor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1671571A SE351493C (sv) 1971-12-28 1971-12-28 Högkänslig, med virvelströmmar arbetande feldetektor

Publications (2)

Publication Number Publication Date
SE351493B true SE351493B (sv) 1972-11-27
SE351493C SE351493C (sv) 1974-09-23

Family

ID=20302648

Family Applications (1)

Application Number Title Priority Date Filing Date
SE1671571A SE351493C (sv) 1971-12-28 1971-12-28 Högkänslig, med virvelströmmar arbetande feldetektor

Country Status (1)

Country Link
SE (1) SE351493C (sv)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4864235A (en) * 1987-03-17 1989-09-05 Tornbloms Kvaliteskontroll Ab Phase-selective monitoring via vector transformation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4864235A (en) * 1987-03-17 1989-09-05 Tornbloms Kvaliteskontroll Ab Phase-selective monitoring via vector transformation

Also Published As

Publication number Publication date
SE351493C (sv) 1974-09-23

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