GB1444155A - Method of producing an electrical signal representative of the magnetic or electric properties of ferromagnetic material - Google Patents

Method of producing an electrical signal representative of the magnetic or electric properties of ferromagnetic material

Info

Publication number
GB1444155A
GB1444155A GB3862073A GB3862073A GB1444155A GB 1444155 A GB1444155 A GB 1444155A GB 3862073 A GB3862073 A GB 3862073A GB 3862073 A GB3862073 A GB 3862073A GB 1444155 A GB1444155 A GB 1444155A
Authority
GB
United Kingdom
Prior art keywords
magnetic
producing
electrical signal
ferromagnetic material
signal representative
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
GB3862073A
Other languages
English (en)
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.)
JFE Engineering Corp
Original Assignee
Nippon Kokan 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 Nippon Kokan Ltd filed Critical Nippon Kokan Ltd
Publication of GB1444155A publication Critical patent/GB1444155A/en
Expired 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
    • 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
    • G01N27/9006—Details, e.g. in the structure or functioning of sensors
    • 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)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electrochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Measuring Magnetic Variables (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
GB3862073A 1972-08-15 1973-08-15 Method of producing an electrical signal representative of the magnetic or electric properties of ferromagnetic material Expired GB1444155A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47081153A JPS4939462A (cs) 1972-08-15 1972-08-15

Publications (1)

Publication Number Publication Date
GB1444155A true GB1444155A (en) 1976-07-28

Family

ID=13738475

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3862073A Expired GB1444155A (en) 1972-08-15 1973-08-15 Method of producing an electrical signal representative of the magnetic or electric properties of ferromagnetic material

Country Status (4)

Country Link
JP (1) JPS4939462A (cs)
DE (1) DE2341088A1 (cs)
FR (1) FR2196711A5 (cs)
GB (1) GB1444155A (cs)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2000295A (en) * 1977-06-10 1979-01-04 Basf Ag Method and device for determining the homogeneity of a magnetic dispersion and method of manufacturing a magnetic recording medium from such a dispersion
WO2017068337A1 (en) * 2015-10-23 2017-04-27 The Technology Partnership Plc Inductive temperature sensing

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3120522C2 (de) * 1981-05-22 1985-02-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Verfahren zur Bestimmung von Werkstoffeigenschaften
DE3238089A1 (de) * 1982-10-14 1984-04-19 Ballhaus, Heribert, Dipl.-Ing. Dr.-Ing, 7517 Waldbronn Geraet zur detektion von korrosionsschaeden an stahlseilfoerdergurten
JPS6145922A (ja) * 1984-08-10 1986-03-06 Hitachi Ltd 位置検出センサ
JPS6242087U (cs) * 1986-08-21 1987-03-13
DE3734128A1 (de) * 1987-10-09 1989-04-27 Fraunhofer Ges Forschung Magnetometer
FR2677125B1 (fr) * 1991-05-30 1997-01-17 Micrel Appareil et procede de detection de defauts sur pieces metalliques.

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2000295A (en) * 1977-06-10 1979-01-04 Basf Ag Method and device for determining the homogeneity of a magnetic dispersion and method of manufacturing a magnetic recording medium from such a dispersion
GB2000295B (en) * 1977-06-10 1982-03-10 Basf Ag Method and device for determining the homogeneity of a magnetic dispersion and method of manufacturing a magnetic recording medium from such a dispersion
WO2017068337A1 (en) * 2015-10-23 2017-04-27 The Technology Partnership Plc Inductive temperature sensing
CN108700476A (zh) * 2015-10-23 2018-10-23 技术合伙公司 感应式温度感测
US11002613B2 (en) 2015-10-23 2021-05-11 Ttp Plc. Inductive temperature sensing
CN108700476B (zh) * 2015-10-23 2021-07-16 技术合伙公司 感应式温度感测

Also Published As

Publication number Publication date
JPS4939462A (cs) 1974-04-12
FR2196711A5 (cs) 1974-03-15
DE2341088A1 (de) 1974-03-07

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee