SE7505919L - Sett och anleggning for elektronisk detektering - Google Patents

Sett och anleggning for elektronisk detektering

Info

Publication number
SE7505919L
SE7505919L SE7505919A SE7505919A SE7505919L SE 7505919 L SE7505919 L SE 7505919L SE 7505919 A SE7505919 A SE 7505919A SE 7505919 A SE7505919 A SE 7505919A SE 7505919 L SE7505919 L SE 7505919L
Authority
SE
Sweden
Prior art keywords
kit
electronic detection
electronic
detection
Prior art date
Application number
SE7505919A
Other languages
English (en)
Other versions
SE401954B (sv
Inventor
R S Enabnit
Original Assignee
Goodyear Tire & Rubber
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 Goodyear Tire & Rubber filed Critical Goodyear Tire & Rubber
Publication of SE7505919L publication Critical patent/SE7505919L/sv
Publication of SE401954B publication Critical patent/SE401954B/sv

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
    • 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
    • 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
    • G01N27/906—Compensating for velocity

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Remote Sensing (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
SE7505919A 1974-05-28 1975-05-23 Sett och apparat for att forbettra diskriminering av detekterade signaler i en elektronisk detekteringsanleggning SE401954B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/473,643 US3949293A (en) 1974-05-28 1974-05-28 Apparatus and method for detecting a moving metal mass including means to discriminate signals having a particular period

Publications (2)

Publication Number Publication Date
SE7505919L true SE7505919L (sv) 1975-12-01
SE401954B SE401954B (sv) 1978-06-05

Family

ID=23880398

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7505919A SE401954B (sv) 1974-05-28 1975-05-23 Sett och apparat for att forbettra diskriminering av detekterade signaler i en elektronisk detekteringsanleggning

Country Status (19)

Country Link
US (1) US3949293A (sv)
JP (1) JPS517954A (sv)
AR (1) AR204664A1 (sv)
AU (1) AU498275B2 (sv)
BE (1) BE829255A (sv)
BR (1) BR7503216A (sv)
CA (1) CA1060970A (sv)
DE (1) DE2523677A1 (sv)
DK (1) DK233975A (sv)
ES (1) ES437399A1 (sv)
FR (1) FR2273288A1 (sv)
GB (1) GB1505186A (sv)
IT (1) IT1038533B (sv)
LU (1) LU72552A1 (sv)
NL (1) NL7506305A (sv)
NO (1) NO751865L (sv)
SE (1) SE401954B (sv)
TR (1) TR19739A (sv)
ZA (1) ZA752757B (sv)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2412081A1 (fr) * 1977-12-19 1979-07-13 Fadico Dispositif de detection de la presence d'une piece mecanique, muni d'organes assurant la securite du fonctionnement vis-a-vis de defauts d'isolement dans le circuit du capteur
US4193028A (en) * 1978-05-05 1980-03-11 Honeywell Inc. Eddy current instrumentation circuitry for distinguishing flaw signals from spurious noise signals
GB2136580B (en) * 1983-03-16 1987-11-18 Thyssen Industrie Method and apparatus for determining the distance from a conductor
JPH0518715Y2 (sv) * 1987-12-15 1993-05-18

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2577827A (en) * 1945-10-30 1951-12-11 Charles B Tompkins Pulse recognition device
US2648766A (en) * 1950-04-19 1953-08-11 Rca Corp Pulse width discriminator
US3065412A (en) * 1958-12-23 1962-11-20 Union Carbide Corp Metal detector
US3523253A (en) * 1966-04-15 1970-08-04 Electronic Memories & Magnetic Coupling network
US3609563A (en) * 1968-11-12 1971-09-28 Coditron Corp Frequency detector
US3706027A (en) * 1971-07-13 1972-12-12 Karl R Grice Jr Materials counting system utilizing permanent magnets and their associated fields

Also Published As

Publication number Publication date
JPS517954A (sv) 1976-01-22
NO751865L (sv) 1975-12-01
GB1505186A (en) 1978-03-30
CA1060970A (en) 1979-08-21
DK233975A (da) 1975-11-29
ES437399A1 (es) 1977-01-16
AU498275B2 (en) 1979-03-01
BR7503216A (pt) 1976-04-20
BE829255A (fr) 1975-09-15
AU8077175A (en) 1976-11-04
IT1038533B (it) 1979-11-30
NL7506305A (nl) 1975-12-02
LU72552A1 (sv) 1975-10-08
DE2523677A1 (de) 1975-12-11
FR2273288A1 (sv) 1975-12-26
TR19739A (tr) 1979-10-25
SE401954B (sv) 1978-06-05
ZA752757B (en) 1976-04-28
US3949293A (en) 1976-04-06
AR204664A1 (es) 1976-02-20

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