FR1184151A - Appareil servant à détecter des discontinuités dans un objet conducteur de l'électricité - Google Patents

Appareil servant à détecter des discontinuités dans un objet conducteur de l'électricité

Info

Publication number
FR1184151A
FR1184151A FR1184151DA FR1184151A FR 1184151 A FR1184151 A FR 1184151A FR 1184151D A FR1184151D A FR 1184151DA FR 1184151 A FR1184151 A FR 1184151A
Authority
FR
France
Prior art keywords
electrically conductive
conductive object
detecting discontinuities
discontinuities
detecting
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
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.)
United States Steel Corp
Original Assignee
United States Steel 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 United States Steel Corp filed Critical United States Steel Corp
Application granted granted Critical
Publication of FR1184151A publication Critical patent/FR1184151A/fr
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
    • 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
    • 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
    • G01V3/104—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 using several coupled or uncoupled coils
    • G01V3/105—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 using several coupled or uncoupled coils forming directly coupled primary and secondary coils or loops
    • 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
    • G01V3/104—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 using several coupled or uncoupled coils
    • G01V3/105—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 using several coupled or uncoupled coils forming directly coupled primary and secondary coils or loops
    • G01V3/107—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 using several coupled or uncoupled coils forming directly coupled primary and secondary coils or loops using compensating coil or loop arrangements
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M1/00—Design features of general application
    • G06M1/08—Design features of general application for actuating the drive
    • G06M1/10—Design features of general application for actuating the drive by electric or magnetic means
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M7/00—Counting of objects carried by a conveyor
    • G06M7/02—Counting of objects carried by a conveyor wherein objects ahead of the sensing element are separated to produce a distinct gap between successive objects
    • G06M7/04—Counting of piece goods, e.g. of boxes

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Remote Sensing (AREA)
  • Theoretical Computer Science (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geophysics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Sorting Of Articles (AREA)
FR1184151D 1956-12-26 1957-10-09 Appareil servant à détecter des discontinuités dans un objet conducteur de l'électricité Expired FR1184151A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US630570A US3020472A (en) 1956-12-26 1956-12-26 Apparatus for detecting discontinuity in an electrical conducting object

Publications (1)

Publication Number Publication Date
FR1184151A true FR1184151A (fr) 1959-07-17

Family

ID=24527704

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1184151D Expired FR1184151A (fr) 1956-12-26 1957-10-09 Appareil servant à détecter des discontinuités dans un objet conducteur de l'électricité

Country Status (3)

Country Link
US (1) US3020472A (fr)
FR (1) FR1184151A (fr)
GB (1) GB872941A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2827677A1 (fr) * 2001-07-19 2003-01-24 Senstronic Sa Procede de detection d'un objet en un materiau conducteur et capteur correspondant

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3247453A (en) * 1961-03-09 1966-04-19 Api Instr Company Magnetic flaw detector with exciting and sensing coils axially aligned on opposite sides of the material
US3271664A (en) * 1961-12-04 1966-09-06 Magnaflux Corp Combined leakage field and eddy current detection system
US3156862A (en) * 1961-12-15 1964-11-10 Assembly Products Inc Electrical flaw detector apparatus having null plane positioned as well as electrically balanced coil arrangements
US3244970A (en) * 1961-12-15 1966-04-05 Assembly Products Inc Electrical circuits for sockets usable with pluggable modules for flaw detection
US3286168A (en) * 1962-12-18 1966-11-15 Shell Oil Co Apparatus for adjusting the amplitude and phase of pickup coils of eddy current instruments
US3328680A (en) * 1964-09-11 1967-06-27 Hancock Telecontrol Corp Magnetic detector for sensing the proximity of a metallic object
US3373856A (en) * 1966-01-18 1968-03-19 Canadian Patents Dev Method and apparatus for coin selection
US3324302A (en) * 1966-02-10 1967-06-06 Wightman Electronics Inc Defect sensing system for moving articles employing magnetic and radiative detector
US4029958A (en) * 1975-07-25 1977-06-14 Crown Cork & Seal Company, Inc. Apparatus for inspecting containers
EP0057972B1 (fr) * 1981-01-12 1986-10-08 Kabushiki Kaisha Toshiba Appareil pour la détection d'un ruban métallique encastré dans du papier
US4827216A (en) * 1987-03-25 1989-05-02 Grimson E G Differential triple-coil tester for wire rope with periodic lay effect cancellation
DE102004006680B3 (de) * 2004-02-09 2006-01-12 Balluff Gmbh Sensorvorrichtung zur Prüfung von Oberflächen
US9764452B2 (en) 2015-06-27 2017-09-19 Kevin Scott Koch Device and method for fastener element retention and installation

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2065118A (en) * 1932-08-13 1936-12-22 Steel And Tubes Inc Method and apparatus for testing metals for defects
GB476613A (en) * 1935-06-28 1937-12-13 Ladislaus Uermenyi Method of and device for measuring the thickness of foils
US2124579A (en) * 1937-01-30 1938-07-26 Steel And Tubes Inc Method of and apparatus for testing metallic articles
US2753520A (en) * 1946-03-23 1956-07-03 Schlumberger Well Surv Corp Methods and systems for maintaining alternating current networks in a reference condition
US2594947A (en) * 1946-10-30 1952-04-29 Brush Dev Co Magnetic testing apparatus
US2455792A (en) * 1948-01-29 1948-12-07 Republic Steel Corp Limiter circuit for electric testing apparatus
US2751150A (en) * 1952-06-06 1956-06-19 Velio S Buccicone Magnetic switching apparatus
US2918621A (en) * 1954-12-24 1959-12-22 Magnetic Analysis Corp Flaw detector for conducting materials

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2827677A1 (fr) * 2001-07-19 2003-01-24 Senstronic Sa Procede de detection d'un objet en un materiau conducteur et capteur correspondant
EP1293806A3 (fr) * 2001-07-19 2003-11-19 Senstronic (Société Anonyme) Procédé de détection d'un objet en un matériau conducteur et capteur correspondant

Also Published As

Publication number Publication date
GB872941A (en) 1961-07-12
US3020472A (en) 1962-02-06

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