FR2272396A1 - Circuit detecting defects in magnetic objects - has capacitor maintaining constant pick-up signal voltage lag - Google Patents

Circuit detecting defects in magnetic objects - has capacitor maintaining constant pick-up signal voltage lag

Info

Publication number
FR2272396A1
FR2272396A1 FR7418071A FR7418071A FR2272396A1 FR 2272396 A1 FR2272396 A1 FR 2272396A1 FR 7418071 A FR7418071 A FR 7418071A FR 7418071 A FR7418071 A FR 7418071A FR 2272396 A1 FR2272396 A1 FR 2272396A1
Authority
FR
France
Prior art keywords
capacitor
signal
signal voltage
detecting defects
circuit 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.)
Granted
Application number
FR7418071A
Other languages
English (en)
Other versions
FR2272396B1 (fr
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.)
Telemecanique SA
Original Assignee
La Telemecanique Electrique SA
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 La Telemecanique Electrique SA filed Critical La Telemecanique Electrique SA
Priority to FR7418071A priority Critical patent/FR2272396A1/fr
Publication of FR2272396A1 publication Critical patent/FR2272396A1/fr
Application granted granted Critical
Publication of FR2272396B1 publication Critical patent/FR2272396B1/fr
Granted legal-status Critical Current

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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Electrochemistry (AREA)
  • Biochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
FR7418071A 1974-05-24 1974-05-24 Circuit detecting defects in magnetic objects - has capacitor maintaining constant pick-up signal voltage lag Granted FR2272396A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7418071A FR2272396A1 (en) 1974-05-24 1974-05-24 Circuit detecting defects in magnetic objects - has capacitor maintaining constant pick-up signal voltage lag

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7418071A FR2272396A1 (en) 1974-05-24 1974-05-24 Circuit detecting defects in magnetic objects - has capacitor maintaining constant pick-up signal voltage lag

Publications (2)

Publication Number Publication Date
FR2272396A1 true FR2272396A1 (en) 1975-12-19
FR2272396B1 FR2272396B1 (fr) 1977-03-11

Family

ID=9139223

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7418071A Granted FR2272396A1 (en) 1974-05-24 1974-05-24 Circuit detecting defects in magnetic objects - has capacitor maintaining constant pick-up signal voltage lag

Country Status (1)

Country Link
FR (1) FR2272396A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2582905A1 (fr) * 1985-06-07 1986-12-12 Agot Aime Dispositif de detection pour animaux.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2582905A1 (fr) * 1985-06-07 1986-12-12 Agot Aime Dispositif de detection pour animaux.

Also Published As

Publication number Publication date
FR2272396B1 (fr) 1977-03-11

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Legal Events

Date Code Title Description
ST Notification of lapse