FR1324485A - Perfectionnements aux détecteurs de défauts - Google Patents

Perfectionnements aux détecteurs de défauts

Info

Publication number
FR1324485A
FR1324485A FR895249A FR895249A FR1324485A FR 1324485 A FR1324485 A FR 1324485A FR 895249 A FR895249 A FR 895249A FR 895249 A FR895249 A FR 895249A FR 1324485 A FR1324485 A FR 1324485A
Authority
FR
France
Prior art keywords
fault detectors
detectors
fault
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
FR895249A
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston 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
Priority claimed from US104649A external-priority patent/US3158744A/en
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Priority to FR895249A priority Critical patent/FR1324485A/fr
Application granted granted Critical
Publication of FR1324485A publication Critical patent/FR1324485A/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
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/06—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption
    • G01N23/18—Investigating the presence of flaws defects or foreign matter
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/06—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption
    • G01N23/083—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption the radiation being X-rays

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Toxicology (AREA)
FR895249A 1961-04-21 1962-04-20 Perfectionnements aux détecteurs de défauts Expired FR1324485A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR895249A FR1324485A (fr) 1961-04-21 1962-04-20 Perfectionnements aux détecteurs de défauts

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US104649A US3158744A (en) 1961-04-21 1961-04-21 Flaw detection apparatus using two detectors to assure unbalance in a comparison circuit
FR895249A FR1324485A (fr) 1961-04-21 1962-04-20 Perfectionnements aux détecteurs de défauts

Publications (1)

Publication Number Publication Date
FR1324485A true FR1324485A (fr) 1963-04-19

Family

ID=26195331

Family Applications (1)

Application Number Title Priority Date Filing Date
FR895249A Expired FR1324485A (fr) 1961-04-21 1962-04-20 Perfectionnements aux détecteurs de défauts

Country Status (1)

Country Link
FR (1) FR1324485A (fr)

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