FR971234A - Measurement and control device - Google Patents

Measurement and control device

Info

Publication number
FR971234A
FR971234A FR971234DA FR971234A FR 971234 A FR971234 A FR 971234A FR 971234D A FR971234D A FR 971234DA FR 971234 A FR971234 A FR 971234A
Authority
FR
France
Prior art keywords
measurement
control device
control
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
French (fr)
Inventor
Gabriel-Felicien-Lou Duflot
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 filed Critical
Application granted granted Critical
Publication of FR971234A publication Critical patent/FR971234A/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
    • 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
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/001—Constructional details of gauge heads
FR971234D 1940-01-24 1940-01-24 Measurement and control device Expired FR971234A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR971234T 1940-01-24

Publications (1)

Publication Number Publication Date
FR971234A true FR971234A (en) 1951-01-15

Family

ID=9511785

Family Applications (1)

Application Number Title Priority Date Filing Date
FR971234D Expired FR971234A (en) 1940-01-24 1940-01-24 Measurement and control device

Country Status (1)

Country Link
FR (1) FR971234A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE937378C (en) * 1953-10-22 1956-01-05 Siemens Ag Method for measuring the layer thickness of galvanically applied surfaces
FR2703465A1 (en) * 1993-04-02 1994-10-07 Bosch Gmbh Robert Method and control probe for non-destructive testing of the surface of electrically conductive materials

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE937378C (en) * 1953-10-22 1956-01-05 Siemens Ag Method for measuring the layer thickness of galvanically applied surfaces
FR2703465A1 (en) * 1993-04-02 1994-10-07 Bosch Gmbh Robert Method and control probe for non-destructive testing of the surface of electrically conductive materials

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