NL6515146A - - Google Patents

Info

Publication number
NL6515146A
NL6515146A NL6515146A NL6515146A NL6515146A NL 6515146 A NL6515146 A NL 6515146A NL 6515146 A NL6515146 A NL 6515146A NL 6515146 A NL6515146 A NL 6515146A NL 6515146 A NL6515146 A NL 6515146A
Authority
NL
Netherlands
Application number
NL6515146A
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 FR998444A external-priority patent/FR1426247A/fr
Priority claimed from FR998445A external-priority patent/FR1426248A/fr
Priority claimed from FR34504A external-priority patent/FR88895E/fr
Application filed filed Critical
Publication of NL6515146A publication Critical patent/NL6515146A/xx

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B17/00Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
    • G01B17/02Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring thickness
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06GANALOGUE COMPUTERS
    • G06G7/00Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/16Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
    • G06G7/161Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division with pulse modulation, e.g. modulation of amplitude, width, frequency, phase or form
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06GANALOGUE COMPUTERS
    • G06G7/00Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/18Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals
    • G06G7/184Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals using capacitive elements

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
NL6515146A 1964-12-14 1965-11-22 NL6515146A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR998444A FR1426247A (fr) 1964-12-14 1964-12-14 Procédé et circuit de calcul analogique
FR998445A FR1426248A (fr) 1964-12-14 1964-12-14 Dispositif à ultra-sons pour mesurer l'épaisseur des objets
FR34504A FR88895E (fr) 1965-10-11 1965-10-11 Dispositif à ultrasons pour mesurer l'épaisseur des objets

Publications (1)

Publication Number Publication Date
NL6515146A true NL6515146A (pt) 1966-06-15

Family

ID=27242612

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6515146A NL6515146A (pt) 1964-12-14 1965-11-22

Country Status (4)

Country Link
CH (1) CH445136A (pt)
DE (1) DE1473849A1 (pt)
GB (1) GB1136602A (pt)
NL (1) NL6515146A (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8002888A (nl) * 1980-05-19 1981-12-16 Neratoom Stelsel voor het meten van de wanddikte van een meetobject.
DE3129943C2 (de) * 1981-07-29 1986-09-25 Naučno-proizvodstvennoe ob"edinenie po technologii mašinostroenija CNIITMAŠ, Moskau/Moskva Ultraschallprüfeinrichtung

Also Published As

Publication number Publication date
GB1136602A (en) 1968-12-11
CH445136A (fr) 1967-10-15
DE1473849A1 (de) 1968-12-05

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