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 FR998445A external-priority patent/FR1426248A/fr
Priority claimed from FR998444A external-priority patent/FR1426247A/fr
Priority claimed from FR34504A external-priority patent/FR88895E/fr
Application filed filed Critical
Publication of NL6515146A publication Critical patent/NL6515146A/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
    • G01B17/02—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring thickness
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor
    • G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor for multiplication or division
    • G06G7/161—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor for multiplication or division with pulse modulation, e.g. modulation of amplitude, width, frequency, phase or form
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor
    • G06G7/18—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor for integration or differentiation; for forming integrals
    • G06G7/184—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor 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 (cg-RX-API-DMAC7.html)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR998445A FR1426248A (fr) 1964-12-14 1964-12-14 Dispositif à ultra-sons pour mesurer l'épaisseur des objets
FR998444A FR1426247A (fr) 1964-12-14 1964-12-14 Procédé et circuit de calcul analogique
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 (cg-RX-API-DMAC7.html) 1966-06-15

Family

ID=27242612

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6515146A NL6515146A (cg-RX-API-DMAC7.html) 1964-12-14 1965-11-22

Country Status (4)

Country Link
CH (1) CH445136A (cg-RX-API-DMAC7.html)
DE (1) DE1473849A1 (cg-RX-API-DMAC7.html)
GB (1) GB1136602A (cg-RX-API-DMAC7.html)
NL (1) NL6515146A (cg-RX-API-DMAC7.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4398420A (en) 1980-05-19 1983-08-16 B.V. Neratoom System for measuring the wall thickness of an object

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3129943C2 (de) * 1981-07-29 1986-09-25 Naučno-proizvodstvennoe ob"edinenie po technologii mašinostroenija CNIITMAŠ, Moskau/Moskva Ultraschallprüfeinrichtung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4398420A (en) 1980-05-19 1983-08-16 B.V. Neratoom System for measuring the wall thickness of an object

Also Published As

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

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