DE1473849A1 - Ultraschallgeraet zur Messung der Dicke von Gegenstaenden - Google Patents

Ultraschallgeraet zur Messung der Dicke von Gegenstaenden

Info

Publication number
DE1473849A1
DE1473849A1 DE19651473849 DE1473849A DE1473849A1 DE 1473849 A1 DE1473849 A1 DE 1473849A1 DE 19651473849 DE19651473849 DE 19651473849 DE 1473849 A DE1473849 A DE 1473849A DE 1473849 A1 DE1473849 A1 DE 1473849A1
Authority
DE
Germany
Prior art keywords
pulse
duration
circuit
transistor
whose
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.)
Pending
Application number
DE19651473849
Other languages
German (de)
English (en)
Inventor
Roger Charbonnier
Clement Picot
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.)
Rochar Electronique SA
Original Assignee
Rochar Electronique 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 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 by Rochar Electronique SA filed Critical Rochar Electronique SA
Publication of DE1473849A1 publication Critical patent/DE1473849A1/de
Pending legal-status Critical Current

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
    • G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
    • G06G7/161—Arrangements 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
    • 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
    • G06G7/18—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals
    • G06G7/184—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals using capacitive elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (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)
DE19651473849 1964-12-14 1965-12-11 Ultraschallgeraet zur Messung der Dicke von Gegenstaenden Pending DE1473849A1 (de)

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
DE1473849A1 true DE1473849A1 (de) 1968-12-05

Family

ID=27242612

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19651473849 Pending DE1473849A1 (de) 1964-12-14 1965-12-11 Ultraschallgeraet zur Messung der Dicke von Gegenstaenden

Country Status (4)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3119343A1 (de) * 1980-05-19 1982-04-22 Besloten Vennootschap met beperkte aansprakelijkheid Neratoom, 's-Gravenhage "system zum messen der wanddicke eines messobjektes"
DE3129943A1 (de) * 1981-07-29 1983-02-17 Naučno-proizvodstvennoe ob"edinenie po technologii mašinostroenija CNIITMAŠ, Moskva Einrichtung zur ultraschallpruefung von erzeugnissen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3119343A1 (de) * 1980-05-19 1982-04-22 Besloten Vennootschap met beperkte aansprakelijkheid Neratoom, 's-Gravenhage "system zum messen der wanddicke eines messobjektes"
DE3129943A1 (de) * 1981-07-29 1983-02-17 Naučno-proizvodstvennoe ob"edinenie po technologii mašinostroenija CNIITMAŠ, Moskva Einrichtung zur ultraschallpruefung von erzeugnissen

Also Published As

Publication number Publication date
GB1136602A (en) 1968-12-11
CH445136A (fr) 1967-10-15
NL6515146A (enrdf_load_stackoverflow) 1966-06-15

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