FR2455728A1 - Procede pour la reconnaissance automatique de la largeur, du contour superieur et des contours lateraux d'echantillons en forme de feuille ou de bande dans l'essai de materiaux aux ultrasons - Google Patents

Procede pour la reconnaissance automatique de la largeur, du contour superieur et des contours lateraux d'echantillons en forme de feuille ou de bande dans l'essai de materiaux aux ultrasons

Info

Publication number
FR2455728A1
FR2455728A1 FR8009895A FR8009895A FR2455728A1 FR 2455728 A1 FR2455728 A1 FR 2455728A1 FR 8009895 A FR8009895 A FR 8009895A FR 8009895 A FR8009895 A FR 8009895A FR 2455728 A1 FR2455728 A1 FR 2455728A1
Authority
FR
France
Prior art keywords
contour
sheet
width
test
automatic recognition
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.)
Withdrawn
Application number
FR8009895A
Other languages
English (en)
French (fr)
Inventor
Claus Gerken
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.)
Krautkraemer GmbH and Co
Krautkraemer GmbH
Original Assignee
Krautkraemer GmbH and Co
Krautkraemer GmbH
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 by Krautkraemer GmbH and Co, Krautkraemer GmbH filed Critical Krautkraemer GmbH and Co
Publication of FR2455728A1 publication Critical patent/FR2455728A1/fr
Withdrawn legal-status Critical Current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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/11—Analysing solids by measuring attenuation of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/4445—Classification of defects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02854—Length, thickness
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/044—Internal reflections (echoes), e.g. on walls or defects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/10—Number of transducers
    • G01N2291/102—Number of transducers one emitter, one receiver
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/26—Scanned objects
    • G01N2291/269—Various geometry objects

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Image Processing (AREA)
FR8009895A 1979-04-30 1980-04-30 Procede pour la reconnaissance automatique de la largeur, du contour superieur et des contours lateraux d'echantillons en forme de feuille ou de bande dans l'essai de materiaux aux ultrasons Withdrawn FR2455728A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2917510A DE2917510C2 (de) 1979-04-30 1979-04-30 Verfahren zur automatischen Erkennung der Breite, der Kopf- und der Seitenkonturen von blech- oder bandförmigen Prüfstücken bei der Werkstoffprüfung mit Ultraschall

Publications (1)

Publication Number Publication Date
FR2455728A1 true FR2455728A1 (fr) 1980-11-28

Family

ID=6069640

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8009895A Withdrawn FR2455728A1 (fr) 1979-04-30 1980-04-30 Procede pour la reconnaissance automatique de la largeur, du contour superieur et des contours lateraux d'echantillons en forme de feuille ou de bande dans l'essai de materiaux aux ultrasons

Country Status (6)

Country Link
JP (1) JPS55151208A (de)
BR (1) BR8002764A (de)
DE (1) DE2917510C2 (de)
FR (1) FR2455728A1 (de)
GB (1) GB2048482A (de)
IT (1) IT8048531A0 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2114758B (en) * 1982-02-05 1985-07-31 Rolls Royce Ultrasonic flaw detector signal analyser
WO1984004961A1 (en) * 1983-06-06 1984-12-20 Matsushita Electric Ind Co Ltd Apparatus for detecting position of object being measured
DE3606363C2 (de) * 1986-02-27 1995-04-13 Vulkan Kocks Gmbh Einrichtung zur Bestimmung der Lage eines Fahrzeugs relativ zu einer Container-Hebevorrichtung
DK163451C (da) * 1987-08-05 1992-07-20 Eskofot As Fremgangsmaade til detektion af isaer tynde folier
US4850232A (en) * 1988-04-15 1989-07-25 Eastman Kodak Company System for measuring the dimensions of a workpiece

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3380293A (en) * 1965-05-20 1968-04-30 John H. Murphy Ultrasonic inspection apparatus
CH591677A5 (de) * 1974-12-11 1977-09-30 Semperit Ag

Also Published As

Publication number Publication date
GB2048482A (en) 1980-12-10
DE2917510A1 (de) 1980-11-27
BR8002764A (pt) 1980-12-16
DE2917510C2 (de) 1982-12-23
IT8048531A0 (it) 1980-04-28
JPS55151208A (en) 1980-11-25

Similar Documents

Publication Publication Date Title
FR2475224B1 (fr) Cuve, appareil et procede pour l'analyse spectroscopique d'echantillons fluides
BE878687A (fr) Procede d'analyse pour determiner directement la concentration d'un composant libre dans un echantillon
JPH0274863A (ja) アッセイ用のスライド式試験装置
FR2344021A1 (fr) Procede et dispositif pour la determination de la teneur d'alcool dans l'air respiratoire
FR2405366A1 (fr) Perfectionnements aux dispositifs de deviation d'ecoulement
FR2490826B1 (fr) Procede pour la mesure de la thyroxine libre ou de la 3,5,3'-triiodothyronine libre dans un echantillon liquide
FR2455728A1 (fr) Procede pour la reconnaissance automatique de la largeur, du contour superieur et des contours lateraux d'echantillons en forme de feuille ou de bande dans l'essai de materiaux aux ultrasons
BE849183A (fr) Cuve a plusieurs chambres, notamment pour l'analyse automatique d'echantillons biologiques liquides
ATE125572T1 (de) Immunodiagnostisches verfahren zum nachweis und zur bestimmung von euterentzündung.
ATE324781T1 (de) Vorrichtung zur automatischen milchaussonderung
CH555049A (de) Verfahren zur potentiometrischen analyse eines probenstroms und vorrichtung zur durchfuehrung des verfahrens.
US4449398A (en) Sheet property sensor with sheet wrinkle remover
BE859039A (fr) Procede d'essai de matiere aux ultra-sons a l'aide d'un transducteur acoustique electrodynamique
BE884778A (fr) Dispositif pour souder ensemble des bandes superposees en matiere thermoplastique.
BE799117A (fr) Dispositif et procede pour le fonctionnement ameliore d'un colorimetre ou d'un appareil d'analyse optique similaire,
KR930008460A (ko) 여과막을 통한 제어된 흐름을 이용하여 특이 결합 리간드를 분석하는 방법, 시험장치 및 키트
ATE19691T1 (de) Vorrichtung zur beruehrungslosen messtechnischen echtzeiterfassung der den trenn- bzw. spaltprozess von fluessigkeitsvolumen bzw. fluessigkeitsschichten in walzenspalten von druckmaschinen charakterisierenden eigenschaften bzw. grossen.
DE59905684D1 (de) Verfahren und vorrichtung zur verminderung des volumens oder drucks eines fluids, das von sich bewegenden oberflächen in einen spalt eingeschleppt wird
JPH0252978B2 (de)
CA2039108A1 (en) Method and apparatus for detecting trace contaminents
EP0017168A3 (de) Zusatzvorrichtung für Schiffe zum Aufnehmen von Öl von einer Wasseroberfläche
FR2346702A1 (fr) Procede et dispositif pour mesurer la tension d'une bande ou d'une feuille de papier et similaire
EP0065831A3 (de) Verfahren und Vorrichtung zur Ermittlung der Viskosität einer Flüssigkeitsprobe im Vergleich zu einer Referenzflüssigkeit
ES2185111T3 (es) Diagnostico de trastornos neurodegenerativos.
FR2307647A1 (fr) Procede d'assemblage de pieces a base de caoutchouc, de complexe caoutchouc p.v.c. ou de p.v.c. et appareil pour la mise en oeuvre du procede

Legal Events

Date Code Title Description
ST Notification of lapse