SE8703555D0 - Dynamisk kompensation vid anvendande av flera givare - Google Patents

Dynamisk kompensation vid anvendande av flera givare

Info

Publication number
SE8703555D0
SE8703555D0 SE8703555A SE8703555A SE8703555D0 SE 8703555 D0 SE8703555 D0 SE 8703555D0 SE 8703555 A SE8703555 A SE 8703555A SE 8703555 A SE8703555 A SE 8703555A SE 8703555 D0 SE8703555 D0 SE 8703555D0
Authority
SE
Sweden
Prior art keywords
transducers
transducer
signal
test object
resultant
Prior art date
Application number
SE8703555A
Other languages
Unknown language ( )
English (en)
Other versions
SE467711B (sv
SE8703555L (sv
Inventor
Bengt Hjalmar Tornblom
Original Assignee
Bengt Hjalmar Tornblom
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 SE8700472A external-priority patent/SE467710B/sv
Application filed by Bengt Hjalmar Tornblom filed Critical Bengt Hjalmar Tornblom
Priority to SE8703555A priority Critical patent/SE467711B/sv
Publication of SE8703555D0 publication Critical patent/SE8703555D0/sv
Priority to EP88101363A priority patent/EP0279258A1/en
Priority to JP8827373A priority patent/JPS6473249A/ja
Publication of SE8703555L publication Critical patent/SE8703555L/sv
Priority to US07/434,504 priority patent/US5111412A/en
Publication of SE467711B publication Critical patent/SE467711B/sv

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
    • G01N27/9013—Arrangements for scanning
    • 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
    • G01N27/9006—Details, e.g. in the structure or functioning of sensors
    • 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
    • G01N27/9013—Arrangements for scanning
    • G01N27/902—Arrangements for scanning by moving the sensors
    • G01N27/9033—
    • 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
SE8703555A 1987-02-09 1987-09-15 Anordning foer maetning/provning med virvelstroemsteknik medelst flera dynamiskt kompenserade givare SE467711B (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE8703555A SE467711B (sv) 1987-02-09 1987-09-15 Anordning foer maetning/provning med virvelstroemsteknik medelst flera dynamiskt kompenserade givare
EP88101363A EP0279258A1 (en) 1987-02-09 1988-01-30 Device for control and/or measurement of test objects
JP8827373A JPS6473249A (en) 1987-02-09 1988-02-08 Dynamic compensation and simulation
US07/434,504 US5111412A (en) 1987-02-09 1989-11-09 Composite sensing transducer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8700472A SE467710B (sv) 1987-02-09 1987-02-09 Provanordning som utnyttjar succesiv inkoppling av givare och vektortransformationsteknik
SE8703555A SE467711B (sv) 1987-02-09 1987-09-15 Anordning foer maetning/provning med virvelstroemsteknik medelst flera dynamiskt kompenserade givare

Publications (3)

Publication Number Publication Date
SE8703555D0 true SE8703555D0 (sv) 1987-09-15
SE8703555L SE8703555L (sv) 1988-08-10
SE467711B SE467711B (sv) 1992-08-31

Family

ID=26659689

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8703555A SE467711B (sv) 1987-02-09 1987-09-15 Anordning foer maetning/provning med virvelstroemsteknik medelst flera dynamiskt kompenserade givare

Country Status (4)

Country Link
US (1) US5111412A (sv)
EP (1) EP0279258A1 (sv)
JP (1) JPS6473249A (sv)
SE (1) SE467711B (sv)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2262607B (en) * 1991-12-20 1996-06-26 Millstrong Ltd Probe
EP0518635B1 (en) * 1991-06-11 2003-05-21 Newt Holdings Limited Probe
CA2076205C (en) * 1992-08-14 1999-04-20 Valentino S. Cecco Differential transmit-receive eddy current probe incorporating bracelets of multi-coil units
US5508611A (en) * 1994-04-25 1996-04-16 General Motors Corporation Ultrathin magnetoresistive sensor package
EP0743508A2 (en) * 1995-05-16 1996-11-20 Mitutoyo Corporation Induced current position transducer
US5973494A (en) * 1996-05-13 1999-10-26 Mitutoyo Corporation Electronic caliper using a self-contained, low power inductive position transducer
US6002250A (en) * 1996-05-13 1999-12-14 Mitutoyo Corporation Electronic linear scale using a self-contained, low-power inductive position transducer
FR2758393B1 (fr) * 1997-01-10 1999-10-15 Commissariat Energie Atomique Sonde a courants de foucault
US5886519A (en) * 1997-01-29 1999-03-23 Mitutoyo Corporation Multi-scale induced current absolute position transducer
FR2874698B1 (fr) * 2004-08-27 2007-04-06 Centre Nat Rech Scient Cnrse Systeme et procede de detection de defaut dans une piece conductrice ou magnetique
US7626383B1 (en) 2005-04-25 2009-12-01 Innovative Materials Testing Technologies, Inc. Apparatus and method for holding a rotatable eddy-current magnetic probe, and for rotating the probe around a boundary
US7560920B1 (en) * 2005-10-28 2009-07-14 Innovative Materials Testing Technologies, Inc. Apparatus and method for eddy-current scanning of a surface to detect cracks and other defects
KR102130372B1 (ko) * 2013-02-02 2020-07-06 나우라 아크리온 인코포레이티드 음향 에너지를 이용하여 기판을 처리하기 위한 시스템
DE102013216019A1 (de) * 2013-08-13 2015-02-19 Magnetische Prüfanlagen Gmbh Mehrschicht-Wirbelstromsonde, Verfahren zur Herstellung einer Mehrschicht-Wirbelstromsonde und Prüfgerät mit Mehrschicht-Wirbelstromsonde
JP6594065B2 (ja) * 2015-07-02 2019-10-23 株式会社日立ビルシステム ロープ検査装置、および、ロープ検査システム
US11004708B2 (en) * 2016-10-28 2021-05-11 Applied Materials, Inc. Core configuration with alternating posts for in-situ electromagnetic induction monitoring system
CN111595936A (zh) * 2020-05-07 2020-08-28 天津舜捷安科技有限公司 一种中低频电磁涡流在线监检测系统和检测方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1586891A (sv) * 1968-07-12 1970-03-06
NL169956C (nl) * 1971-03-31 1982-09-16 Univ Erasmus Inrichting voor diagnostisch onderzoek met ultrageluidsbundels.
US3784805A (en) * 1972-10-04 1974-01-08 Us Navy Sonar image converter
US4092867A (en) * 1977-02-10 1978-06-06 Terrance Matzuk Ultrasonic scanning apparatus
FR2512959A1 (fr) * 1981-09-14 1983-03-18 Commissariat Energie Atomique Procede et dispositifs de controle d'une surface au moyen d'un capteur a courants de foucault
BE892243A (fr) * 1982-02-23 1982-06-16 Dev Et D Industrialisation Des Appareil de controle par courants de foucault a moyens d'equilibrage electroniques.
SE8302738L (sv) * 1983-05-16 1984-11-17 Bengt Hjalmar Tornblom Anordning och/eller sett baserad pa frekvensvalsprincip
SE456043B (sv) * 1984-02-10 1988-08-29 Bengt Hjalmar Tornblom Sett och anordning for provning och/eller metning av elektriskt ledande provobjekt med avseende pa forendringar

Also Published As

Publication number Publication date
SE467711B (sv) 1992-08-31
US5111412A (en) 1992-05-05
JPS6473249A (en) 1989-03-17
SE8703555L (sv) 1988-08-10
EP0279258A1 (en) 1988-08-24

Similar Documents

Publication Publication Date Title
SE8703555L (sv) Dynamisk kompensation vid anvendande av flera givare
MY119234A (en) Semiconductor parallel tester
GB8823795D0 (en) Testing device & method of determining uncertainty of measurement of coordinate-measuring instruments
FR2417781A1 (fr) Appareil automatique d'essais de flutes de prospection sismique
DE3788940D1 (de) Radargerät zum Messen seiner Entfernung zu einem Objekt.
ATE233899T1 (de) Verfahren zur geschwindigkeitsmessung mit kombination von zeitintervallmessung und korrelation
IE43675L (en) Device for measuring the thickness of a layer
DE69230756T2 (de) Verfahren und anordnung zur erweiterung des dynamikbereiches bei messungen, die mit einem richtkoppler durchgeführt werden
ATE243838T1 (de) Verfahren und vorrichtung zur vergrösserung des messbereichs von speckle-messsystemen bei dehnungsmessungen
PT71535A (fr) Procede et dispositif pour la mesure du niveau de la l'appreciation de son etat physique
GB1422563A (en) Measuring the degree of dirt accumulation on an article
US3531977A (en) Electronic device for calibrating and referencing ultrasonic instruments
SE8700472L (sv) Anordning och/eller sett for simulering av givarrorelse
FR2441176A1 (fr) Procede et montage pour la mesure de l'affaiblissement et notamment pour la determination de la distorsion d'affaiblissement et/ou de la distorsion de temps de propagation de groupe d'un objet de mesure
GB1207385A (en) Improvements in or relating to flaw detection
SU851255A1 (ru) Устройство дл измерени харак-ТЕРиСТиК пРипОВЕРХНОСТНОгО АэРиРО-ВАННОгО СлО МОР
Chapman An integrated model of ultrasonic NDT and its practical application
SU1516963A1 (ru) Способ калибровки измерительных преобразователей акустической эмиссии
ATE130091T1 (de) Methode zum messen einer aufschäumung.
Shcherbinskii Automatic echo-strength measuring instrument for ultrasonic inspection equipment
GB2086589B (en) Electrical transducer for testing for straightness and evenness
JPS5552906A (en) Tester
Voigt et al. Test of a Developed Transmitter for Measuring the Passive Dampness According to ZKS-Guideline R 18-79
Neumann et al. The Detection of Corrosion(Spongiosis) on the Inside Surface of Grey Cast-Iron Tubes by Means of Computer-Aided Ultrasonic Testing Equipment(ABAKUS)
SU1415179A1 (ru) Способ определени координат источников акустической эмиссии

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 8703555-6

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 8703555-6

Format of ref document f/p: F