KR930010556A - 전자유도형 검사장치 및 검사방법 - Google Patents

전자유도형 검사장치 및 검사방법 Download PDF

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Publication number
KR930010556A
KR930010556A KR1019920021870A KR920021870A KR930010556A KR 930010556 A KR930010556 A KR 930010556A KR 1019920021870 A KR1019920021870 A KR 1019920021870A KR 920021870 A KR920021870 A KR 920021870A KR 930010556 A KR930010556 A KR 930010556A
Authority
KR
South Korea
Prior art keywords
electromotive force
change
magnetic field
induction
coil
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.)
Ceased
Application number
KR1019920021870A
Other languages
English (en)
Korean (ko)
Inventor
히로아기 고하마
가주히고 야소하마
Original Assignee
히로아기 고하마
가이세이 엔지니아 가부시기 가이샤
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 JP3306296A external-priority patent/JPH05142204A/ja
Priority claimed from JP31696991A external-priority patent/JPH05149923A/ja
Application filed by 히로아기 고하마, 가이세이 엔지니아 가부시기 가이샤 filed Critical 히로아기 고하마
Publication of KR930010556A publication Critical patent/KR930010556A/ko
Ceased legal-status Critical Current

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
    • 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
    • G01N27/9073—Recording measured data
    • G01N27/9086—Calibrating of recording device
    • 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
    • G01N27/904—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 with two or more sensors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
KR1019920021870A 1991-11-21 1992-11-20 전자유도형 검사장치 및 검사방법 Ceased KR930010556A (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP91-306296 1991-11-21
JP3306296A JPH05142204A (ja) 1991-11-21 1991-11-21 電磁誘導型検査装置
JP31696991A JPH05149923A (ja) 1991-11-29 1991-11-29 周波数位相変化による電磁誘導検査装置及びその検査方法
JP91-316969 1991-11-29

Publications (1)

Publication Number Publication Date
KR930010556A true KR930010556A (ko) 1993-06-22

Family

ID=26564655

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920021870A Ceased KR930010556A (ko) 1991-11-21 1992-11-20 전자유도형 검사장치 및 검사방법

Country Status (4)

Country Link
US (1) US5548214A (OSRAM)
EP (1) EP0543648A1 (OSRAM)
KR (1) KR930010556A (OSRAM)
TW (1) TW246734B (OSRAM)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100868085B1 (ko) * 2002-05-29 2008-11-10 주식회사 포스코 입도 선별기의 막힘 방지장치
KR101374937B1 (ko) * 2010-04-27 2014-03-14 도요타 지도샤（주） 와류 계측용 센서
KR20240067493A (ko) * 2022-11-09 2024-05-17 한국기계연구원 비접촉식 전계 발광을 이용한 자체발광 소자의 결함 검사 장치

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US6400146B1 (en) 2000-09-12 2002-06-04 Her Majesty The Queen In Right Of Canada As Represented By The Ministry Of Natural Resources Sensor head for ACFM based crack detection
DE10313766B4 (de) * 2003-03-22 2021-04-29 Hilti Aktiengesellschaft Handgeführtes Arbeitsgerät
US7674994B1 (en) * 2004-10-21 2010-03-09 Valerio Thomas A Method and apparatus for sorting metal
GB2462212B (en) * 2005-02-16 2010-05-12 Illinois Tool Works Metal detector
US8215898B2 (en) * 2005-08-25 2012-07-10 Ntn Corporation Turbine unit for refrigerating/cooling air cycle
US7659486B2 (en) * 2005-10-20 2010-02-09 Valerio Thomas A Method and apparatus for sorting contaminated glass
RU2008120598A (ru) * 2005-10-24 2009-12-10 Томас А. ВАЛЕРИО (US) Способ, система и устройства для сортировки разнородных материалов
JP4809039B2 (ja) 2005-11-07 2011-11-02 偕成エンジニア株式会社 電磁誘導型検査装置および電磁誘導型検査方法
ES2294924B1 (es) * 2006-04-07 2009-02-16 Universidad De Salamanca Metodo y aparato para medir la conductividad electrica asi como para efectuar una caracterizacion estructural y dimensional de muestras metalicas cilindricas por tecnicas inductivas.
EP2125253A4 (en) * 2007-01-05 2012-05-30 Thomas A Valerio SYSTEM AND METHOD FOR SORTING UNEQUAL MATERIALS
JP4998820B2 (ja) * 2007-03-14 2012-08-15 住友金属工業株式会社 渦流検査方法及び該渦流検査方法を実施するための渦流検査装置
AU2008241422B2 (en) * 2007-04-18 2012-05-03 Thomas A. Valerio Method and system for sorting and processing recycled materials
US7732726B2 (en) * 2008-04-03 2010-06-08 Valerio Thomas A System and method for sorting dissimilar materials using a dynamic sensor
EP2303462A4 (en) 2008-06-11 2014-01-01 Thomas A Valerio METHOD AND SYSTEM FOR RECYCLING METAL FROM PROCESSED RECYCLED MATERIALS
US20100013116A1 (en) * 2008-07-21 2010-01-21 Blyth Peter C Method and System for Removing Polychlorinated Biphenyls from Plastics
WO2010117363A1 (en) * 2009-04-09 2010-10-14 Michelin Recherche Et Technique, S.A. Tire metallic cable anomaly detection method and apparatus
AU2010241591A1 (en) * 2009-04-28 2011-11-24 Mtd America Ltd (Llc) Apparatus and method for separating materials using air
EP2456574A1 (en) * 2009-07-21 2012-05-30 Thomas A. Velerio Method and system for separating and recovering like-type materials from an electronic waste system
US8757523B2 (en) 2009-07-31 2014-06-24 Thomas Valerio Method and system for separating and recovering wire and other metal from processed recycled materials
EP2459324A1 (en) * 2009-07-31 2012-06-06 Thomas A. Velerio Method and system for separating and recovering wire and other metal from processed recycled materials
DE102010012356B4 (de) 2010-03-22 2021-04-29 Sew-Eurodrive Gmbh & Co Kg System zur berührungslosen Energieübertragung an ein Fahrzeug
US9778225B2 (en) * 2010-11-15 2017-10-03 Regents Of The University Of Minnesota Magnetic search coil for measuring real-time brownian relaxation of magnetic nanoparticles
DE102011104848A1 (de) * 2011-06-20 2012-12-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zur zerstörungsfreien Prüfung von metallischem Langgut sowie Verwendung der Vorrichtung
US9411017B2 (en) 2013-11-26 2016-08-09 General Electric Company Method for inspecting wye ring
KR101800597B1 (ko) * 2015-03-31 2017-11-22 닛신 세이코 가부시키가이샤 용융 도금 강판의 표면 결함 검사 장치 및 표면 결함 검사 방법
DE102015016831A1 (de) * 2015-12-28 2017-06-29 Haimer Gmbh Schrumpfgerät mit Heizkontrolle
CN114088771A (zh) * 2021-11-09 2022-02-25 衡阳镭目科技有限责任公司 检测极耳质量的方法和装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3576489A (en) * 1969-03-13 1971-04-27 J K Law Engineers Inc Phase detection and comparison apparatus for determining the phase derivative with respect to frequency of an eddy current test signal
US3686564A (en) * 1970-10-08 1972-08-22 Westinghouse Electric Corp Multiple frequency magnetic field technique for differentiating between classes of metal objects
US4079312A (en) * 1976-08-17 1978-03-14 Allegheny Ludlum Industries, Inc. Continuous testing method and apparatus for determining the magnetic characteristics of a strip of moving material, including flux inducing and pick-up device therefor
DE3274391D1 (en) * 1981-02-09 1987-01-08 Goring Kerr Ltd Metal detection apparatus
GB2109112A (en) * 1981-10-06 1983-05-25 Pantatron Systems Limited Eddy current test probe
SE430545B (sv) * 1982-04-01 1983-11-21 Asea Ab Anordning for detektering av metallforemal i ett materialflode
CA1212997A (fr) * 1983-12-16 1986-10-21 Gerard Durou Methode et systeme de test non destructif a courants de foucault utilisant un balayage en frequences
JPS6166958A (ja) * 1984-09-10 1986-04-05 Sumitomo Light Metal Ind Ltd 絶対値式渦流探傷装置
EP0211905B1 (en) * 1985-02-15 1990-10-03 The Broken Hill Proprietary Company Limited Classification of steel
US5017869A (en) * 1989-12-14 1991-05-21 General Electric Company Swept frequency eddy current system for measuring coating thickness

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100868085B1 (ko) * 2002-05-29 2008-11-10 주식회사 포스코 입도 선별기의 막힘 방지장치
KR101374937B1 (ko) * 2010-04-27 2014-03-14 도요타 지도샤（주） 와류 계측용 센서
KR20240067493A (ko) * 2022-11-09 2024-05-17 한국기계연구원 비접촉식 전계 발광을 이용한 자체발광 소자의 결함 검사 장치

Also Published As

Publication number Publication date
EP0543648A1 (en) 1993-05-26
US5548214A (en) 1996-08-20
TW246734B (OSRAM) 1995-05-01

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Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19921120

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Patent event code: PA02012R01D

Patent event date: 19921120

Comment text: Request for Examination of Application

PG1501 Laying open of application
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Comment text: Notification of reason for refusal

Patent event date: 19960621

Patent event code: PE09021S01D

E601 Decision to refuse application
PE0601 Decision on rejection of patent

Patent event date: 19961116

Comment text: Decision to Refuse Application

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Patent event date: 19960621

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