DE3850625D1 - System für Feststellung von verstreutem Metall in Waren. - Google Patents

System für Feststellung von verstreutem Metall in Waren.

Info

Publication number
DE3850625D1
DE3850625D1 DE3850625T DE3850625T DE3850625D1 DE 3850625 D1 DE3850625 D1 DE 3850625D1 DE 3850625 T DE3850625 T DE 3850625T DE 3850625 T DE3850625 T DE 3850625T DE 3850625 D1 DE3850625 D1 DE 3850625D1
Authority
DE
Germany
Prior art keywords
goods
detection system
metal detection
scattered metal
scattered
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.)
Expired - Fee Related
Application number
DE3850625T
Other languages
English (en)
Other versions
DE3850625T2 (de
Inventor
Takashi Abe
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.)
Anritsu Corp
Original Assignee
Anritsu Corp
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 Anritsu Corp filed Critical Anritsu Corp
Publication of DE3850625D1 publication Critical patent/DE3850625D1/de
Application granted granted Critical
Publication of DE3850625T2 publication Critical patent/DE3850625T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
    • G01V3/104—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils using several coupled or uncoupled coils
    • G01V3/105—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils using several coupled or uncoupled coils forming directly coupled primary and secondary coils or loops
    • G01V3/107—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils using several coupled or uncoupled coils forming directly coupled primary and secondary coils or loops using compensating coil or loop arrangements
DE3850625T 1987-08-25 1988-08-17 System für Feststellung von verstreutem Metall in Waren. Expired - Fee Related DE3850625T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62212407A JPS6454281A (en) 1987-08-25 1987-08-25 Metal detecting apparatus

Publications (2)

Publication Number Publication Date
DE3850625D1 true DE3850625D1 (de) 1994-08-18
DE3850625T2 DE3850625T2 (de) 1995-01-19

Family

ID=16622075

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3850625T Expired - Fee Related DE3850625T2 (de) 1987-08-25 1988-08-17 System für Feststellung von verstreutem Metall in Waren.

Country Status (5)

Country Link
US (1) US4949037A (de)
EP (1) EP0308073B1 (de)
JP (1) JPS6454281A (de)
KR (1) KR900005621B1 (de)
DE (1) DE3850625T2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2230611B (en) * 1989-03-30 1993-02-03 Cintex Ltd Product monitoring
JPH0820523B2 (ja) * 1989-03-31 1996-03-04 アンリツ株式会社 金属検出方法
GB8920412D0 (en) * 1989-09-08 1989-10-25 Ca Atomic Energy Ltd Metal detecting system
JP3029657B2 (ja) * 1990-09-28 2000-04-04 カヤバ工業株式会社 位置検出装置
JP2533409B2 (ja) * 1990-11-30 1996-09-11 株式会社小松製作所 検出コイルの出力信号処理装置
IT1260208B (it) * 1992-11-19 1996-04-02 Giovanni Manneschi Metal detector perfezionato
ES2078852B1 (es) * 1993-08-02 1996-07-16 Azkoyen Ind Sa "procedimiento y dispositivo para la medicion y caracterizacion, a alta velocidad, de materiales magneticos"
US5659247A (en) * 1994-03-10 1997-08-19 Denver Dynamics, Inc. Device for detecting metal objects passing through an opening
US5721489A (en) * 1995-10-06 1998-02-24 Garrett Electronics, Inc. Metal detector method for identifying target size
JPH11295439A (ja) * 1998-04-07 1999-10-29 Ishida Co Ltd 異物検出機および異物検出システム
US6479993B1 (en) * 1999-06-30 2002-11-12 Ishida Co., Ltd. Method of detecting foreign matter and apparatus therefor
GB0000566D0 (en) * 2000-01-12 2000-03-01 Willett Int Ltd Apparatus and method
DE10011230C9 (de) * 2000-03-08 2006-05-04 Mesutronic Gerätebau GmbH Auswerteeinrichtung für ein Metallsuchgerät
CN1865952B (zh) * 2005-05-18 2010-10-13 上海高晶金属探测设备有限公司 可存储工业用金属探测器
JP4807281B2 (ja) * 2006-11-27 2011-11-02 トヨタ自動車株式会社 焼入パターン検査方法及び検査装置
US7893690B2 (en) * 2007-07-19 2011-02-22 Carnes Company, Inc. Balancing circuit for a metal detector
CN101650442B (zh) * 2009-09-15 2012-06-13 合肥安大电子检测技术有限公司 智能杂质金属检测系统及其检测方法
EP2439560B1 (de) * 2010-10-07 2013-05-29 Mettler-Toledo Safeline Limited Verfahren für den Betrieb eines Metalldetektionssystems und Metalldetektionssystem
US9383439B2 (en) 2013-06-27 2016-07-05 The United States of America as represented by the Federal Bureau of Investigation, Dept. of Justice Detection of conductive material in a thin film

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2468133A1 (fr) * 1979-10-22 1981-04-30 Clausin Jacques Dispositif permettant de detecter dans les solides, des liquides ou des gaz les particules metalliques incluses, de les localiser et d'en determiner la taille
US4325027A (en) * 1979-11-28 1982-04-13 Compass Electronics Metal detector for locating objects with full sensitivity in the presence of distributed mineral material
JPS6078378A (ja) * 1983-10-05 1985-05-04 Anritsu Corp 金属検出装置
US4651094A (en) * 1984-07-16 1987-03-17 John Wallace Accuracy control subsystem
GB8517257D0 (en) * 1985-07-08 1985-08-14 Goring Kerr Plc Metal detector
US4677384A (en) * 1985-09-19 1987-06-30 Teknetics, Inc. Target-identifying metal detector

Also Published As

Publication number Publication date
EP0308073B1 (de) 1994-07-13
KR890004164A (ko) 1989-04-20
DE3850625T2 (de) 1995-01-19
KR900005621B1 (ko) 1990-07-31
JPS6454281A (en) 1989-03-01
US4949037A (en) 1990-08-14
EP0308073A3 (en) 1990-03-07
EP0308073A2 (de) 1989-03-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee