CA2384831C - Dispositif et procede de detection de corps etrangers dans des produits - Google Patents

Dispositif et procede de detection de corps etrangers dans des produits Download PDF

Info

Publication number
CA2384831C
CA2384831C CA002384831A CA2384831A CA2384831C CA 2384831 C CA2384831 C CA 2384831C CA 002384831 A CA002384831 A CA 002384831A CA 2384831 A CA2384831 A CA 2384831A CA 2384831 C CA2384831 C CA 2384831C
Authority
CA
Canada
Prior art keywords
product
amplitude
phase information
signals
detection
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 - Lifetime
Application number
CA002384831A
Other languages
English (en)
Other versions
CA2384831A1 (fr
Inventor
Harald Merkel
Mikael Reimers
Christina Skjoldebrand
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.)
Food Radar System in Sweden AB
Original Assignee
Food Radar System in Sweden AB
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 SE9903348A external-priority patent/SE517315C2/sv
Application filed by Food Radar System in Sweden AB filed Critical Food Radar System in Sweden AB
Publication of CA2384831A1 publication Critical patent/CA2384831A1/fr
Application granted granted Critical
Publication of CA2384831C publication Critical patent/CA2384831C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/02—Food

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Geophysics And Detection Of Objects (AREA)
CA002384831A 1999-09-17 2000-09-14 Dispositif et procede de detection de corps etrangers dans des produits Expired - Lifetime CA2384831C (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
SE9903348-2 1999-09-17
SE9903348A SE517315C2 (sv) 1999-09-17 1999-09-17 Apparat och metod för detektering av främmande kroppar i produkter
US09/506,832 2000-02-18
US09/506,832 US6456093B1 (en) 1999-09-17 2000-02-18 Apparatus and method for detection of foreign bodies in products
PCT/SE2000/001783 WO2001020311A1 (fr) 1999-09-17 2000-09-14 Dispositif et procede de detection de corps etrangers dans des produits

Publications (2)

Publication Number Publication Date
CA2384831A1 CA2384831A1 (fr) 2001-03-22
CA2384831C true CA2384831C (fr) 2009-05-19

Family

ID=26663649

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002384831A Expired - Lifetime CA2384831C (fr) 1999-09-17 2000-09-14 Dispositif et procede de detection de corps etrangers dans des produits

Country Status (4)

Country Link
EP (1) EP1214581A1 (fr)
AU (1) AU770854B2 (fr)
CA (1) CA2384831C (fr)
WO (1) WO2001020311A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10100664A1 (de) 2001-01-09 2002-07-11 Hauni Maschinenbau Ag Verfahren zum Prüfen eines Produktionsmaterials
EP1853900A1 (fr) * 2005-02-18 2007-11-14 Food Radar System in Sweden AB Systeme et procede de detection de corps etrangers dans un produit
CN102621161B (zh) * 2012-03-31 2013-10-16 中国科学院长春应用化学研究所 一种材料性能参数获取方法
EP3598113B1 (fr) * 2017-03-17 2022-06-22 National Institute of Advanced Industrial Science and Technology Procédé de détection non destructif, dispositifs de détection non destructif et programme de détection non destructif
CN110161057B (zh) * 2019-05-09 2023-07-25 浙江浙能数字科技有限公司 一种基于微波收发器的输煤皮带上异物的检测装置及方法
CN111896559B (zh) * 2020-08-21 2022-11-25 爱德森（厦门）电子有限公司 一种隐形材料性能衰变点频式检测方法及其系统装置
CN116106334B (zh) * 2023-04-13 2023-06-09 中国民航大学 基于rfid的物品含水率无损检测方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4326163A (en) * 1980-01-30 1982-04-20 Brooke Robert L High speed bulk grain moisture measurement apparatus
SE449138B (sv) * 1984-06-27 1987-04-06 Stiftelsen Inst Mikrovags Forfarande jemte anordning for bestemning av mikrovagors dempning och/eller fasvridning vid transmission genom ett material
DE3531893A1 (de) * 1985-09-06 1987-03-19 Siemens Ag Verfahren zur bestimmung der verteilung der dielektrizitaetskonstanten in einem untersuchungskoerper sowie messanordnung zur durchfuehrung des verfahrens
DE3723606A1 (de) * 1987-07-17 1989-01-26 Kernforschungsz Karlsruhe Verfahren und vorrichtung zur analyse mittels mikrowellen
GB9122210D0 (en) * 1991-10-18 1991-11-27 Marconi Gec Ltd Method for measurement of the gas and water content in oil
JP3139874B2 (ja) * 1993-03-30 2001-03-05 株式会社東芝 濃度計
DE4311103A1 (de) * 1993-04-05 1994-10-06 Komi Koppelberg & Migl Kg Verfahren und Vorrichtung zum Erkennen von Fehlern bei Glaskörpern
NL9500018A (nl) * 1995-01-04 1996-08-01 Proval Beheer B V Inrichting voor het door middel van straling bepalen van de hoedanigheid van doorstraalbare lichamen.
US5886534A (en) * 1995-10-27 1999-03-23 The University Of Chicago Millimeter wave sensor for on-line inspection of thin sheet dielectrics
SE512315C2 (sv) * 1997-01-17 2000-02-28 Lars Baaaath Sätt att med radiovågsteknik kartlägga inhomogeniteter i trä
EP1017996B1 (fr) * 1997-09-25 2008-05-28 Jack R.. Little, Jr. Inspection non destructive de materiaux dielectriques
DE29719600U1 (de) * 1997-11-05 1998-01-02 RGI Industriemeßgeräte GmbH, 75323 Bad Wildbad Vorrichtung zur Erfassung von Inhomogenitäten, insbesondere von Fremdkörpern, in einer zu kontrollierenden Materialienschicht
JP2000111499A (ja) * 1998-10-02 2000-04-21 Toshiba Fa Syst Eng Corp マイクロ波濃度測定装置

Also Published As

Publication number Publication date
CA2384831A1 (fr) 2001-03-22
AU770854B2 (en) 2004-03-04
EP1214581A1 (fr) 2002-06-19
AU7568000A (en) 2001-04-17
WO2001020311A1 (fr) 2001-03-22

Similar Documents

Publication Publication Date Title
US6456093B1 (en) Apparatus and method for detection of foreign bodies in products
US7068050B2 (en) Moisture and density detector (MDD)
JP6253096B2 (ja) 電磁波特性評価装置
Pallav et al. Air-coupled ultrasonic evaluation of food materials
US5837896A (en) Detection of defects using resonant ultrasound spectroscopy at predicted high order modes
JP2002522786A (ja) ばらおよびパッケージ化されたタバコの湿分ならびに密度の非侵入性測定ならびに決定のための装置および方法
US7190176B2 (en) Analysis of variable-depth sample using a sweeping microwave signal
CA2384831C (fr) Dispositif et procede de detection de corps etrangers dans des produits
Lundgren et al. Predicting moisture content and density distribution of Scots pine by microwave scanning of sawn timber II: evaluation of models generated on a pixel level
US20110169505A1 (en) Systems for Transverse Electromagnetic Mode In-Situ Soil Testing
JP2019100912A (ja) 電磁波を用いた物質の同定装置、同定方法
US7679375B2 (en) System and method for detecting foreign objects in a product
CN110446919B (zh) 非破坏性检测方法和非破坏性检测装置
Farina et al. A feasibility study of a microwave imaging device for in-line food contamination monitoring
Freni et al. Assessment of eggs freshness by means of pulsed infrared thermography
CN113252709B (zh) 一种基于雷达技术的食品内部霉菌检测方法
Kittiamornkul Microwave-based moisture estimation by scanning for paddy inspection
US7982470B2 (en) Microwave probe device
ÇELİK AN OVERVIEW OF MICROWAVE NONDESTRUCTIVE TESTING (NDT) METHOD
Bogosanovic Electromagnetic sensing and sensor design with application in New Zealand industry
Steele et al. Estimating lumber strength with radio frequency scanning
Rashed et al. Developing an Interference-Free Non-Destructive Microwave Testing System for Liquid Samples
AU2003264180B2 (en) Analysis of variable-depth sample using a sweeping microwave signal
Kapilevich et al. Microwave Characterization of Composite Building Materials
JPH0444217B2 (fr)

Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20200914