ATE134538T1 - Metallnachweis - Google Patents

Metallnachweis

Info

Publication number
ATE134538T1
ATE134538T1 AT92310192T AT92310192T ATE134538T1 AT E134538 T1 ATE134538 T1 AT E134538T1 AT 92310192 T AT92310192 T AT 92310192T AT 92310192 T AT92310192 T AT 92310192T AT E134538 T1 ATE134538 T1 AT E134538T1
Authority
AT
Austria
Prior art keywords
predetermined point
metal
passing
image
electric circuit
Prior art date
Application number
AT92310192T
Other languages
English (en)
Inventor
Ian Hobson
Original Assignee
British Steel Plc
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 British Steel Plc filed Critical British Steel Plc
Application granted granted Critical
Publication of ATE134538T1 publication Critical patent/ATE134538T1/de

Links

Classifications

    • 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
    • G01V3/101—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 by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2273/00—Path parameters
    • B21B2273/18—Presence of product

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geophysics (AREA)
  • Electromagnetism (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Metal Rolling (AREA)
  • Glass Compositions (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Secondary Cells (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Geophysics And Detection Of Objects (AREA)
AT92310192T 1991-11-07 1992-11-06 Metallnachweis ATE134538T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919123664A GB9123664D0 (en) 1991-11-07 1991-11-07 Metal detection

Publications (1)

Publication Number Publication Date
ATE134538T1 true ATE134538T1 (de) 1996-03-15

Family

ID=10704236

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92310192T ATE134538T1 (de) 1991-11-07 1992-11-06 Metallnachweis

Country Status (4)

Country Link
EP (1) EP0541392B1 (de)
AT (1) ATE134538T1 (de)
DE (1) DE69208590T2 (de)
GB (1) GB9123664D0 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9410823B2 (en) * 2012-07-13 2016-08-09 Qualcomm Incorporated Systems, methods, and apparatus for detection of metal objects in a predetermined space

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2554575A (en) * 1944-03-07 1951-05-29 Anaconda Copper Mining Co Magnetic detector
US2547407A (en) * 1948-06-18 1951-04-03 Peyton J Nelson Apparatus for detecting metal objects on a moving belt
US3872964A (en) * 1972-05-19 1975-03-25 Scandia Packaging Mach Assembly for detecting irregular feed conditions
US4567410A (en) * 1984-12-03 1986-01-28 Continental Can Company, Inc. Capacitive article density monitor

Also Published As

Publication number Publication date
EP0541392A1 (de) 1993-05-12
DE69208590T2 (de) 1996-10-24
GB9123664D0 (en) 1992-01-02
EP0541392B1 (de) 1996-02-28
DE69208590D1 (de) 1996-04-04

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties