IT961389B - Apparecchio rivelatore di oggetti metallici utile in particolare in sistemi di sicurezza per banche aeroporti e simili - Google Patents

Apparecchio rivelatore di oggetti metallici utile in particolare in sistemi di sicurezza per banche aeroporti e simili

Info

Publication number
IT961389B
IT961389B IT5150872A IT5150872A IT961389B IT 961389 B IT961389 B IT 961389B IT 5150872 A IT5150872 A IT 5150872A IT 5150872 A IT5150872 A IT 5150872A IT 961389 B IT961389 B IT 961389B
Authority
IT
Italy
Prior art keywords
airport
security systems
metal object
object detector
equipment useful
Prior art date
Application number
IT5150872A
Other languages
English (en)
Original Assignee
Sperry Rand 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
Priority claimed from US00162884A external-priority patent/US3763424A/en
Application filed by Sperry Rand Corp filed Critical Sperry Rand Corp
Application granted granted Critical
Publication of IT961389B publication Critical patent/IT961389B/it

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
    • G01V3/104—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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
IT5150872A 1971-07-15 1972-07-12 Apparecchio rivelatore di oggetti metallici utile in particolare in sistemi di sicurezza per banche aeroporti e simili IT961389B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US00162884A US3763424A (en) 1971-07-15 1971-07-15 Metal detector for identifying and discriminating between objects of different size, shape, orientation and ferrous content and including an auto nulling circuit
US24022272A 1972-03-31 1972-03-31

Publications (1)

Publication Number Publication Date
IT961389B true IT961389B (it) 1973-12-10

Family

ID=26859141

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5150872A IT961389B (it) 1971-07-15 1972-07-12 Apparecchio rivelatore di oggetti metallici utile in particolare in sistemi di sicurezza per banche aeroporti e simili

Country Status (3)

Country Link
DE (1) DE2234701A1 (it)
FR (1) FR2145679A1 (it)
IT (1) IT961389B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006015050A1 (de) * 2006-03-31 2007-10-11 Rolls-Royce Deutschland Ltd & Co Kg Metallpartikeldetektorensystem
DE102009021804A1 (de) * 2009-05-18 2010-11-25 Gerd Reime Metalldetektor
DE102012013554A1 (de) * 2012-07-06 2014-01-09 Mesutronic Gerätebau GmbH Einrichtung zum Abgleich von Metallsuchspulen

Also Published As

Publication number Publication date
DE2234701A1 (de) 1973-02-01
FR2145679A1 (it) 1973-02-23

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