IT966496B - IMPROVEMENT IN DEVICES FOR THE DETECTION OF THE RELATIVE MOTION OF METALLIC OBJECTS - Google Patents

IMPROVEMENT IN DEVICES FOR THE DETECTION OF THE RELATIVE MOTION OF METALLIC OBJECTS

Info

Publication number
IT966496B
IT966496B IT53581/72A IT5358172A IT966496B IT 966496 B IT966496 B IT 966496B IT 53581/72 A IT53581/72 A IT 53581/72A IT 5358172 A IT5358172 A IT 5358172A IT 966496 B IT966496 B IT 966496B
Authority
IT
Italy
Prior art keywords
improvement
detection
devices
relative motion
metallic objects
Prior art date
Application number
IT53581/72A
Other languages
Italian (it)
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
Application filed by Sperry Rand Corp filed Critical Sperry Rand Corp
Application granted granted Critical
Publication of IT966496B publication Critical patent/IT966496B/en

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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S56/00—Harvesters
    • Y10S56/15—Condition responsive

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Electromagnetism (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Controlling Sheets Or Webs (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Harvesting Machines For Root Crops (AREA)
IT53581/72A 1971-10-29 1972-10-24 IMPROVEMENT IN DEVICES FOR THE DETECTION OF THE RELATIVE MOTION OF METALLIC OBJECTS IT966496B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19384671A 1971-10-29 1971-10-29

Publications (1)

Publication Number Publication Date
IT966496B true IT966496B (en) 1974-02-11

Family

ID=22715259

Family Applications (1)

Application Number Title Priority Date Filing Date
IT53581/72A IT966496B (en) 1971-10-29 1972-10-24 IMPROVEMENT IN DEVICES FOR THE DETECTION OF THE RELATIVE MOTION OF METALLIC OBJECTS

Country Status (6)

Country Link
US (1) US3757501A (en)
CA (1) CA1001256A (en)
DE (3) DE2265770C2 (en)
FR (1) FR2158004B1 (en)
GB (1) GB1343556A (en)
IT (1) IT966496B (en)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3757501A (en) * 1971-10-29 1973-09-11 Sperry Rand Corp Static magnetic field metal detector
US3896608A (en) * 1973-06-25 1975-07-29 Sperry Rand Corp Static magnetic field metal detector
US3959953A (en) * 1974-12-04 1976-06-01 Sperry Rand Corporation Apparatus to detect the passage of ferrous material in crop harvesting machines
DE2525042C2 (en) * 1975-06-05 1985-10-10 Maschinenfabrik Fahr Ag Gottmadingen, 7702 Gottmadingen Automatic warning device on agricultural machinery
US3972156A (en) * 1975-02-24 1976-08-03 Sperry Rand Corporation Speed-independent static magnetic field metal detector
US4243980A (en) * 1978-02-17 1981-01-06 Lichtblau G J Antenna system for electronic security installations
US4198006A (en) * 1978-10-30 1980-04-15 Sperry Corporation Magnetic clearance sensor
US4205797A (en) * 1978-10-30 1980-06-03 Sperry Corporation Magnetic clearance sensor
DE2946098A1 (en) * 1978-11-24 1980-06-04 Sperry Nv HARVESTING MACHINE
AU521875B2 (en) * 1979-07-31 1982-05-06 Matsushita Electric Industrial Co., Ltd. Induction heating
US4359686A (en) * 1980-06-30 1982-11-16 Kenneth Wherry Metal detection apparatus with basket
US4344074A (en) * 1981-04-02 1982-08-10 Sperry Corporation Magnetic field producing apparatus
US4531118A (en) * 1983-08-29 1985-07-23 Dickey-John Corporation Metal detector
CS239075B1 (en) * 1984-04-10 1985-12-16 Karel Stastny Metallic admixtures indication device in material
DE3825109A1 (en) * 1988-07-23 1990-02-01 Truetzschler & Co DEVICE FOR SEPARATING METALLIC IMPURITIES FROM A FIBER TRANSPORTING LINE IN THE PREPARATION OF THE SPINNING MILL
DE3903561A1 (en) * 1989-02-07 1990-08-09 Foerster Inst Dr Friedrich METHOD AND SHELLING MACHINE FOR SHELLING A WOOD TRUNK
DE4129882C2 (en) * 1990-09-17 2002-02-07 Truetzschler Gmbh & Co Kg Device for separating metallic contaminants from a fiber transport path in the spinning preparation
DE4140812A1 (en) * 1991-12-11 1993-06-17 Claas Saulgau Gmbh DEVICE FOR DETECTING FERROMAGNETIC FOREIGN BODIES, ESPECIALLY IN HARVESTING MACHINES
DE4331849C2 (en) * 1993-09-20 1998-07-09 Deere & Co Electronic circuit of an electromagnetic clutch
US5444966A (en) * 1994-02-03 1995-08-29 New Holland North America, Inc. Metal detection apparatus for agricultural harvester
US5504428A (en) * 1994-09-16 1996-04-02 Deere & Company Magnetic metal detector mounted in a feed roll of a harvisting machine
US5600942A (en) * 1995-03-31 1997-02-11 New Holland North America, Inc. Adaptive thresholding for metal detection
US5600941A (en) * 1995-03-31 1997-02-11 New Holland North America, Inc. Compensation for start-up transients
US5670882A (en) * 1995-09-21 1997-09-23 Magnawand Inc. Ferrous target identification system with magnetic field polarity and gradient indication
DE19620526A1 (en) * 1996-05-22 1997-11-27 Burkhard Weis Metal detector for sensing ferromagnetic metal in harvesting machine
US7024839B2 (en) * 2001-10-11 2006-04-11 Paul Wingert Agricultural bagger with upper tunnel compaction and chute agitation
DE10332395A1 (en) * 2003-07-17 2005-02-24 Maschinenfabrik Bernard Krone Gmbh harvester
US7116107B2 (en) * 2004-09-10 2006-10-03 Abitibi Geophysics Inc. Transmitter loops in series for electromagnetic geophysical surveys
US20060168913A1 (en) 2005-01-31 2006-08-03 Wingert Paul R Agricultural bagger with dual rotor and/or variable-taper tunnel
DE102005005736A1 (en) * 2005-02-07 2006-09-28 Claas Selbstfahrende Erntemaschinen Gmbh Metal detection device
US7575065B1 (en) 2008-07-31 2009-08-18 Garrett Electronics, Inc. Metal detector with excavation tool
US20100321021A1 (en) * 2009-06-23 2010-12-23 Jack Alexander Siegel Metal detection excavation apparatus and method
US9347798B1 (en) 2014-12-24 2016-05-24 Garrett Electronics, Inc. Metal detector with hermetic housing
CN104718878B (en) * 2015-04-02 2017-07-18 江苏省农业机械技术推广站 A kind of stalk cutting crushing and returning to field machine
US10274630B2 (en) * 2015-06-02 2019-04-30 Syncrude Canada Ltd. In Trust For The Owners Of The Syncrude Project As Such Owners Exist Now And In The Future Tramp metal detection
WO2017114109A1 (en) * 2015-12-28 2017-07-06 深圳市澳亚迪电子设备有限公司 Self-balance noise reduction metal detection double-coil
DE102017129778A1 (en) * 2017-12-13 2019-06-13 Claas Selbstfahrende Erntemaschinen Gmbh Forage

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7104999U (en) * 1971-06-24 Bautz J Gmbh Forage harvester
US2550688A (en) * 1949-03-19 1951-05-01 Rca Corp Metal detection apparatus
US3084495A (en) * 1962-01-26 1963-04-09 William S Blackerby Lawn mower having magnet attached
US3368214A (en) * 1965-03-10 1968-02-06 Swanson Spray & Mfg Inc Operating shaft indicators for crop harvesting machines
US3508238A (en) * 1966-07-18 1970-04-21 Texas Instruments Inc Intrusion detection system
US3646736A (en) * 1970-01-06 1972-03-07 Frank B Hutchins Attachment for a riding-type lawnmower
US3675660A (en) * 1971-05-03 1972-07-11 Massey Ferguson Ind Ltd Combine stone trap door
US3757501A (en) * 1971-10-29 1973-09-11 Sperry Rand Corp Static magnetic field metal detector

Also Published As

Publication number Publication date
DE2265809C2 (en) 1985-09-19
FR2158004A1 (en) 1973-06-08
CA1001256A (en) 1976-12-07
GB1343556A (en) 1974-01-10
US3757501A (en) 1973-09-11
FR2158004B1 (en) 1980-04-04
DE2252595A1 (en) 1973-05-03
DE2252595C2 (en) 1986-02-20
DE2265770C2 (en) 1987-01-29

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