ATE87115T1 - Vorrichtung zum erkennen eines magnetischen mediums. - Google Patents

Vorrichtung zum erkennen eines magnetischen mediums.

Info

Publication number
ATE87115T1
ATE87115T1 AT88119015T AT88119015T ATE87115T1 AT E87115 T1 ATE87115 T1 AT E87115T1 AT 88119015 T AT88119015 T AT 88119015T AT 88119015 T AT88119015 T AT 88119015T AT E87115 T1 ATE87115 T1 AT E87115T1
Authority
AT
Austria
Prior art keywords
carrier
magnetic
sensors
markings
interference fields
Prior art date
Application number
AT88119015T
Other languages
English (en)
Inventor
Claes Ingvert
Original Assignee
Profor 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
Application filed by Profor Ab filed Critical Profor Ab
Application granted granted Critical
Publication of ATE87115T1 publication Critical patent/ATE87115T1/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/025—Compensating stray fields
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/08—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
    • G06K7/082—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors
    • G06K7/083—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors inductive
    • G06K7/084—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors inductive sensing magnetic material by relative movement detecting flux changes without altering its magnetised state

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Measuring Magnetic Variables (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
AT88119015T 1987-11-26 1988-11-15 Vorrichtung zum erkennen eines magnetischen mediums. ATE87115T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8704704A SE459700B (sv) 1987-11-26 1987-11-26 Saett att undertrycka verkan av magnetiska stoerfaelt vid detektering av paa en baerare anbringade magnetiska maerken eller markeringar
EP88119015A EP0317879B1 (de) 1987-11-26 1988-11-15 Vorrichtung zum Erkennen eines magnetischen Mediums

Publications (1)

Publication Number Publication Date
ATE87115T1 true ATE87115T1 (de) 1993-04-15

Family

ID=20370404

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88119015T ATE87115T1 (de) 1987-11-26 1988-11-15 Vorrichtung zum erkennen eines magnetischen mediums.

Country Status (5)

Country Link
EP (1) EP0317879B1 (de)
AT (1) ATE87115T1 (de)
DE (1) DE3879397T2 (de)
ES (1) ES2039563T3 (de)
SE (1) SE459700B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE524370C2 (sv) 2002-05-10 2004-08-03 Tetra Laval Holdings & Finance Förpackningslaminat, bigvals, samt ett skikt för användning till ett förpackningslaminat
US7064558B1 (en) * 2004-12-16 2006-06-20 Honeywell International Inc. Millivolt output circuit for use with programmable sensor compensation integrated circuits
SE529125C2 (sv) * 2005-03-02 2007-05-08 Tetra Laval Holdings & Finance Sätt och anordning för att bestämma läget hos ett förpackningsmaterial med magnetiska markeringar
US9208422B2 (en) 2010-11-29 2015-12-08 Tetra Laval Holdings & Finance S.A. Packaging material comprising magnetisable portions

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7405727A (nl) * 1974-04-29 1975-10-31 Philips Nv Magnetoweerstandkop.
CA1076252A (en) * 1975-04-14 1980-04-22 Frederik W. Gorter Magnetoresistive head
US4283774A (en) * 1979-06-13 1981-08-11 Burroughs Corporation On-chip method of balancing memory detectors and balanced detectors formed thereby
JPS58154615A (ja) * 1982-03-10 1983-09-14 Copal Co Ltd 磁気検出装置

Also Published As

Publication number Publication date
SE8704704L (sv) 1989-05-27
SE8704704D0 (sv) 1987-11-26
DE3879397T2 (de) 1993-06-24
SE459700B (sv) 1989-07-24
DE3879397D1 (de) 1993-04-22
ES2039563T3 (es) 1993-10-01
EP0317879A1 (de) 1989-05-31
EP0317879B1 (de) 1993-03-17

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee