SE459700B - Saett att undertrycka verkan av magnetiska stoerfaelt vid detektering av paa en baerare anbringade magnetiska maerken eller markeringar - Google Patents

Saett att undertrycka verkan av magnetiska stoerfaelt vid detektering av paa en baerare anbringade magnetiska maerken eller markeringar

Info

Publication number
SE459700B
SE459700B SE8704704A SE8704704A SE459700B SE 459700 B SE459700 B SE 459700B SE 8704704 A SE8704704 A SE 8704704A SE 8704704 A SE8704704 A SE 8704704A SE 459700 B SE459700 B SE 459700B
Authority
SE
Sweden
Prior art keywords
magnetic
detector
carrier
markings
sensors
Prior art date
Application number
SE8704704A
Other languages
English (en)
Swedish (sv)
Other versions
SE8704704L (sv
SE8704704D0 (sv
Inventor
C 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
Priority to SE8704704A priority Critical patent/SE459700B/sv
Publication of SE8704704D0 publication Critical patent/SE8704704D0/xx
Priority to DE8888119015T priority patent/DE3879397T2/de
Priority to ES198888119015T priority patent/ES2039563T3/es
Priority to AT88119015T priority patent/ATE87115T1/de
Priority to EP88119015A priority patent/EP0317879B1/de
Publication of SE8704704L publication Critical patent/SE8704704L/
Publication of SE459700B publication Critical patent/SE459700B/sv

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)
SE8704704A 1987-11-26 1987-11-26 Saett att undertrycka verkan av magnetiska stoerfaelt vid detektering av paa en baerare anbringade magnetiska maerken eller markeringar SE459700B (sv)

Priority Applications (5)

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
DE8888119015T DE3879397T2 (de) 1987-11-26 1988-11-15 Vorrichtung zum erkennen eines magnetischen mediums.
ES198888119015T ES2039563T3 (es) 1987-11-26 1988-11-15 Dispositivo para detectar un medio magnetico.
AT88119015T ATE87115T1 (de) 1987-11-26 1988-11-15 Vorrichtung zum erkennen eines magnetischen mediums.
EP88119015A EP0317879B1 (de) 1987-11-26 1988-11-15 Vorrichtung zum Erkennen eines magnetischen Mediums

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
SE8704704D0 SE8704704D0 (sv) 1987-11-26
SE8704704L SE8704704L (sv) 1989-05-27
SE459700B true SE459700B (sv) 1989-07-24

Family

ID=20370404

Family Applications (1)

Application Number Title Priority Date Filing Date
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

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
DE3879397D1 (de) 1993-04-22
ES2039563T3 (es) 1993-10-01
ATE87115T1 (de) 1993-04-15
EP0317879A1 (de) 1989-05-31
EP0317879B1 (de) 1993-03-17

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