CA2319238C - Codage magnetique d'articles - Google Patents

Codage magnetique d'articles Download PDF

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Publication number
CA2319238C
CA2319238C CA002319238A CA2319238A CA2319238C CA 2319238 C CA2319238 C CA 2319238C CA 002319238 A CA002319238 A CA 002319238A CA 2319238 A CA2319238 A CA 2319238A CA 2319238 C CA2319238 C CA 2319238C
Authority
CA
Canada
Prior art keywords
magnetic
tag
article
magnetic field
field
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CA002319238A
Other languages
English (en)
Other versions
CA2319238A1 (fr
Inventor
Andrew Nicholas Dames
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Flying Null Ltd
Original Assignee
Flying Null Ltd
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 GBGB9506909.2A external-priority patent/GB9506909D0/en
Application filed by Flying Null Ltd filed Critical Flying Null Ltd
Publication of CA2319238A1 publication Critical patent/CA2319238A1/fr
Application granted granted Critical
Publication of CA2319238C publication Critical patent/CA2319238C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Landscapes

  • Geophysics And Detection Of Objects (AREA)
  • Burglar Alarm Systems (AREA)
  • Thin Magnetic Films (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Near-Field Transmission Systems (AREA)
CA002319238A 1995-04-04 1996-04-03 Codage magnetique d'articles Expired - Fee Related CA2319238C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9506909.2A GB9506909D0 (en) 1995-04-04 1995-04-04 Spatial magnetic interrogation system
GB9506909.2 1995-04-04
CA002217762A CA2217762C (fr) 1995-04-04 1996-04-03 Interrogation spatiale magnetique

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002217762A Division CA2217762C (fr) 1995-04-04 1996-04-03 Interrogation spatiale magnetique

Publications (2)

Publication Number Publication Date
CA2319238A1 CA2319238A1 (fr) 1996-10-10
CA2319238C true CA2319238C (fr) 2005-06-07

Family

ID=25679703

Family Applications (4)

Application Number Title Priority Date Filing Date
CA002319237A Expired - Fee Related CA2319237C (fr) 1995-04-04 1996-04-03 Marqueurs ou etiquettes magnetiques
CA002320669A Expired - Fee Related CA2320669C (fr) 1995-04-04 1996-04-03 Dispositif de lecture d'etiquettes magnetiques
CA002320670A Expired - Fee Related CA2320670C (fr) 1995-04-04 1996-04-03 Appareil pour interroger des etiquettes mangnetiques
CA002319238A Expired - Fee Related CA2319238C (fr) 1995-04-04 1996-04-03 Codage magnetique d'articles

Family Applications Before (3)

Application Number Title Priority Date Filing Date
CA002319237A Expired - Fee Related CA2319237C (fr) 1995-04-04 1996-04-03 Marqueurs ou etiquettes magnetiques
CA002320669A Expired - Fee Related CA2320669C (fr) 1995-04-04 1996-04-03 Dispositif de lecture d'etiquettes magnetiques
CA002320670A Expired - Fee Related CA2320670C (fr) 1995-04-04 1996-04-03 Appareil pour interroger des etiquettes mangnetiques

Country Status (1)

Country Link
CA (4) CA2319237C (fr)

Also Published As

Publication number Publication date
CA2319237C (fr) 2005-10-11
CA2320670A1 (fr) 1996-10-10
CA2320669C (fr) 2005-10-04
CA2320670C (fr) 2005-01-04
CA2320669A1 (fr) 1996-10-10
CA2319238A1 (fr) 1996-10-10
CA2319237A1 (fr) 1996-10-10

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