CA2319237C - Marqueurs ou etiquettes magnetiques - Google Patents

Marqueurs ou etiquettes magnetiques Download PDF

Info

Publication number
CA2319237C
CA2319237C CA002319237A CA2319237A CA2319237C CA 2319237 C CA2319237 C CA 2319237C CA 002319237 A CA002319237 A CA 002319237A CA 2319237 A CA2319237 A CA 2319237A CA 2319237 C CA2319237 C CA 2319237C
Authority
CA
Canada
Prior art keywords
magnetic
tag
field
coils
magnetically active
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
CA002319237A
Other languages
English (en)
Other versions
CA2319237A1 (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 CA2319237A1 publication Critical patent/CA2319237A1/fr
Application granted granted Critical
Publication of CA2319237C publication Critical patent/CA2319237C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Geophysics And Detection Of Objects (AREA)
  • Burglar Alarm Systems (AREA)
  • Near-Field Transmission Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Thin Magnetic Films (AREA)
CA002319237A 1995-04-04 1996-04-03 Marqueurs ou etiquettes magnetiques Expired - Fee Related CA2319237C (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
CA2319237A1 CA2319237A1 (fr) 1996-10-10
CA2319237C true CA2319237C (fr) 2005-10-11

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
CA002319238A Expired - Fee Related CA2319238C (fr) 1995-04-04 1996-04-03 Codage magnetique d'articles
CA002320670A Expired - Fee Related CA2320670C (fr) 1995-04-04 1996-04-03 Appareil pour interroger des etiquettes mangnetiques
CA002320669A Expired - Fee Related CA2320669C (fr) 1995-04-04 1996-04-03 Dispositif de lecture d'etiquettes magnetiques

Family Applications After (3)

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

Country Status (1)

Country Link
CA (4) CA2319237C (fr)

Also Published As

Publication number Publication date
CA2320669C (fr) 2005-10-04
CA2319237A1 (fr) 1996-10-10
CA2319238A1 (fr) 1996-10-10
CA2320670C (fr) 2005-01-04
CA2320669A1 (fr) 1996-10-10
CA2320670A1 (fr) 1996-10-10
CA2319238C (fr) 2005-06-07

Similar Documents

Publication Publication Date Title
AU716803B2 (en) Spatial magnetic interrogation
US5821859A (en) Concealed magnetic ID code and antitheft tag
RU2183033C2 (ru) Усовершенствования, относящиеся к магнитным ярлыкам или маркерам
US5736929A (en) System for concealed serialization utilizing a soft magnetic antitheft element
US6054924A (en) Magnetic markers
US7123129B1 (en) Modulation of the resonant frequency of a circuit using an energy field
GB2322049A (en) Magnetic Tags
CA2319237C (fr) Marqueurs ou etiquettes magnetiques
AU5436500A (en) A tag for electronic article identification, a method for encoding an identity code into such a tag, and an apparatus for the identification thereof
AU738819B2 (en) Magnetic coding of articles
AU738801B2 (en) Magnetic coding of articles
AU738833B2 (en) Apparatus for interrogating magnetic tags
US7532123B2 (en) Magnetic tagging
JPH11306275A (ja) 識別機能を有する物品およびその識別方法

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed