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WO1996031790B1 - Interrogation spatiale magnetique - Google Patents

Interrogation spatiale magnetique

Info

Publication number
WO1996031790B1
WO1996031790B1 PCT/GB1996/000823 GB9600823W WO9631790B1 WO 1996031790 B1 WO1996031790 B1 WO 1996031790B1 GB 9600823 W GB9600823 W GB 9600823W WO 9631790 B1 WO9631790 B1 WO 9631790B1
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic
tag
field
magnetic field
null
Prior art date
Application number
PCT/GB1996/000823
Other languages
English (en)
Other versions
WO1996031790A1 (fr
Filing date
Publication date
Priority claimed from GBGB9506909.2A external-priority patent/GB9506909D0/en
Priority to BR9604784A priority Critical patent/BR9604784A/pt
Priority to EP96909232A priority patent/EP0834091B1/fr
Priority to GB9713224A priority patent/GB2313745B/en
Priority to AU52806/96A priority patent/AU716803B2/en
Priority to PL96341024A priority patent/PL181020B1/pl
Priority to RU97118368A priority patent/RU2145722C1/ru
Priority to PL96322617A priority patent/PL181016B1/pl
Priority to CA002217762A priority patent/CA2217762C/fr
Priority to PL96341023A priority patent/PL181046B1/pl
Application filed filed Critical
Priority to US08/930,228 priority patent/US6144300A/en
Priority to NZ304922A priority patent/NZ304922A/en
Priority to DE69629693T priority patent/DE69629693T2/de
Priority to AT96909232T priority patent/ATE248379T1/de
Priority to HK98103195.0A priority patent/HK1003907B/xx
Priority to JP53009896A priority patent/JP3647462B2/ja
Priority to TW085112326A priority patent/TW329001B/zh
Publication of WO1996031790A1 publication Critical patent/WO1996031790A1/fr
Publication of WO1996031790B1 publication Critical patent/WO1996031790B1/fr
Priority to NO974587A priority patent/NO974587L/no
Priority to US09/685,249 priority patent/US6323769B1/en

Links

Abstract

L'invention porte sur des étiquettes ou des marqueurs magnétiques ainsi que sur diverses techniques permettant de les interroger. Dans un aspect, le marqueur ou l'étiquette magnétique a pour caractéristique de renfermer des régions distinctes activité magnétique en alignement. Dans un autre aspect, il est présenté un procédé d'interrogation d'étiquette ou de marqueur magnétique à l'intérieur d'une zone d'interrogation prédéfinie, l'étiquette comprenant un matériau d'une perméabilité magnétique élevée, dans le but de lire des données stockées de manière magnétique dans l'étiquette ou d'utiliser la réponse de l'étiquette pour détecter sa présence et/ ou déterminer sa position dans la zone d'interrogation. Cet aspect se caractérise par le fait que le processus d'intégration consiste à soumettre l'étiquette successivement 1), à un champ magnétique d'une intensité de champ suffisante pour saturer le matériau à perméabilité magnétique élevée et, 2), à un champ magnétique de valeur zéro comme cela a été décrit ici. L'invention donne des applications de ces techniques, se rapportant, entre autres, a), à l'identification d'articles sur lesquels des étiquettes ont été fixées, b), à une détermination rigoureuse de position, comme dans le cas de la localisation de sondes chirurgicales, et c), à une totalisation des achats, lorsque chaque article est porteur d'une étiquette codée, avec des données indiquant sa nature et son prix.
PCT/GB1996/000823 1995-04-02 1996-04-03 Interrogation spatiale magnetique WO1996031790A1 (fr)

Priority Applications (18)

Application Number Priority Date Filing Date Title
JP53009896A JP3647462B2 (ja) 1995-04-04 1996-04-03 空間磁気照会
US08/930,228 US6144300A (en) 1995-04-02 1996-04-03 Spatial magnetic interrogation
GB9713224A GB2313745B (en) 1995-04-04 1996-04-03 Spatial magnetic interrogation
AU52806/96A AU716803B2 (en) 1995-04-04 1996-04-03 Spatial magnetic interrogation
PL96341024A PL181020B1 (pl) 1995-04-04 1996-04-03 Urządzenie do wywoływania odzewu magnetycznie zakodowanego znacznika
RU97118368A RU2145722C1 (ru) 1995-04-04 1996-04-03 Пространственный магнитный опрос
PL96322617A PL181016B1 (pl) 1995-04-04 1996-04-03 Sposób i urządzenie do określania położenia elementu magnetycznego
CA002217762A CA2217762C (fr) 1995-04-04 1996-04-03 Interrogation spatiale magnetique
PL96341023A PL181046B1 (pl) 1995-04-04 1996-04-03 Znacznik magnetyczny
BR9604784A BR9604784A (pt) 1995-04-04 1996-04-03 Métodos para interrogar um elemento magnético tendo propriedades magnéticas n o-lineares para determinar a localização de um objeto para codificar e/ou etiquetar artigos individuais e para totalizar dados aparelhos para ler uma etiqueta magnética e para interrogar uma etiqueta codificada magneticamente e marcador ou etiqueta magnética
DE69629693T DE69629693T2 (de) 1995-04-04 1996-04-03 Räumliche magnetische abfrageanordnung
EP96909232A EP0834091B1 (fr) 1995-04-04 1996-04-03 Interrogation spatiale magnetique
NZ304922A NZ304922A (en) 1995-04-04 1996-04-03 The use of a passive data tag system which employs small amounts of very high permeability magnetic material and a scanned magnetic field for interrogation
AT96909232T ATE248379T1 (de) 1995-04-04 1996-04-03 Räumliche magnetische abfrageanordnung
HK98103195.0A HK1003907B (en) 1995-04-04 1996-04-03 Spatial magnetic interrogation
TW085112326A TW329001B (en) 1995-04-04 1996-10-09 Spatial magnetic interrogation
NO974587A NO974587L (no) 1995-04-04 1997-10-03 Romlig magnetisk utspörring, spesielt i forbindelse med merkelapper
US09/685,249 US6323769B1 (en) 1995-04-04 2000-10-10 Apparatus for interrogating a magnetically coded tag

Applications Claiming Priority (2)

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

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US09/685,251 Division US6373388B1 (en) 1995-04-04 2000-10-10 Coding articles
US09/685,250 Division US6323770B1 (en) 1995-04-02 2000-10-10 Apparatus for interrogating a magnetically coded tag

Publications (2)

Publication Number Publication Date
WO1996031790A1 WO1996031790A1 (fr) 1996-10-10
WO1996031790B1 true WO1996031790B1 (fr) 1996-11-07

Family

ID=10772460

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1996/000823 WO1996031790A1 (fr) 1995-04-02 1996-04-03 Interrogation spatiale magnetique

Country Status (21)

Country Link
US (5) US6144300A (fr)
EP (1) EP0834091B1 (fr)
JP (1) JP3647462B2 (fr)
KR (1) KR100262363B1 (fr)
CN (1) CN1153984C (fr)
AT (1) ATE248379T1 (fr)
AU (1) AU716803B2 (fr)
BR (1) BR9604784A (fr)
CA (1) CA2217762C (fr)
CZ (1) CZ293167B6 (fr)
DE (1) DE69629693T2 (fr)
ES (1) ES2205021T3 (fr)
GB (1) GB9506909D0 (fr)
HU (1) HUP9802671A3 (fr)
MX (1) MX9707744A (fr)
NO (1) NO974587L (fr)
NZ (1) NZ304922A (fr)
PL (3) PL181020B1 (fr)
RU (1) RU2145722C1 (fr)
TW (1) TW329001B (fr)
WO (1) WO1996031790A1 (fr)

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