G - Physics – 06 – K
Patent
G - Physics
06
K
G06K 7/08 (2006.01) G01V 3/10 (2006.01) G01V 3/12 (2006.01) G01V 15/00 (2006.01) G06K 19/08 (2006.01)
Patent
CA 2343750
A metal screened (13) electronic labelling system is provided having at least one information bearing electronic coded label including a label coil (12) and an interrogator including a transmitter coil (9). The system relies on a magnetic field coupling link containing the transmitter coil (9) and the label coil (12) for obtaining information from the label. The coupling link is arranged such that it operates in the near field thereof and substantially none or at most a minority of the magnetic flux which excites the label coil (12) also links the transmitter coil (9).
L'invention porte sur un système électronique de marquage à blindage métallique comportant au moins un marqueur électronique codé porteur d'informations et muni d'une bobine (12), et un interrogateur muni d'une bobine émettrice (9) Le système se base sur une liaison par couplage de champ magnétique entre la bobine émettrice (9) et la bobine du marqueur (12) pour capter les informations du marqueur. Ladite liaison est conçue de manière à opérer dans son champ proche et pour que pratiquement aucune partie du flux magnétique excitant la bobine (12) du marqueur, ou au plus une très petite partie, puisse également atteindre la bobine émettrice (9).
Gemplus Tag Australia Pty Ltd
Integrated Silicon Design Pty. Ltd.
Robic
LandOfFree
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