H - Electricity – 01 – F
Patent
H - Electricity
01
F
H01F 7/06 (2006.01) A61B 5/06 (2006.01) G01V 3/08 (2006.01) G01V 3/10 (2006.01)
Patent
CA 2360593
Apparatus for generating magnetic fields includes a plurality of radiator coils. Driver circuitry drives the coils so as to generate magnetic fields at a plurality of driving frequencies. Each of the coils is driven by a respective current that comprises a basic current at a respective one of the driving frequencies and cancellation currents at one or more of the other driving frequencies, so that each of the radiator coils generates a field substantially only at the respective driving frequency.
L'invention concerne l'appareil pour générer des champs magnétiques comprenant une multitude de bobines de rayonnement. Les circuits d'attaque actionnent les bobines afin de générer des champs magnétiques dans une multitude de fréquences d'activation. Chacune des bobines est activée par un courant correspondant qui comporte un courant de base correspondant à une des fréquences ainsi que des courants de compensation à une ou plusieurs des autres fréquences d'activation, afin que chaque bobine de rayonnement génère un champ à sensiblement la même fréquence d'activation correspondante.
Fried Shlomo
Govari Assaf
Biosense Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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