Large band inductive antenna for contactless communication systems
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United States of America Patent
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Mar 19, 2013
Issued Date -
N/A
app pub date -
Nov 5, 2008
filing date -
Nov 5, 2007
priority date (Note) -
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Abstract
Signal transmission and/or reception device, by contactless inductive coupling comprising at least one structure forming one or several antennas, said structure comprising a plurality of conducting links (102, 106) in at least two parallel and distinct planes, a first plurality of said conducting links forming a first conducting circuit (104, 204, 304, 404, 504, 604, 704) through which a current (I1) will circulate, and a second plurality of said conducting links forms at least one second conducting circuit (108, 208, 308, 408, 508, 608, 708), distinct from said first circuit, and through which a current (I2) will circulate, the links being arranged such that the coefficient coupling between pairs of said circuits is zero or at least less than 5% or less than 1%.
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