Elscint Ltd.

Itzchak Linenberg

Hanan Keren

A broadband matching and decoupling network for matching RF coils to an MR system at more than one Larmor frequency using coaxial cable that is equal to 1/4.lambda. at the lower Larmor frequency and an odd multiple of 1/4.lambda. at the higher Larmor frequency.

Broadband matching and decoupling network

A quadrature coil combiner for phase shifting the pulses and signals of a quadrature coil system used in magnetic resonance (MR) systems to selectively combine or cancel the pulses and signals transmitted and received. The combiner comprises a first and a second conductor for coupling a first and a second coil respectively of the quadrature coil system to a transmit-receive circuit of the MR system. The first conductor comprises an insertable .pi./2 radian delay. The second conductor includes a fixed .pi./2 radian delay. At least one of either the fixed delay or the insertable delay is a quarter wavelength cable whereby active elements are minimized.

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Netanya, Israel

Itzchak Linenberg