Method and apparatus for generating magnetic fields for nuclear

Details Method and apparatus for generating magnetic fields for nuclear Method and apparatus for generating magnetic fields for nuclear

1995-10-16

1996-06-25

O'Shea, Sandra L.

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

324307, G01R 3328

Patent

active

055303560

ABSTRACT:
A generation of magnetic fields for a nuclear magnetic resonance imaging capable of preventing the occurrence of the cross-talk between coils for generating the magnetic fields easily. A coil system having a plurality of channels for generating magnetic fields is provided, and currents to drive the coil system is supplied from a power source. A controller generates the control signals indicating desired currents to be supplied from the power source to the coil system in an absence of cross-talks among the channels of the coil system, and then the cross-talks among the channels of the coil system are compensated by supplying the power source with cross-talk compensated control signals for controlling the currents to be supplied from the the power source to the coil system, where the cross-talk compensated control signals are obtained by adding the control signals with cross-talk compensation components derived according to predetermined cross-talk characteristics of the channels of the coil system.

REFERENCES:
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patent: 4978919 (1990-12-01), Hinks
patent: 5150055 (1992-09-01), Kimura
patent: 5227728 (1993-07-01), Kaufman et al.

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