Circuitry for driving field-generating coil of magnetic resonanc

Details Circuitry for driving field-generating coil of magnetic resonanc Circuitry for driving field-generating coil of magnetic resonanc

1993-06-01

1994-02-08

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

324318, G01R 3320

Patent

active

052851613

ABSTRACT:
A series topology is provided for the magnetic-field-generating coil and storage capacitor in the circuitry driving the coil of an MRI system. The coil and capacitor thus form a series resonant circuit that can deliver a sinusoidal current through the coil at a resonant frequency. A power source and switch are connected in series with the coil and capacitor, and current flow to the coil is initiated and interrupted by closing and opening the switch.

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