Reduction of gradient coil interaction with room temperature shi

Details Reduction of gradient coil interaction with room temperature shi Reduction of gradient coil interaction with room temperature shi

1991-12-19

1993-10-05

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

324318, G01R 3320

Patent

active

052509028

ABSTRACT:
A gated amplifier drives a gradient coil when the gate signal is applied and the gate signal also controls an FET switch to disconnect a shim power supply from shim coils and connects the shim power supply instead to a dummy load. When the gate signal is removed, the shim coil is restored to operation from the shim power supply.

REFERENCES:
patent: 4607225 (1986-08-01), Crooks
patent: 4683434 (1987-07-01), Tschopp
patent: 4700136 (1987-10-01), Yamaguchi et al.
patent: 4906934 (1990-03-01), Haragashira

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