Gradient field switch for improved magnetic resonance imaging/sp

Details Gradient field switch for improved magnetic resonance imaging/sp Gradient field switch for improved magnetic resonance imaging/sp

1985-06-10

1987-07-14

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

G01R 3320

Patent

active

046805478

ABSTRACT:
A gradient field switch, for use in an improved nuclear magnetic resonance imaging and spectroscopy system, includes a control portion and a switching portion. The switching portion receives a plurality of magnetic field gradient signals and connects each signal to an associated one of at least the same plurality of outputs. The exact pattern of input-output interconnections is established by the control portion responsive to data received after the presence of a reset signal. By appropriate control data input, the gradient field signals can be routed to axes of a predetermined coordinate system, such that images of a sample can be obtained from several directions, responsive to command signals and without requiring physical movement of the sample being imaged.

REFERENCES:
patent: 4372323 (1983-02-01), Takemura et al.
patent: 4510448 (1985-04-01), Riedl

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