Electricity: measuring and testing – Particle precession resonance – Using a nuclear resonance spectrometer system
Patent
1984-08-01
1986-11-18
Tokar, Michael J.
Electricity: measuring and testing
Particle precession resonance
Using a nuclear resonance spectrometer system
G01R 3320
Patent
active
046238433
ABSTRACT:
NMR imaging of an object is achieved in the presence of temporal variations in the magnetic field. A reference volume is separately excited. The resultant signal is used to find the correct excitation frequency for the desired plane. Prior to receiving the signal from the object reference volumes on either side are excited to provide signals which are used to form the demodulation and sampling signals.
REFERENCES:
patent: 4417209 (1983-11-01), Hounsfield
patent: 4418316 (1983-11-01), Young
patent: 4425547 (1984-01-01), Adams
patent: 4442404 (1984-04-01), Bergmann
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