Electricity: measuring and testing – Particle precession resonance – Spectrometer components
Patent
1994-08-19
1996-10-29
O'Shea, Sandra L.
Electricity: measuring and testing
Particle precession resonance
Spectrometer components
324318, 335296, G01R 3320
Patent
active
055700225
ABSTRACT:
Current supply for MRI magnet having an output impedance which has been tailored to have the desired shape by using voltage and current feedback. The impedance is small at frequencies which are large with respect to the magnet L/R and the impedance is large at very low frequencies.
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Ehnholm Gosta J.
Pekonen Seppo T.
Virtanen Juha P.
Fry John J.
Gurin Timothy B.
Mah Raymond Y.
O'Shea Sandra L.
Picker Nordstar Inc.
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