Electricity: measuring and testing – Particle precession resonance – Spectrometer components
Patent
1992-04-27
1993-09-07
Arana, Louis
Electricity: measuring and testing
Particle precession resonance
Spectrometer components
324322, 1286535, G01V 300
Patent
active
052432874
ABSTRACT:
A high-pass bird cage coil serves as the whole-body RF coil in an NMR system. This coil is detuned when other RF coils are used to transmit or receive during a pulse sequence. This detuning is accomplished by detuning circuits that contain pin diodes which shunt the tuning capacitors in the bird cage coil.
REFERENCES:
patent: 4620155 (1986-10-01), Edelstein et al.
patent: 4680548 (1987-07-01), Edelstein et al.
patent: 4820987 (1989-04-01), Mens
patent: 4833409 (1989-05-01), Eash
patent: 4890063 (1989-12-01), Haragashira
patent: 5144244 (1992-09-01), Kess
Frederick Perry S.
Hashoian Ralph S.
Prost Robert W.
Arana Louis
General Electric Company
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