Electricity: measuring and testing – Particle precession resonance – Spectrometer components
Patent
1991-02-13
1992-09-01
Tokar, Michael J.
Electricity: measuring and testing
Particle precession resonance
Spectrometer components
G01R 3320
Patent
active
051442434
ABSTRACT:
An RF coil system, used for a magnetic resonance imaging apparatus and adapted to perform at least one of application of an excitation high-frequency magnetic field and detection of magnetic resonance signals, comprises a plurality of coil elements arranged at regularly spaced intervals without overlap therebetween, an RF circuit for putting at least one of the coil elements into an operative state or an inoperative state, a neutralizing circuit for neutralizing inductive coupling between the coil elements, a tuning circuit for tuning at least one of the coil elements to a given frequency, an adder circuit for adding an output signal of the tuning circuit and conductors for electrically connecting the coil elements, the RF circuit, the neutralizing circuit and the adder circuit.
REFERENCES:
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patent: 4943775 (1990-07-01), Boskamp
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patent: 4985679 (1991-01-01), McDougall
patent: 5057778 (1991-10-01), Rath
Fox Timothy R.
Nakabayashi Kazuto
Kabushiki Kaisha Toshiba
Tokar Michael J.
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