Electricity: measuring and testing – Particle precession resonance – Spectrometer components
Patent
1989-06-13
1991-03-05
Tokar, Michael J.
Electricity: measuring and testing
Particle precession resonance
Spectrometer components
333219, G01R 3320
Patent
active
049980661
ABSTRACT:
An MR examination apparatus has a quadrature coil arrangement which consists of two coil systems and a circuit for decoupling the two coil systems. In such an MR examination apparatus the decoupling between the coil systems is improved in that the circuit comprises a variable capacitor which connects one coil system to the other.
REFERENCES:
patent: 4594566 (1986-06-01), Maudsley
patent: 4707664 (1987-11-01), Fehn et al.
patent: 4752736 (1988-06-01), Arakawa
patent: 4763074 (1988-08-01), Fox
T. R. Fox, Capacitive Network to Cancel Coupling Between Channels in MRI Quadrature Antenna, Conf. Proc. of S.M.R.M., (1987), p. 99.
Leussler Christoph G.
Wichern Andreas H. W.
Squire William
Tokar Michael J.
U.S. Philips Corporation
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