Magnetic resonance antenna

Details Magnetic resonance antenna Magnetic resonance antenna

2005-09-13

2005-09-13

Shrivastav, Brij B. (Department: 2859)

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

C324S322000

Reexamination Certificate

active

06943551

ABSTRACT:
A magnetic resonance antenna has longitudinal antenna rods in a birdcage structure, and antenna ferrules connecting the longitudinal antenna rods at their ends in terms of radio-frequency. The magnetic resonance antenna has a number of radio-frequency switching elements that interrupt, in terms of radio-frequency, at least one part of the longitudinal antenna rod to detune the eigen-resonance frequency of the antenna with respect to an operating magnetic resonance frequency. For this purpose, the magnetic resonance antenna is provided with two switching lines, directed to the radio-frequency switching elements from outside of the birdcage structure, the switching lines having a ring line connected thereto running annularly on or in the birdcage structure and transverse to the longitudinal antenna rods.

REFERENCES:
patent: 5202635 (1993-04-01), Srinivasan et al.
patent: 5371468 (1994-12-01), Pelster
patent: 5607236 (1997-03-01), Takagi et al.
patent: 6232779 (2001-05-01), Tropp et al.
patent: 6396271 (2002-05-01), Burl et al.
patent: 6873156 (2005-03-01), Ferris et al.
Patent Abstracts of Japan 08187235, for Japanese Application No. 07001825 Relied on the Summary in the Specification.

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