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Arrangement for operating a symmetrical radio-frequency antenna in a nuclear magnetic resonance tomography apparatus

  • US 4,922,204 A
  • Filed: 03/29/1989
  • Issued: 05/01/1990
  • Est. Priority Date: 04/11/1988
  • Status: Expired due to Term
First Claim
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1. In a nuclear magnetic resonance tomography apparatus having a symmetrical radio-frequency antenna and an asymmetrical line for carrying signals to and from said antenna, the improvement of a sheath wave trap connected between said antenna and said line, said sheath wave trap comprising an inductor in the shape of a toroid.

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