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Device for transmitting and receiving microwaves subjected to circular polarization

  • US 6,222,493 B1
  • Filed: 01/10/2000
  • Issued: 04/24/2001
  • Est. Priority Date: 05/15/1998
  • Status: Expired due to Fees
First Claim
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1. A device configured to simultaneously transmit and receive microwaves including a radiating element, wherein the radiating element (60;

  • 219) has substantially orthogonal transmit and receive ports (68, 66;

    224, 225), wherein the relative phase of the transmit and receive signals and a shape of the radiating element are such that the transmit and receive signals are circularly polarized in opposite directions, and wherein a frequency of the transmit signals is different from a frequency of the receive signals.

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