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Dual-band antenna array and RF front-end for MM-wave imager and radar

  • US 8,305,255 B2
  • Filed: 09/20/2011
  • Issued: 11/06/2012
  • Est. Priority Date: 04/04/2008
  • Status: Active Grant
First Claim
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1. A radar for an automobile comprising:

  • a printed circuit board having a first surface and a second surface;

    a processor coupled to the second surface of the printed circuit board, the processor configured to generate a first frequency signal and a second frequency signal;

    a first substrate layer coupled with the first surface of the printed circuit board, the first substrate layer having a first patch having an opening therein;

    a second substrate layer positioned between the first substrate layer and the first surface of the printed circuit board, the second substrate layer having a first patch disposed adjacent the opening of the first patch of the first substrate layer; and

    a transmit module connected to the processor and coupled with first patch of the first substrate layer and the first patch of the second substrate layer, the transmit module configured to transmit the first frequency signal to the first patch of the first substrate layer and the second frequency signal to the first patch of the second substrate layer.

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