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Grid bracket structure for mm-wave end-fire antenna array

  • US 10,020,590 B2
  • Filed: 07/19/2016
  • Issued: 07/10/2018
  • Est. Priority Date: 07/19/2016
  • Status: Active Grant
First Claim
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1. A structurally supported millimeter-wave end-fire antenna system for use in vehicular radar systems comprising:

  • a first longitudinal rib having a width, a height that is greater than the width, and a length that is greater than the height, defining a first longitudinal slot extending for a portion of the length of the first longitudinal rib, and having a transmission end and a chip connection end;

    a second longitudinal rib parallel to the first longitudinal rib, having a width, a height that is greater than the width, and a length that is greater than the height, defining a second longitudinal slot extending for a portion of the length of the first longitudinal rib, and having a transmission end and a chip connection end;

    a longitudinal crossbeam coupled to the first longitudinal rib and the second longitudinal rib and extending in a direction perpendicular to the first longitudinal rib and the second longitudinal rib;

    a first end-fire antenna having a height that is less than the height of the first longitudinal rib, a transmission end that is received by the first longitudinal slot such that the transmission end of the first longitudinal rib extends beyond the transmission end of the first end-fire antenna, and a chip connection end that extends beyond the chip connection end of the first longitudinal rib, and configured to transmit a first signal having a first phase; and

    a second end-fire antenna having a height that is less than the height of the first longitudinal rib, a transmission end that is received by the second longitudinal slot such that the transmission end of the second longitudinal rib extends beyond the transmission end of the second end-fire antenna, and a chip connection end that extends beyond the chip connection end of the second longitudinal rib, and configured to transmit a second signal having a second phase that is different than the first phase.

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