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Cylindrical paraboloid weather cover for a horn reflector antenna with wave absorbing means

  • US 4,282,530 A
  • Filed: 12/26/1979
  • Issued: 08/04/1981
  • Est. Priority Date: 12/26/1979
  • Status: Expired due to Term
First Claim
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1. A horn reflector antenna comprisingan offset main reflector (18) including a reflecting surface and a focal point associated therewith;

  • absorbing material (36) disposed on the edge of said reflecting surface closest to said focal point;

    a feed arrangement (10, 12, 14,

         16) disposed at said focal point and in relation to said reflector so as to create an antenna aperture, said feed arrangement capable of transmitting and receiving microwave radiation; and

    a weather cover (26) disposed at said aperture capable of reflecting a portion of said microwave radiation emanating from said feed arrangement and impinging the surface thereof;

    CHARACTERIZED IN THATthe weather cover further comprises a cylindrical paraboloid shape, said weather cover disposed to be capable of focusing the impinging radiation onto the edge of the reflecting surface containing the absorbing material.

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