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Antenna device

  • US 9,954,274 B2
  • Filed: 09/19/2013
  • Issued: 04/24/2018
  • Est. Priority Date: 09/26/2012
  • Status: Active Grant
First Claim
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1. An antenna device comprising:

  • a case;

    a board which is encased in the case and receives a signal from an antenna element; and

    a base which closes a bottom face of the case,wherein the base includes a sheet metal part for conducting earth connection between an earth electrode of the board and a vehicle panel, a metal fastening member fixed to and electrically connected with the sheet metal part, and the sheet metal part is surrounded with resin,wherein a plurality of arm parts are provided, and the board is held by the plurality of the arm parts, andwherein at least one of the plurality of arm parts is erected from a bottom face part of the sheet metal part, and the at least one of the plurality of arm parts is electrically connected to the earth electrode of the board.

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