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Automobile antenna device

  • US 4,679,052 A
  • Filed: 11/26/1985
  • Issued: 07/07/1987
  • Est. Priority Date: 11/27/1984
  • Status: Expired due to Fees
First Claim
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1. An automobile antenna device comprising:

  • an electrostatic shield case having an opening to face to a metal plate of the automobile body; and

    a loop antenna being internally arranged in said electrostatic shield case so that said loop antenna can be facingly provided to said opening in its close vicinity,in order to detect the surface current induced in the surface of the automobile body by broadcasted waves,wherein said loop antenna is equipped with a plurality of loops which are respectively formed by wound antenna wires, and said respective loops are sectorially arranged with one side portions thereof are concentrated in the vicinity of the opening and the other side portions thereof are separately disposed in an approximately same distance.

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