Antenna device for automotive vehicle

  • US 6,229,492 B1
  • Filed: 08/16/1999
  • Issued: 05/08/2001
  • Est. Priority Date: 02/18/1997
  • Status: Expired due to Fees
First Claim
Patent Images

1. An antenna device for an automotive vehicle comprising:

  • a first coil installed horizontally to receive radio signals;

    capacitors connected with the first coil in electrical parallel;

    a second coil connected electrically with the first coil and installed horizontally under the first coil;

    a third coil connected electrically between the first coil and a ground and installed horizontally under the first coil;

    a fourth coil connected electrically between the first coil and the second coil and installed vertically under the first coil;

    cores rolled by the coils respectively; and

    a printed circuit board to fix and connect all elements physically and electrically;

    wherein said coils, capacitors, cores, and the printed circuit board are packed in a mirror case for the automotive vehicle.

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