| 摘要 |
PROBLEM TO BE SOLVED: To provide a low-cost and compact glass antenna apparatus for automobiles. SOLUTION: A filter circuit 18 is provided between a defogger 3 and a DC power supply 10 and has the function of attenuating frequencies that are lower than 50 MHz. An antenna conductor has a lattice-shaped element 4 and horizontal elements 15, 16, and 17, a feed point 6 is connected to the left side of the lattice-shaped element 4, the horizontal elements 15, 16, and 17 are connected to the right side of the lattice-shaped element 4 and to the right-side end section of the horizontal elements 15, 16, and 17 is connected by a vertical connection element.
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