| 摘要 |
PROBLEM TO BE SOLVED: To provide a glass antenna system that can excellently receive both AM and FM broadcast programs. SOLUTION: In an automobile use glass antenna system, a coil 31 between a defogger 90 and a receiver 7 is used to cause series resonance and a coil 32 between the defogger 90 and a car body earth is used to cause parallel resonance, a high frequency choke coil 52 for choking an FM signal is connected between antenna conductors 3 and the defogger 90 so as to prevent the FM signal induced in the antenna conductor 3 from being leaked to the car body earth.
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