| 摘要 |
PROBLEM TO BE SOLVED: To provide a glass antenna device for automobile by which flatness in sensitivity is improved all over FM broadcasting bands. SOLUTION: Between a feeding point 4a for AM broadcasting band receiving and an AM broadcasting band signal amplifier 8a, a low-pass filter circuit 13 for passing the received signals of AM broadcasting bands is connected. Between a feeding point 6a for FM broadcasting band receiving and an FM broadcasting band signal amplifier 8b, a high-pass filter circuit 12 for passing the received signals of FM broadcasting bands is connected.
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