| 摘要 |
PROBLEM TO BE SOLVED: To provide a glass antenna device for an automobile, where sensitivity improves without using an amplifier. SOLUTION: A choke coil 9 is connected between a defogger 3 and DC power source 10 and an antenna conductor 6 is connected to a receiver 20. The series connection circuit of a first coil, a high frequency choke coil and a capacitor is connected between the antenna conductor 6 and the defogger 3. A second coil is connected between a line between the antenna conductor 6 and the receiver 20, and car body ground.
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