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    • 1. 发明公开
    • 안테나 장치
    • 天线设备
    • KR1020090088788A
    • 2009-08-20
    • KR1020087024387
    • 2007-11-19
    • 하라다 고교 가부시키가이샤
    • 이케다마사카즈다이나카유스케
    • H01Q1/32H01Q1/36H01Q9/04
    • H01Q1/3275H01Q1/1214H01Q1/36H01Q1/38H01Q5/35H01Q5/371H01Q5/40H01Q9/36
    • Intended is to provide an antenna device, which can minimize a sensitivity deterioration even at a position as low as 70 mm or less. Inside of an antenna case (10) protruding from a vehicle to a height of 70 mm or less, there is erected and arranged an antenna substrate (30) having an antenna pattern, and there is housed an amplifier substrate (34) for amplifying a received signal outputted from the antenna substrate (30). In this antenna substrate (30), an antenna coil for resonating the antenna pattern with an FM waveband is interposed between the antenna pattern and a feeding point. As a result, the antenna pattern as low as about one twentieth of the wavelength of the FM broadcast resonates with the FM waveband. ® KIPO & WIPO 2009
    • 本发明提供一种即使在低至70mm以下的位置也能够使灵敏度劣化最小化的天线装置。 在从车辆突出到70mm以下的天线壳体(10)的内部,竖立并配置有天线图案的天线基板(30),并且容纳放大器基板(34),用于放大 从天线基板(30)输出的接收信号。 在该天线基板(30)中,在天线图案和馈电点之间插入用于使天线图案与FM波段谐振的天线线圈。 结果,FM广播波长的低约二十分之一的天线方向图与FM波段谐振。 ®KIPO&WIPO 2009