Invention Grant
US08976070B2 Broadcasting antenna for vehicle and shark fin antenna apparatus having the same 有权
具有该车辆和鲨鱼鳍天线装置的广播天线

Broadcasting antenna for vehicle and shark fin antenna apparatus having the same
Abstract:
A broadcasting antenna for a vehicle and a shark fin antenna apparatus having the same are provided. The broadcasting antenna includes a main board on which a feeder circuit and a ground plane are formed, a helical radiation unit which includes a plurality of helical radiators that are electrically connected to the feeder circuit and the ground plane of the main board, that are formed in a first direction, and that are coupled apart from each other by a predetermined interval, and which has a coupling feed structure, and an extended radiation unit which includes a plurality of top loaders that are electrically connected to ends of the plurality of helical radiators, respectively, that are formed in a second direction, and that are coupled to each other.
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