Antenna apparatus for use in Automobiles

摘要

An automobile antenna apparatus according to the present invention includes an antenna control section for electronically and variably controlling (beam-steering or beam-scanning) an emitting-beam pattern of each of antennas (3, 101, 110) mounted on an automobile (1), based on high-precision positional information of the automobile (1), to optimize a function of using an electric wave for vehicle (for broadcast wave reception, mobile communications, positioning, obstruction detection and the like).