Patent ID: 6061029
Filing Date: 2000-05-09
Classification: H01Q,H04B,Y02D

Abstract:
A vehicle antenna apparatus comprising:a pair of antennas respectively provided in left and right outside rear view mirrors;driving means, connected to said pair of antennas, respectively, for changing orientations of said pair of antennas; andcontrol means having an input power comparing portion for making a comparison between a magnitude of input power to one of said pair of antennas and a magnitude of input power to the other of said pair of antennas, said control means being operative to select one of said pair of antennas, the input power to which is higher the input power to the other of said pair of antennas, as an antenna for communication, said control means being operative to control said driving means in such a manner as to drive said pair of antennas so that an orientation of the selected one of said pair of antennas corresponding to higher input power is fixed and an orientation of the other antenna corresponding to lower input power is changed.