Patent ID: 6404391
Filing Date: 2002-06-11
Classification: H01Q

Abstract:
A meander line loaded tunable patch antenna, comprising:a) a pair of vertical sections disposed substantially perpendicular to a ground plane, at least one of said pair of vertical sections being electrically connected to said ground plane; a substantially horizontal top section disposed above and substantially perpendicular to said pair of vertical sections, each end of said top section being proximate one of said pair of vertical sections and electrically separated therefrom by a gap; b) at least one meander line proximate at least one of said gaps and operatively connected to one of said vertical sections and to said top section, said meander line comprising at least two portions selectively electrically connectable one to the other; c) meander line switching means disposed between said at least two portions of said meander line for electrically connecting a first of said at least two portions to a second of said at least two portions; and d) at least one series capacitor operatively connected to at least one of said at least two portions of said meander line.