Patent ID: 6674406
Filing Date: 2004-01-06
Classification: H01Q

Abstract:
A microstrip patch antenna, comprising:a rectangular patch of electrically conductive material, said patch having a long dimension and a short dimension with a centerline of said patch being defined along said long dimension, said patch having a feedpoint located at one end thereof at said centerline; and a plurality of slots formed in said patch, each of said plurality of slots having a center aligned with said centerline, each of said plurality of slots having a longitudinal axis that is perpendicular to said centerline, each of said plurality of slots having a unique length Ln and width Wn, said plurality of slots being arranged in an order starting at a position n=1 that is furthest from said feedpoint wherein, for an n-th slot from said plurality of slots, Ln>Ln+1 and Wnn+1.