Patent ID: 8890750

Claim:
A patch antenna element comprising: a conductive patch; and a first microstrip slot feed, wherein the first microstrip slot feed comprises at least one slot disposed in a ground plane and a corresponding strip line feed, and wherein the first microstrip slot feed is symmetrical with respect to a center of the conductive patch; and a second microstrip slot feed, wherein the second microstrip slot feed comprises a plurality of slots disposed in the ground plane and corresponding strip line feeds, wherein the second microstrip slot feed is symmetrical with respect to a center of the conductive patch and is symmetrical with respect to the first microstrip slot feed, wherein the second microstrip slot feed is partially coupled with respect to the conductive patch, wherein the plurality of slots of the second microstrip slot feed are disposed near edges of the conductive patch, and wherein the partial coupling of the second microstrip slot feed is provided by each of the plurality of slots of the second microstrip slot feed extending past one or more respective edge of the edges of the conductive patch and is 45′ offset with respect to an orientation of the conductive patch.