Patent ID: 8842045

Claim:
A patch antenna system comprising: a first antenna assembly comprising: a first ground plane having a first perimeter, a first surface, and a second surface, wherein the second surface is opposite the first surface; a first radiator patch having a second perimeter, wherein the first radiator patch is spaced apart from the first surface; a first dielectric medium disposed between the first radiator patch and the first surface; and an exciter configured to excite first electromagnetic signals in the first radiator patch; a second antenna assembly electromagnetically coupled to the first antenna assembly, the second antenna assembly comprising: a second ground plane having a third perimeter, a third surface, and a fourth surface, wherein: the fourth surface is opposite the third surface; the third surface is adjacent to the second surface; the first ground plane is disposed between the second ground plane and the first dielectric medium; and the second ground plane is electrically connected to the first ground plane; a second radiator patch having a third fourth perimeter, wherein: the second radiator patch is spaced apart from the fourth surface; the second ground plane is disposed between the first ground plane and the second radiator patch; and the second radiator patch is configured to excite second electromagnetic signals in response to third electromagnetic signals induced by the first electromagnetic signals; a second dielectric medium disposed between the second radiator patch and the fourth surface; and a signal port electrically connected to the first radiator patch and electromagnetically coupled to the second radiator patch.