Patent ID: 6492949
Filing Date: 2002-12-10
Classification: B60K,B60Q,B60T,B60W,G01S,H01Q

Abstract:
An antenna element comprising:a feed circuit layer having first and second opposing surfaces with a first one of the first and second surfaces having a first ground plane disposed thereon and second one of the first and second surfaces having a feed circuit disposed thereon; a first radiator layer having first and second opposing surfaces with a first one of the first and second opposing surfaces disposed over the second one of the first and second opposing surfaces of said feed circuit layer and a second one of the first and second opposing surfaces of said first radiator layer having a second ground plane disposed thereon with the second ground plane having an aperture therein; and at least one conductive path coupling the first and second ground plane layers to provide a cavity in said first radiator layer and feed circuit layer.