Patent ID: 6489925
Filing Date: 2002-12-03
Classification: H01Q

Abstract:
An antenna comprising:a conductive plate; a first meanderline coupler comprising a first dielectric substrate and a first elongated conductor encircling said first dielectric substrate, said first elongated conductor having a first terminal end responsive to a signal when said antenna is operative in a transmitting mode and for receiving a signal when said antenna is operative in a receiving mode, and further having a second terminal end; a second meanderline coupler comprising a second dielectric substrate and a second elongated conductor encircling said second dielectric substrate, said second elongated conductor having a first terminal end in electrical connection with said conductive plate and further having a second terminal end; a top conductive element in electrical connection with the second terminal of said first meanderline coupler proximate a first region of said top conductive element, and in electrical connection with the second terminal of said second meanderline coupler proximate a second region of said top conductive element; and wherein said first and said second meanderline couplers have independently selectable electrical lengths.