Patent ID: 6421018
Filing Date: 2002-07-16
Classification: H01Q

Abstract:
A coupler for transferring radio frequency signals across a broad bandwidth of signals and through a vehicle window, comprising:first and second coupling elements, the first coupling element being capable of being fixed to an interior surface of the vehicle window, the second coupling element being capable of being fixed to an exterior surface of said vehicle window; the first coupling element including a first support board having first and second opposing surfaces, the first surface of the first support board being oriented in opposition to the vehicle window interior surface, said first support board first surface having a first layer of conductive material disposed thereon, a slot disposed in said first conductive material layer on said first support board first surface defining a non-conductive area upon said first support board first surface, said first slot having a bowtie configuration, the bowtie configuration including two triangle-shapes joined together at opposing apexes thereof; said first coupling element further including a second layer of conductive material disposed on said first support board first surface within said first slot, the second conductive material layer having a bowtie configuration, said second conductive material layer being smaller in size than said first slot such that said first slot isolates said second conductive material layer from said first conductive material layer; the second coupling element including a second support board having first and second opposing surfaces, the first surface of the second support board being oriented in opposition to the vehicle window exterior surface, said second support board first surface having a first layer of conductive material disposed thereon, a slot disposed in said second support board first layer of conductive material on said second support board first surface defining a non-conductive area upon said second board first surface, said second coupling element first slot having a bowtie configuration, the bowtie configuration including two triangle-shapes joined together at opposing apexes thereof; said second coupling element further including a second layer of conductive material disposed on said second board first surface within said second coupling element first slot thereof, the second support board second layer of conductive material having a bowtie configuration, and being smaller in size than said second coupling element first slot such that said second coupling element first slot isolates said second support board second layer of conductive material from said second support board first layer of conductive material.