Patent ID: 6191746
Filing Date: 2001-02-20
Classification: H01Q

Abstract:
An antenna system for a vehicle, said vehicle having a conductive vehicle body that acts as an electrical ground, said antenna system including an electrically conducting structure formed on a vehicle window, said system comprising:an antenna tuning element;an impedance matching element electrically connected to the tuning element, said impedance matching element providing impedance matching relative to the vehicle body;a first FM antenna feed electrically coupled to the tuning element, said first antenna feed including a first coaxial cable having an inner conductor electrically coupled to the tuning element and an outer conductor electrically coupled to the vehicle body; anda second FM antenna feed electrically coupled to the impedance matching element, said second antenna feed including a second coaxial cable having an inner conductor electrically coupled to the impedance matching element and an outer conductor electrically coupled to the vehicle body.