Patent ID: 6023245
Filing Date: 2000-02-08
Classification: H01Q

Abstract:
A multi-purpose antenna for operation in at least two different wireless bands, comprising: a cellular antenna unit, a global positioning satellite (GPS) antenna unit, and a conductive groundplane, the cellular antenna unit including a radiating element extending upright at an angle to the groundplane, the cellular radiating element having opposing first and second ends that are interconnected by a body portion, the body portion having an outer diameter that varies between said first and second ends of said cellular radiating element, said cellular radiating element having a base portion proximate said first end thereof, said cellular radiating element to a cellular transceiver, said cellular radiating element second end defining a support portion that is spaced apart from and above said groundplane, said GPS antenna unit including a GPS radiating element that is supported above said cellular radiating element at said cellular radiating element second end, a first coaxial feedline for connecting said cellular radiating element to a cellular transceiver for feeding said cellular radiating element, a second coaxial feedline for connecting said GPS antenna unit to a GPS receiver and for feeding said GPS antenna unit, said first feedline feeding said cellular radiating element at about the center of said cellular radiating element first end and said second feedline feeding said GPS antenna unit at a point above and exterior of said cellular radiating element.