Patent ID: 6188367
Filing Date: 2001-02-13
Classification: H01Q

Abstract:
A device for positioning an antenna on a vehicle for receiving a direct broadcast satellite transmission, the device comprising:a frame adapted for mounting an antenna thereon, the frame comprising a first arm and a second arm connected for elevational rotation relative to a bracket about an elevational pivot;a first belt having a first end connected to the first arm and a second end connected to the second arm;a means for driving the first belt to provide elevational rotation of the frame relative to the bracket about the elevational pivot;a base plate pivotally connected to the bracket for azimuthal rotation of the bracket relative to the base plate about an azimuthal pivot;a second belt disposed about a portion of a perimeter edge of the base plate;a means for driving the second belt to provide azimuthal rotation of the base plate about the azimuthal pivot;a rotary joint disposed at the azimuthal pivot for providing an electrical connection during mechanical rotation of the bracket relative to the base plate which maintains an uninterrupted coaxial cable connection during continuous azimuthal rotation of the bracket; anda multiplexing device for conducting a plurality of electrical signals through the rotary joint.