Patent ID: 7956703
Filing Date: 2011-06-07
Classification: H01P

Abstract:
1. A multi-band transducer for an antenna comprising: a first waveguide which extends along a longitudinal axis; a second waveguide which is mounted coaxially with, and around, the first waveguide; a housing which supports the first and second waveguides and which has an end face which is substantially perpendicular to the longitudinal axis of the first and second waveguides; and at least one second waveguide probe which extends between the interior of the second waveguide and the end face of the housing, wherein that the housing has at least one funnel-shaped cavity which extends between a point at which the at least one second waveguide probe enters the interior of the waveguide and the end face of the housing, the at least one second waveguide probe is housed within a respective one of the at least one funnel-shaped cavities within the housing, and the at least one second waveguide probe is a respective bent probe which is inclined with respect to the longitudinal axis of the second waveguide at an end of the probe which enters the interior of the second waveguide, the inclination being towards the end face of the housing.