US 7,602,347 B2
Squint-beam corrugated horn
Stephen John Flynn, Headley (United Kingdom); Neil Wolfenden, Warfield (United Kingdom); Andrew Baird, Bramley (United Kingdom); and Craig Mitchelson, Cumbernauld (United Kingdom)
Assigned to Raven Manufacturing Ltd., Accrington (United Kingdom)
Filed on Jun. 09, 2006, as Appl. No. 11/423,256.
Prior Publication US 2007/0285329 A1, Dec. 13, 2007
Int. Cl. H01Q 13/00 (2006.01)
U.S. Cl. 343—786 16 Claims
OG exemplary drawing
 
1. A feed with a longitudinal axis, comprising:
a waveguide;
at least one corrugation(s) extending from an end of the waveguide;
the corrugation(s) coaxial with the longitudinal axis, forming an extension of the waveguide;
the corrugation(s) having an end face angle less than 90 degrees with respect to the longitudinal axis;
the waveguide and the at least one corrugation(s) extending from the end of the waveguide forming a first side feed formed as a unitary element also including a central feed; the central feed spaced away from the first side feed and having a central feed longitudinal axis that is parallel to the longitudinal axis of the side feed.