Patent ID: 7755557
Filing Date: 2010-07-13
Classification: H01Q,Y10T

Abstract:
1. A feed horn, comprising: a horn body and a waveguide body, each with a front end and a back end, respectively; the horn body and the waveguide body coupled together, the waveguide body front end to the horn body back end; the waveguide body provided with a waveguide bore between the front end and the back end; at least one slot formed in a sidewall of the waveguide bore generally parallel to a longitudinal axis of the waveguide bore; the at least one slot extending to the front end; the horn body provided with a horn bore between the front end and the back end, the horn bore at the back end provided with a diameter equal to or less than the waveguide bore at the front end, wherein the at least one slot has a depth greater than a first step of the horn bore.