1
Fred E Ashbaugh, Ordean S Anderson, Donald E Anderson, Ramakrishna A Nair, Michael J Riebel: Electromagnetic antenna collimator. Innova, Douglas L Tschida, November 24, 1992: US05166698 (126 worldwide citation)

A dielectric inset mountable within a conical horn antenna for focusing an impinging electromagnetic wave front as a planar wave front at an attached wave guide. In one construction a homogeneous inset having an ellipsoidal forward surface and conical aft surface is fitted into a double flared conic ...


2
Ordean S Anderson, Donald E Anderson, Ramakrishna A Nair, Michael J Riebel: Multimode dielectric-loaded double-flare antenna. Microbeam Corporation, D L Tschida, May 26, 1992: US05117240 (34 worldwide citation)

A small aperture horn antenna comprising an outer conical shell and interiorly of which are formed at least first and second conically flared, dielectric-coated stages of differing flare angles which are coupled to one another via an intermediate cylindrical stage. The dielectric coating is applied ...



Click the thumbnails below to visualize the patent trend.