The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 29, 1993
Filed:
Oct. 24, 1988
John T Branigan, Claremont, CA (US);
Ronald S Miller, LaVerne, CA (US);
Hughes Aircraft Company, Los Angeles, CA (US);
Abstract
A low-profile full aperture traveling wave monopulse antenna assembly including a circular faceplate having a plurality of parallel rows of radiating apertures formed therethrough, a circular backplate having a pair of feed openings each extending across the backplate on opposite sides of and parallel to a centrally located chord perpendicular in orientation to the rows of radiating apertures, a circular backplate mounted between and spaced apart from the faceplate and the backplate by a plurality of walls forming a plurality of parallel waveguide channels therein, a pair of feed waveguides each mounted adjacent the backplate above a different feed opening and each electromagnetically coupled to opposite ends of the waveguide channels, and a monopulse comparator network mounted adjacent the backplate and coupled to the pair of feed waveguides.