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. 28, 2005
Filed:
Nov. 07, 2003
Griffin K. Gothard, Satellite Beach, FL (US);
Timothy E. Durham, Palm Bay, FL (US);
Jay A. Kralovec, Melbourne, FL (US);
Sean C. Ortiz, West Melbourne, FL (US);
Griffin K. Gothard, Satellite Beach, FL (US);
Timothy E. Durham, Palm Bay, FL (US);
Jay A. Kralovec, Melbourne, FL (US);
Sean C. Ortiz, West Melbourne, FL (US);
Harris Corporation, Melbourne, FL (US);
Abstract
A compact multi-band ring-focus antenna system. The antenna system includes a first and a second main reflectoreach having a shaped surface of revolution about a common boresight axis () of the antenna. A first backfire type RF feed system () is provided for feeding the first main reflector () on a first frequency band. A second RF feed () coaxial with the first RF feed () is provided for feeding the second main reflector () on a second frequency band spectrally offset from the first frequency band. Further a portion of the second RF feed passes through a first sub-reflectors () of the backfire feed. The second RF feed is terminated a distance from the first sub-reflector to illuminate a second sub-reflector ().