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:
Sep. 03, 2013
Filed:
Apr. 12, 2010
Robert K. Shaw, Willow Grove, PA (US);
Jonathan P. Macgahan, Ivyland, PA (US);
Sulinder S. Dhanjal, Pennington, NJ (US);
Erik Lier, Newtown, PA (US);
Bernard F. Lindinger, Elkins Park, PA (US);
James W. Matthews, Doylestown, PA (US);
Kanti N. Patel, Newtown, PA (US);
Robert K. Shaw, Willow Grove, PA (US);
Jonathan P. MacGahan, Ivyland, PA (US);
Sulinder S. Dhanjal, Pennington, NJ (US);
Erik Lier, Newtown, PA (US);
Bernard F. Lindinger, Elkins Park, PA (US);
James W. Matthews, Doylestown, PA (US);
Kanti N. Patel, Newtown, PA (US);
Lockheed Martin Corporation, Bethesda, MA (US);
Abstract
An antenna feed network includes a septum polarizer including a waveguide defining a cavity, wherein a septum is disposed in the cavity to divide the cavity to form a first port and as second port, a diplexer in signal communication with at least one of the first port and the second port of the septum polarizer to route a signal based upon a frequency, and a wave coupler/splitter in signal communication with the diplexer to send and receive signals therebetween, the wave coupler/splitter including a first signal path and a second signal path, wherein the wave coupler/splitter controls a phase shift of a signal transmitted through at least one of the first signal path and the second signal path.