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:
Oct. 05, 2010
Filed:
Oct. 03, 2008
Joseph Alfred Iannotti, Glenville, NY (US);
William J. Taft, Yardville, NJ (US);
Joseph Alfred Iannotti, Glenville, NY (US);
William J. Taft, Yardville, NJ (US);
Lockheed Martin Corporation, Bethesda, MD (US);
Abstract
A radio frequency (RF) communication device may include an RF 90-degree hybrid combiner having stable phase and loss characteristics over greater than one octave of bandwidth, while providing a high degree of isolation between input and isolated port. The structure may include a first element and a second element. The first element includes a first port, a first section for phasing matching, a second section for conductive-layer inversion, a third section for phase-matching section, and a third port. The second element includes a fourth port, a fourth section for phasing matching, a fifth section for conductive-layer inversion, a sixth section for phase-matching, and a second port. In one example, the second and fifth sections are utilized for signal coupling. In another example, the first, third, fourth, and sixth sections are utilized for signal coupling. Different ports may have matched phase differences.