Dual polarized electronically scanned antenna

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6008775
SERIAL NO

08880114

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A phased array includes a first plurality of radiators having a first polarization and a second plurality of radiators having a second polarization, different from said first polarization. The phased array is constructed such that radiating patterns of the first and second plurality of radiators are congruent. The radiators are constructed so that they radiating apertures thereof can occupy virtually the same space, i.e., the spacing of the radiating elements is less than a wavelength. Other features provided allow this compactness to be achieved. Impedance matching features are integrated into the radiators themselves. The elevation assemblies of the radiators are mated together, and then are coupled across to their respective azimuth assemblies. Two azimuth assemblies for either type of polarization may be provided when monopulse operation is required. Assemblies for both polarizations transmit sequentially, but receive simultaneously, thus allowing a complete polarization matrix to be collected with two pulse transmissions.

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Patent Owner(s)

  • NORTHROP GRUMMAN SYSTEMS CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bailey, Alex E Hampstead, MD 15 117
Bobowicz, Daniel Elkridge, MD 2 10
Chino, John Arnold, MD 3 28
Coronado, Jose A Glen Burnie, MD 1 10
Curbean, Andrea Baltimore, MD 3 21
Dickstein, Jeffrey J Ellicott City, MD 1 10
Fertiq, Timothy M Pasadena, MD 1 10
Grube, Dennis A Ellicott City, MD 1 10
Gupta, Tapan Ellicott City, MD 3 28
Henderson, Herbert J Laurel, MD 1 10
Hunter, Lawrence J Linthicum, MD 1 10
Reeve, Terry L Annapolis, MD 1 10
Schmier, Robert G Columbia, MD 2 31
Starling, Ronnie L Columbia, MD 4 79
Stitzer, Steven N Ellicott City, MD 13 147
Thurlow, Norman E Severna Park, MD 2 27
Yablon, William B Elkridge, MD 4 36

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