Dual mode antenna
First Claim
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1. A DUAL MODE ANTENNA COMPRISING A HOLLOW CONDUCTIVELY BOUNDED GUIDING STRUCTURE HAVING AN INPUT PORTION AND AN OUTPUT PORTION WITH A CENTRAL AXIS OF PROPAGATION, SAID STRUCTURE BEING ADAPTED TO SUPPORT THE TE11 AND TM11 WAVE MODES SIMULTANEOUSLY ALONG AT LEAST SAID OUTPUT PORTION, MODE CONVERSION MEANS COMPRISING A PLURALITY CLOSELY SPACED DISCONTINUITIES DISPOSED WITHIN SAID STRUCTURE, AND MEANS FOR APPLYING ENERGY IN THE TE11 WAVE MODE TO SAID INPUT PORTION, SAID DISCONTINUITIES CAUSING CONVERSION OF A PORTION OF SAID ENERGY TO THE TM11 WAVE MODE.
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1 Claim
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1. A DUAL MODE ANTENNA COMPRISING A HOLLOW CONDUCTIVELY BOUNDED GUIDING STRUCTURE HAVING AN INPUT PORTION AND AN OUTPUT PORTION WITH A CENTRAL AXIS OF PROPAGATION, SAID STRUCTURE BEING ADAPTED TO SUPPORT THE TE11 AND TM11 WAVE MODES SIMULTANEOUSLY ALONG AT LEAST SAID OUTPUT PORTION, MODE CONVERSION MEANS COMPRISING A PLURALITY CLOSELY SPACED DISCONTINUITIES DISPOSED WITHIN SAID STRUCTURE, AND MEANS FOR APPLYING ENERGY IN THE TE11 WAVE MODE TO SAID INPUT PORTION, SAID DISCONTINUITIES CAUSING CONVERSION OF A PORTION OF SAID ENERGY TO THE TM11 WAVE MODE.
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Current AssigneeJohn S. Cook
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Original AssigneeJohn S. Cook
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InventorsCook, John S.
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Application NumberUS04/547,993Time in Patent Office936 DaysField of SearchUS Class Current343/781.00RCPC Class CodesH01Q 13/0208 Corrugated horns waveguide ...H01Q 13/025 Multimode horn antennas; Ho...
