Multiple beam antenna system employing multiple directional couplers in the leadin
First Claim
1. A TRANSMISSION SYSTEM COMPRISING, IN COMBINATION, FIRST, SECOND, THIRD AND FOURTH TRANSMISSION LINE COUPLERS, EACH OF SAID COUPLERS HAVING FIRST, SECOND, THIRD AND FOURTH PORTS AND BEING ADAPTED TO COUPLE A SIGNAL FROM EITHER OF SAID FIRST AND SECOND PORTS TO SAID THIRD AND FOURTH PORTS WITH A FIXED PHASE DIFFERENCE BETWEENT THE SIGNALS AT SAID THIRD AND FOURTH PORTS AND WITH EQUAL AMPLITUDE AT SAID THIRD AND FOURTH PORTS, FIRST TRANSMISSION MEANS CONNECTED BETWEEN SAID FOURTH PORT OF SAID FIRST COUPLER AND SAID FIRST PORT OF SAID FOURTH COUPLER, SECOND TRANSMISSION MEANS CONNECTED BETWEEN SAID THIRD PORT OF SAID SECOND COUPLER AND SAID SECOND PORT OF SAID THIRD COUPLER, SAID FIRST AND SECOND TRANSMISSION MEANS BEING OF EQUIVALENT ELECTRICAL LENGTH, THIRD TRANSMISSION MEANS CONNECTED BETWEEN SAID THIRD PORT OF SAID FIRST COUPLER AND SAID FIRST PORT OF SAID THIRD COUPLER, FOURTH TRANSMISSION MEANS CONNECTED BETWEEN SAID FOURTH PORT OF SAID SECOND COUPLER AND SAID SECOND PORT OF SAID FOURTH COUPLER, SAID THIRD AND FOURTH TRANSMISSION MEAS BEING OF EQUIVALENT ELECTRICAL LENGTH, SAID FIRST AND THIRD TRANSMISSION MEANS BEING OF SUCH DIFFERENT ELECTRICAL LENGTHS AT TO COUPLE AN INPUT SIGNAL FED INTO ONE OF SAID FIRST AND SECOND PORTS OF SAID FIRST AND SECOND COUPLERS EQUALY TO SAID THIRD AND FOURTH PORTS OF SAID THIRD AND FOURTH COUPLERS WITH A UNIFORM PHASE DIFFERENCE BETWEEN THE SIGNALS COUPLED TO SAID FOURTH PORTS OF SAID FOURTH AND THIRD COUPLERS, BETWEEN THE SIGNALS COUPLED TO SAID THIRD PORTS OF SAID FOURTH AND THIRD COUPLERS, AND BETWEEN THE SIGNALS COUPLED TO SAID FOURTH PORT OF SAID THIRD COUPLER AND SAID THIRD PORT OF SAID FOURTH COUPLER.
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Citations
1 Claim
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1. A TRANSMISSION SYSTEM COMPRISING, IN COMBINATION, FIRST, SECOND, THIRD AND FOURTH TRANSMISSION LINE COUPLERS, EACH OF SAID COUPLERS HAVING FIRST, SECOND, THIRD AND FOURTH PORTS AND BEING ADAPTED TO COUPLE A SIGNAL FROM EITHER OF SAID FIRST AND SECOND PORTS TO SAID THIRD AND FOURTH PORTS WITH A FIXED PHASE DIFFERENCE BETWEENT THE SIGNALS AT SAID THIRD AND FOURTH PORTS AND WITH EQUAL AMPLITUDE AT SAID THIRD AND FOURTH PORTS, FIRST TRANSMISSION MEANS CONNECTED BETWEEN SAID FOURTH PORT OF SAID FIRST COUPLER AND SAID FIRST PORT OF SAID FOURTH COUPLER, SECOND TRANSMISSION MEANS CONNECTED BETWEEN SAID THIRD PORT OF SAID SECOND COUPLER AND SAID SECOND PORT OF SAID THIRD COUPLER, SAID FIRST AND SECOND TRANSMISSION MEANS BEING OF EQUIVALENT ELECTRICAL LENGTH, THIRD TRANSMISSION MEANS CONNECTED BETWEEN SAID THIRD PORT OF SAID FIRST COUPLER AND SAID FIRST PORT OF SAID THIRD COUPLER, FOURTH TRANSMISSION MEANS CONNECTED BETWEEN SAID FOURTH PORT OF SAID SECOND COUPLER AND SAID SECOND PORT OF SAID FOURTH COUPLER, SAID THIRD AND FOURTH TRANSMISSION MEAS BEING OF EQUIVALENT ELECTRICAL LENGTH, SAID FIRST AND THIRD TRANSMISSION MEANS BEING OF SUCH DIFFERENT ELECTRICAL LENGTHS AT TO COUPLE AN INPUT SIGNAL FED INTO ONE OF SAID FIRST AND SECOND PORTS OF SAID FIRST AND SECOND COUPLERS EQUALY TO SAID THIRD AND FOURTH PORTS OF SAID THIRD AND FOURTH COUPLERS WITH A UNIFORM PHASE DIFFERENCE BETWEEN THE SIGNALS COUPLED TO SAID FOURTH PORTS OF SAID FOURTH AND THIRD COUPLERS, BETWEEN THE SIGNALS COUPLED TO SAID THIRD PORTS OF SAID FOURTH AND THIRD COUPLERS, AND BETWEEN THE SIGNALS COUPLED TO SAID FOURTH PORT OF SAID THIRD COUPLER AND SAID THIRD PORT OF SAID FOURTH COUPLER.
Specification
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Current AssigneeJesse L. Butler
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Original AssigneeJesse L. Butler
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InventorsButler, Jesse L.
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Application NumberUS04/036,219Time in Patent Office2,183 DaysField of SearchUS Class Current342/373CPC Class CodesH01Q 3/40 with phasing matrix
