ruisinger

Claim 1

IN COMBINATION WITH A MULTI-HORN ANTENNA, AN ANTENNA BEAM SHARPENING SYSTEM COMPRISING A FIRST CIRCUIT FOR DEVOLOPING A FIRST INPUT SIGNAL PROPORTIONAL TO THE ENERGY RECEIVED BY ONE HORN OF THE MULTI-HORN ANTENNA, A SECOND CIRCUIT FOR DEVELOPING A SECOND INPUT SIGNAL PROPORTIONAL TO THE ENERGY RECEIVED BY ANOTHER HORN OF THE MULTI-HORN ANTENNA, A FIRST CHANNEL HAVING SUMMING MEANS RESPONSIVE TO SAID INPUT SIGNALS FOR PRODUCING A SUM SIGNAL PROPORTIONAL TO THE SUM OF SAID INPUT SIGNALS AND SECOND CHANNEL ALSO RESPONSIVE TO SAID INPUT SIGNALS AND HAVING AN AMPLIFYING MEANS FOR PRODUCING AN AMPLIFIED OUTPUT SIGNAL FOR EACH OF SAID INPUT SIGNALS, MEANS FOR APPLYING EACH OF SAID INPUT SIGNALS TO A DIFFERENT ONE OF SAID AMPLIFYING MEANS, MEANS FOR INCREASING AND DECREASING THE GAIN OF EACH SAID AMPLIFYING MEANS AS THE INPUT SIGNALS APPLIED TO THE OTHER OF AMPLIFYING MEANS DECREASE AND INCREASE RESPECTIVELY, SUBTRACTING MEANS FOR GENERATING A DIFFERENCE SIGNAL PROPORTIONAL TO THE DIFFERENCE BETWEEN THE OUTPUT SIGNALS FROM SAID AMPLIFYING MEANS, AND MEANS FOR GENERATING A SINGAL PROPORTIONAL TO THE DIFFERENCE BETWEEN SAID SUM AND DIFFERENCE SIGNALS.