Variable frequency microwave discriminator

Claim 1

IN A VARIABLE FREQUENY MICROWAVE ENERGY SYSTEM, A WAVE ENERGY SOURCE OF THE ENERGIZATION DEPENDENT OUTPUT FREQUENCY VARIETY; VARIABLE ENERGIZATION MEANS ADAPTED TO ENERGIZE SAID WAVE ENERGY SOURCE SUCH THAT THE OUTPUT FREQUENCY IS VARIABLE WITHIN A SELECTED FREQUENCY BAND; FIRST POWER DIVIDER MEANS HAVING AT LEAST ONE INPUT AND AT LEAST FIRST AND SECOND OUTPUTS; MEANS FOR APPLYING A PORTION OF THE OUTPUT OF SAID WAVE ENERGY SOURCE TO SAID INPUT OF SAID FIRST POWER DIVIDER MEANS; PHASE COMPARATOR MEANS HAVING AT LEAST FIRST AND SECOND INPUTS AND AT LEAST ONE OUPUT; FIRST WAVE ENERGY TRANSMISSION MEANS INTERCONNECTING SAID FIRST OUTPUT OF FIRST POWER DIVIDER MEANS AND SAID FIRST INPUT OF SAID PHASE COMPARATOR MEANS; SECOND WAVE ENERGY TRANSMISSION MEANS INTERCONNECTING SAID SECOND OUTPUT OF SAID FIRST POWER DIVIDER MEANS AND SAID SECOND INPUT OF PHASE COMPARATOR MEANS; SAID FIRST WAVE ENERGY TRANSMISSION MEANS INCLUDING A TUNABLE YIG FILTER ADAPTED TO TUNE OVER SAID FREQUENCY BAND; FIRST CONTROL MEANS ADAPTED FOR VARYING SAID VARIABLE ENERGIZATION MEANS; SECOND CONTROL MEANS, NONRESPONSIVE TO SAID FIRST CONTROL MEANS, ADAPTED FOR TUNING SAID YIG FILTER MEANS AND FOR VARYING SAID VARIABLE ENERGIZATION MEANS IN TRACKING RELATION; OUTPUT UTILIZATION MEANS CONNECTED TO SAID OUTPUT OF SAID PHASE COMPARATOR MEANS AND RESPONSIVE TO A DIFFERENCE IN FREQUENCY BETWEEN THE OUTPUT OF SAID WAVE ENERGY SOURCE AND THE TUNED FREQUENCY OF SAID YIG FILTER MEANS AND MEANS CONNECTING SAID OUTPUT UTILIZATION MEANS TO SAID FIRST CONTROL MEANS FOR VARYING SAID VARIABLE ENERGIZATION MEANS IN RESPONSE TO SAID DIFFERENCE IN FREQUENCY SUCH THAT SAID DIFFERENCE IN FREQUENCY IS MINIMIZED.