Harmonic generators utilizing a basic multiplying element resonant at both the input and output frequencies

Claim 1

APPARATUS COMPRISING AT LEAST ONE STRIP TRANSMISSION LINE ELEMENT RESONANT AT BOTH AN INPUT OUTPUT FREQUENCY; SAID ELEMENT COMPRISING A COMPOSITE DISTRIBUTED TRANSMISSION LINE INCLUDING IN SERIES A CENTER CONDUCTOR TOGETHER WITH A LUMPED NONLINEAR REACTANCE AND A CHOKE, THE PORTION OF SAID ELEMENT INCLUDING THE SERIES CONNECTION OF SAID CHOKE AND THE LUMPED NONLINEAR REACTANCE HAVING AN ELECTRICAL LENGTH SELECTED TO BE RESONANT AT SOLELY SAID OUTPUT FREQUENCY, AND THE OVER-ALL ELEMENT INCLUDING THE REMAINDER OF SAID CONDUCTOR HAVING AN ELECTRICAL LENGTH SELECTED TO BE RESONANT AT SOLELY SAID INPUT FREQUENCY;