Emitter follower with nonsaturating driver

Claim 1

IN A SIGNAL TRANSFER CIRCUIT, A FIRST TRANSISTOR HAVING AN EMITTER, A COLLECTOR AND A BASE ELECTRODE, MEANS MAINTAINING SAID EMITTER AT GROUND POTENTIAL, A LOAD RESISTOR CONNECTED TO SAID COLLECTOR, MEANS SUPPLYING A BIASING POTENTIAL TO SAID COLLECTOR THROUGH SAID RESISTOR, MEANS SUPPLYING A BIASING POTENTIAL TO SAID BASE ELECTRODE, A SIGNAL INPUT CONNECTION TO SAID BASE ELECTRODE, MEANS FOR PREVENTING THE POTENTIAL OF SAID COLLECTOR FROM REACHING A VALUE TO CAUSE SATURATION OF SAID TRANSISTOR, A SECOND TRANSISTOR, MEANS FOR SUPPLYING SIGNAL FROM SAID FIRST TRANSISTOR TO SAID SECOND TRANSISTOR, SAID SECOND TRANSISTOR BEING CONDUCTIVE AND PROVIDING A LOW IMPEDANCE TRANSFER PATH WHEN THE SIGNAL SUPPLIED THERETO SWINGS IN ONE POLARITY DIRECTION AND BECOMING SUBSTANTIALLY NON-CONDUCTIVE AND PRESENTING HIGH IMPEDANCE WHEN THE SIGNAL SWINGS IN THE OTHER POLARITY DIRECTION, AND A UNILATERALLY CONDUCTIVE DEVICE CONNECTED DIRECTLY IN SHUNT WITH SAID PATH TO PROVIDE A LOW IMPEDANCE TRANSFER PATH ABOUT SAID SECOND TRANSISTOR WHEN THE LATTER IS SUBSTANTIALLY NON-CONDUCTIVE AND TO PRESENT HIGH IMPEDANCE WHEN SAID SECOND TRANSISTOR IS CONDUCTIVE.