Rectifier-amplifier with built in clipping

Claim 1

A RECTIFIER-AMPLIFIER COMPRISING, A BALANCED CENTER TAPPED IMPEDENCE, FIRST AND SECOND TRANSISTORS OF LIKE TYPE HAVING THEIR EMITTERS CONNECTED TO A FIRST COMMON CIRCUIT POINT, THEIR COLLECTORS CONNECTED TO A SECOND COMMON CIRCUIT POINT AND THEIR RESPECTIVE BASES CONNECTED TO ONE AND THE OTHER ENDS OF SAID IMPEDANCE, A DIODE CONNECTED BETWEEN THE CENTER TAP OF THE BALANCED INPUT AND SAID SECOND COMMON CIRCUIT POINTS AND POLED TO CONDUCT IN THE DIRECTION OF FORWARD CURRENT FLOW OF SAID TRANSISTORS, A THIRD TRANSISTOR HAVING ITS BASE CONNECTED TO SAID SECOND CIRCUIT POINT, A SOURCE OF DIRECT CURRENT POTENTIAL ADAPTED TO APPLY AN OPERATING POTENTIAL TO SAID FIRST AND SECOND TRANSISTORS AND TO APPLY A CUT OFF BIAS POTENTIAL TO SAID THIRD TRANSISTOR, SAID SOURCE OF DIRECT CURRENT POTENTIAL BEING APPLIED TO SAID CENTER TAP OF THE BALANCED INPUT THROUGH A DROPPING RESISTOR, WHEREBY AN ALTERNATING CURRENT SIGNAL APPLIED TO SAID BALANCED IMPEDANCE OF A MAGNITUDE SUFFICIENT TO CAUSE CONDITION THROUGH SAID DIODE WILL DRIVE SAID TRANSISTOR IN PUSH-PULL RELATIONSHIP AND CAUSE THE VOLTAGE AT THE BASE OF SAID THIRD TRANSISTOR TO DROP PERMITTING SAME TO CONDUCT.