Auto-stabilized level selector

Claim 1

A AN AUTO-STABILIZED LEVEL SELECTOR FOR DETECTOR SYSTEMS COMPRISING INPUT MEANS CONNECTED TO A SOURCE OF ALTERNATING VOLTAGE, SIGNAL CONTROLLED HIGH GAIN CURRENT SWITCHING MEANS HAVING AN OUTPUT AND A PLURALITY OF INPUTS, ONE OF SAID INPUTS RECEIVING THE ALTERNATING INPUT VOLTAGE FROM SAID INPUT MEANS, NONLINEAR FEEDBACK MEANS CONNECTED FROM THE OUTPUT TO ONE OF ALTERNATING INPUT VOLTAGE FROM GAIN SWITCHING MEANS, AND OUTPUT MEANS COUPLED TO SAID NONLINEAR FEEDBACK MEANS, SAID FEEDBACK MEANS INCLUDING A CAPACITOR CONNECTED TO THE OUTPUT OF SAID HIGH GAIN CURRENT SWITCH, A BUFFER AMPLIFIER COUPLED TO SAID CAPACITOR, A PEAK DETECTOR CONNECTED TO SAID BUFFER AMPLIFIER, AND AN EMITTER FOLLOWER CONNECTED IN SERIES WITH THE PEAK DETECTOR, SAID PEAK DETECTOR FEEDING A DIRECT CURRENT VOLTAGE EQUAL TO A PREDETERMINED PERCENTAGE OF THE PEAK TO PEAK AMPLITUDE OF SAID ALTERNATING INPUT VOLTAGE TO SAID OUTPUT MEANS AND ALSO AS A CONTROL SIGNAL TO ONE OF THE PLURAL INPUTS OF SAID HIGH GAIN CURRENT SWITCHING MEANS.