Electronic gating circuits

Claim 1

AN ELECTRONIC GATE CIRCUIT COMPRISING SWITCHING MEANS HAVING MUTUALLY EXCLUSIVE ON AND OFF CONDITIONS, SAID SWITCHING MEANS INCLUDING AT LEAST ONE TRANSISTOR HAVING EMITTER, COLLECTOR AND BASE, MEANS FOR SELECTIVELY TURNING SAID SWITCH MEANS ON AND OFF SO THAT CURRENT FLOWS THROUGH SAID SWITCHING MEANS ONLY WHEN SAID SWITCH IS TURNED ON, MEANS RESPONSIVE TO TURNING ON SAID SWITCH FOR SELECTIVELY CONDUCTING THE FLOW OF SIGNAL CURRENT THROUGH A PRINCIPAL CIRCUIT INCLUDING SAID EMITTER AND COLLECTOR, MEANS INCLUDING A CURRENT CONTROL CIRCUIT COUPLED TO THE BASE OF SAID TRANSISTOR FOR SELECTING BETWEEN SAID CONDUCTING AND SAID BLOCKING CONDITIONS, MEANS ASSOCIATED WITH SAID BASE CIRCUIT FOR DRAWING SUBSTANTIALLY ALL SWITCHING CURRENT FROM THE EMITTER-COLLECTOR CIRCUIT OF SAID TRANSISTOR THROUGH SAID BASE WITH SUBSTANTIALLY NO RETURN OF SAID SWITCHING CURRENT TO SAID EMITTER COLLECTOR CIRCUIT, SAID LAST NAMED MEANS INCLUDING MEANS WHEREBY SAID BASE IS NORMALLY BIASED TO HOLD SAID TRANSISTOR "OFF" THUS CAUSING SAID BLOCKING OF CURRENT IN SAID PRINCIPAL CIRCUIT, AND AUXILIARY ELECTRONIC MEANS HAVING STABLE ON AND OFF CONDITIONS FOR SELECTIVELY AND LATCHINGLY INTERCONNECTING OR ISOLATIONS FOR SELECTIVELY AND LATCHTER-COLLECTOR PARTS OF SAID TRANSISTOR.