Bilateral current driver

Claim 1

A BILATERAL CURRENT DRIVER ARRANGED TO BE CONNECTED TO A SUITABLE SOURCE OF ENERGIZING POTENTIAL FOR DRIVING CURRENT IN ONE OR ANOTHER DIRECTION THROUGH A LOAD IN ACCORDANCE WITH BIVALUED INPUT CONTROL SIGNALS COMPRISING: FIRST AND SECOND TRANSISTOR PAIRS; CURRENT LIMITING MEANS; EACH PAIR INCLUDING A CONTORL TRANSISTOR CONNECTED IN SERIES THROUGH A RESPECTIVE CURRENT LIMITING MEANS TO AN EMITTER FOLLOWER TRANSISTOR, THE TRANSISTORS BEING OF THE SAME CONDUCTIVE TYPE AND EACH HAVING A BASE, EMITTER AND COLLECTOR; THE COLLECTORS OF THE CONTROL TRANSISTORS AND THE EMITTERS OF THE EMITTER FOLLOWER TRANSISTORS BEING CONNECTED TO THEIR RESPECTIVE CURRENT LIMITING MEANS, THE EMITTERS OF THE CONTROL TRANSISTORS BEING CONNECTED INDIVIDUALLY TO THE SOURCE OF ENERGIZING POTENTIAL; A LOAD HAVING TWO TERMINALS, EACH CONNECTED TO A RESPECTIVE CURRENT LIMITING MEANS; FIRST AND SECOND BIAS MEANS, EACH CONNECTED TO THE BASE AND EMITTER OF A RESPECTIVE EMITTER FOLLOWER TRANSISTOR; EACH CONTROL TRANSISTOR BEING NORMALLY MAINTAINED IN ITS NONCONDUCTIVE STATE BY THE INPUT CONTROL SIGNALS OF ONE VALUE, WHEREBY CURRENT FLOW THROUGH THE TRANSISTORS AND THE LOAD IS PREVENTED WHEN THE CONTROL SIGNALS APPLIED TO THE BASE OF THE CONTROL TRANSISTORS ARE OF SAID ONE VALUE; AND EACH CONTROL TRANSISTOR RESPONSIVE TO INPUT CONTROL SIGNALS OF A SECOND VALUE APPLIED TO ITS BASE TO CAUSE CURRENT FLOW IN A PATH THROUGH ITS EMITTER-COLLECTOR CIRCUIT, THE LOAD, THE EMITTER FOLLOWER TRANSISTOR OF THE OTHER PAIR, AND A RESPECTIVE CURRENT LIMITING MEANS, AND TO REVERSE BIAS ITS RESPECTIVE EMITTER FOLLOWER TRANSISTOR TO ITS NONCONDUCTIVE STATE.