Balanced matrix driver arrangement

Claim 1

THE COMBINATION COMPRISING: A STABLE CURRENT SOURCE HAVING AN INPUT TERMINAL AND AN OUTPUT TERMINAL; FIRST AND SECOND GROUPS OF JUNCTION POINTS; A FIRST SET OF SIGNAL RESPONSIVE SWITCH MEANS EACH HAVING A CURRENT CARRYING PATH CONNECTED BETWEEN SAID OUTPUT TERMINAL AND A DIFFERENT ONE OF THE JUNCTION POINTS IN THE FIRST GROUP; A SECOND SET OF SIGNAL RESPONSIVE SWITCH MEANS EACH HAVING A CURRENT CARRYING PATH CONNECTED BETWEEN SAID INPUT TERMINAL AND A DIFFERENT ONE OF THE JUNCTION POINTS IN THE SECOND SET; A PLURALITY OF OUTPUT TRANSFORMERS EACH HAVING A PRIMARY WINDING AND A SECONDARY WINDING, EACH OF THE PLURALITY OF THE PRIMARY WINDINGS BEING CONNECTED IN CIRCUIT BETWEEN A DIFFERENT COMBINATION OF TWO JUNCTION POINTS, ONE OF WHICH IS IN THE FIRST GROUP AND THE OTHER OF WHICH IS IN THE SECOND GROUP; MEANS CONNECTED ACROSS THE TWO ENDS OF EACH SECONDARY WINDING FOR BALANCING THE VOLTAGES AT THE TWO ENDS WITH RESPECT TO A REFERENCE POTENTIAL; INPUT MEANS APPLYING ENABLING SIGNALS TO ANY SELECTED ONE OF THE SWITCH MEANS IN THE FIRST SET AND ANY SELECTED ONE OF THE SWITCH MEANS IN THE SECOND SET CONCURRENTLY; AND A SIGNAL RESPONSIVE CURRENT DIVERTING PATH, EXCLUSIVE OF THE SWITCH MEANS, CONNECTED ACROSS THE INPUT AND OUTPUT TERMINALS OF THE STABLE SOURCE AND HAVING CONTROL MEANS FOR RENDERING SAID PATH BLOCKED OR UNBLOCKED SELECTIVELY, SAID PATH IN THE UNBLOCKED CONDITION RECEIVING THE CURRENT FROM SAID STABLE SOURCE.