Inverter circuits with independent commutation circuits

Claim 1

AN INVERTER SUPPLYING A REACTIVE LOAD FROM A DIRECT CURRENT SOURCE, COMPRISING, A PAIR OF CONTROLLED RECTIFIERS CONNECTED TO CONDUCT CURRENT IN ALTERNATE DIRECTIONS THROUGH SAID LOAD, A SOURCE OF PERIODIC SIGNALS, MEANS RESPONSIVE TO SAID PERIODIC SIGNALS TO ALTERNATELY RENDER SAID CONTROLLED RECTIFIERS CONDUCTIVE, COMMUTATING MEANS RESPONSIVE TO SAID PERIODIC SIGNALS OPERATIVE TO RENDER SAID CONTROLLED RECTIFIERS NONCONDUCTIVE A DETERMINABLE TIME AFTER CONDUCTION IS INITAITED THEREIN, AN UNIDIRECTIONAL CURRENT CONDUCING MEANS CONNECTED TO PROVIDE A LOW IMPEDANCE PATH FOR CURRENT DUE TO ELECTROMOTIVE FORCES GENERATED WITHIN SAID LOAD.