Synchronized inverter circuit

Claim 1

AN ALTERNATING CURRENT OSCILALTOR COMPRISING: A FIRST AND A SECOND UNIDIRECTIONAL CURRENT CONTROL DEVICE EACH HAVING LOAD TERMINALS AND A CONTROL TERMINAL, A SOURCE OF ENERGIZING DIRECT CURRENT, MEANS INTERCONNECTING SAID SOURCE OF ENERGIZING DIRECT CURRENT AND THE LOAD TERMINALS OF SAID CURRENT CONTROL DEVICES TO FEED LOAD CURRENT THERETHROUGH WHEN THE DEVICES ARE PERMITTED TO CONDUCT, A SATURABLE CORE TRANSFORMER HAVING A PRIMARY WINDING AND A FIRST, SECOND AND THIRD FEEDBACK WINDING, MEANS CONNECTING SAID PRIMARY WINDING TO THE LOAD TERMINALS OF SAID CURRENT CONTROL DEVICES WHEREIN THE DIRECTION OF CURRENT FLOW THROUGH THE PRIMARY WINDING VARIES WITH THE PARTICULAR CURRENT CONTROL DEVICE WHICH IS CONDUCTING, MEANS CONNECTING SAID FIRST AND SECOND FEEDBACK WINDINGS IN THE OPPOSITE SENSE RESPECTIVELY TO THE CONTROL TERMINALS OF SAID RESPECTIVE CURRENT CONTROL DEVICES FOR PROVIDING A NORMALLY FREE RUNNING FEEDBACK OSCILLATOR WHERE THE CONTROL VOLTAGES INDUCED INTO SAID FEEDBACK WINDINGS MAINTAIN CONDUCTION OF THE FIRST TO CONDUCT CURRENT CONTROL DEVICE AND PREENT CONDUCTION OF THE OTHER CURRENT CONTROL DEVICE UNTIL THE TRANSFORMER CORE IS SATURATED OR THE DEVIDE OTHERWISE RENDERED NON-CONDUCTIVE WHERE THE CONDUCTIVE STATES OF THE DEVICES WILL REVERSE, GATED DIODE MEANS HAVING CONTROL TERMINAL MEANS AND LOAD TERMINAL MEANS, MEANS CONNECTING SAID THIRD FEEDBACK WINDING AND LOAD TERMINAL MEANS OF SAID GATED DIODE MEANS IN SERIES BETWEEN THE CONTROL TERMINALS OF SAID CURRENT CONTROL DEVICES, SAID FEEDBACK WINDINGS BEING CONNECTED IN A LOOP CIRCUIT INCLUDING THE LOAD TERMINAL MEANS OF THE GATED DIODE MEANS WHERE THE VOLTAGES INDUCED THEREIN ARE IN PHASE AND EFFECTIVE TO PREPARE SAID GATED DIODE MEANS FOR TRIGGERING INTO A HIGHLY CONDUCTIVE STATE WHEN A TRIGGER PULSE IS FED TO THE ASSOCIATED CONTROL TERMINAL MEANS, SYNCHRONIZING CIRCUIT MEANS FOR GENERATING TRIGGER PULSES FOR THE CONTROL TERMINAL MEANS OF SAID GATED DIODE MEANS AT A FREQUENCY HIGHER THAN THE FREE RUNNING FREQUENCY OF THE OSCILLATOR CIRCUIT TO PREVENT SATURATION OF SAID TRANSFORMER CORE, WHEREBY CONDUCTION OF SAID GATED DIODE MEANS REVERSES THE CONDUCTIVE STATES OF SAID CURRENT CONTROL DEVICES RESULTING IN A REVERSAL IN POLARITY OF THE INDUCED VOLTAGE IN SAID FEEDBACK WINDINGS WHICH RENDERS THE CONDUCTING GATED DIODE MEANS NON-CONDUCTIVE AGAIN, SAID SYNCHRONIZING CIRCUIT MEANS INCLUDING SHOCK EXCITABLE RESONANT CIRCUIT MEANS RESONANT AT A FREQUENCY HIGHER THAN THE FREE RUNNING FREQUENCY OF THE OSCILALTOR, MEANS FOR SHOCK EXCITING SAID RESONANT CIRCUIT MEANS INCLUDING WINDING MEANS ON SAID TRANSFORMER, AND CIRCUIT MEANS COUPLED BETWEEN THE CONTROL TERMINAL MEANS OF SAID GATED DIODE MEANS AND SAID RESONANT CIRCUIT FOR ALTERNATELY TRIGGERING SAID GATED DIODE MEANS DURING SUCCESSIVE HALF CYCLES OF THE SIGNALS GENERATED IN SAID RESONANT CIRCUIT.