Electrical control circuits

Claim 1

AN ELECTRICAL CIRCUIT COMPRISING A MAGNETIC STRUCTURE HAVING A SUBSTANTIALLY RECTANGULAR HYSTERESIS CHARACTERISTIC, SAID STRUCTURE HAVING A FIRST AND A SECOND ROW OF FIRST APERTURES THEREIN DEFINING A FIRST AND A SECOND ROW OF CORRESPONDING FLUX CONTROL LEGS, SAID ROWS OF APERTURES ALSO DEFINING A FLUX LINKING RAIL THEREBETWEEN, SAID STRUCTURE ALSO HAVING A SECOND APERTURE THEREIN DEFINING A SET FLUX LEG IN EACH OF SAID ROWS OF FLUX CONTROL LEGS AND A COMMON FLUX RETURN LEG; INDUCTIVE MEANS FOR ESTABLISHING A SET FLUX AROUND SAID SECOND APERTURE AND THROUGH SAID SET FLUX LEGS IN ONE DIRECTION AND A NORMAL FLUX AROUND SAID SECOND APERTURE AND THROUGH EACH OF THE CORRESPONDING LEGS OF SAID FIRST AND SAID SECOND FLUX CONTROL LEGS IN THE OPPOSITE DIRECTION, A PLURALITY OF ADVANCE WINDINGS EACH COUPLED TO SAID FLUX LINKING RAIL THROUGH CORRESPONDING APERTURES OF SAID FIRST AND SECOND ROW OF FIRST APERTURES, A FIRST ADVANCE CIRCUIT CONNECTING ALTERNATING FIRST ONES OF SAID ADVANCE WINDINGS IN SERIES, A SECOND ADVANCE CIRCUIT CONNECTING ALTERNATING SECOND ONES OF SAID ADVANCE WINDINGS IN SERIES, MEANS FOR SHIFTING SAID SET FLUX ALONG THE FLUX LEGS OF ONE OF SAID ROWS OF LEGS COMPRISING MEANS FOR ALTERNATELY APPLYING ADVANCE PULSES TO SAID FIRST AND SAID SECOND ADVANCE CIRCUITS, AND AN OUTPUT WINDING COUPLED TO EACH OF SAID LAST-MENTIONED FLUX LEGS.