Self-starting low power synchronous step motor

Claim 1

A SYNCHRONOUS STEP MOTOR COMPRISING FIRST AND SECOND COAXIALLY MOUNTED STATOR ELEMENTS, SAID FIRST STATOR ELEMENT COMPRISING A MAGNETIC CORE AND A FIRST COIL COMPRISING FIRST AND SECOND COIL ELEMENTS AND SAID SECOND STATOR ELEMENT COMPRISING A MAGNETIC CORE AND A SECOND COIL COMPRISING THIRD AND FOURTH COIL ELEMENTS, EACH OF SAID COILS BEING PROVIDED WITH TOOTHED POLE PLATES OF MAGNETIC MATERIAL WHICH PROVIDE A PLURALITY OF ALTERNATELY ARRANGED NORTH AND SOUTH POLES ARRANGED IN A CIRCLE, A PERMANENT MAGNET ROTOR HAVING A PLURALITY OF NORTH AND SOUTH POLES ALTERNATELY ARRANGED ABOUT ITS CIRCUMFERENCE AND ROTATABLY MOUNTED IN MAGNETIC COUPLING ARRANGEMENT WITH SAID FIRST AND SECOND STATOR ELEMENTS, THE STATOR POLES OF SAID FIRST AND SECOND STATOR ELEMENTS BEING SPATIALLY SHIFTED RELATIVE TO ONE ANOTHER BY APPROXIMATELY 90 ELECTRICAL DEGREES, AND MEANS FOR SELECTIVELY ENERGIZING SAID COIL ELEMENTS WITH UNIDIRECTIONAL CURRENT SIGNALS SUCCESSIVELY PHASE-SHIFTED BY APPROXIMATELY 90 DEGREES TO STEP SAID MOTOR.