Two-phase reversible step motor

Claim 1

A TWO-PHASE REVERSIBLE STEP MOTOR COMPRISING A ROTOR HAVING SHAFT AND A FIRST GROUP OF ROTOR POLES AND A SECOND GROUP OF ROTOR POLES ARRANGED RADIALLY ON SAID ROTOR SHAFT, A STATOR COMPRISING A FIRST EXCITING COIL WOUND SURROUNDING SAID FIRST GROUP OF ROTOR POLES IN THE DIRECTION PERPENDICULAR TO SAID ROTOR SHAFT, SECOND EXCITING COIL WOUND SURROUNDING SAID SECOND GROUP OF ROTOR POLES IN THE DIRECTION PERPENDICULAR TO SAID ROTOR SHAFT A FIRST GROUP OF STATOR POLES AND A SECOND GROUP OF STATOR POLES ARRANGED TO FACE SAID FIRST GROUP OF ROTOR POLES AND SAID SECOND GROUP OF ROTOR POLES, RESPECTIVELY, TO FORM FIRST AND SECOND SETS OF POLES, RESPECTIVELY, SAID FIRST AND SECOND GROUP OF STATOR POLES BEING FORMED TO SURROUND SAID FIRST AND SECOND EXCITING COILS, RESPECTIVELY, EITHER THE GROUP OF STATOR POLES OF THE GROUP OF ROTOR POLES IN ONE OF SAID FIRST AND SECOND SETS OF STATOR AND ROTOR POLES BEING DISPLACED BY $/N RADIANS WITH REPECT TO THE CORRESPONDING GROUP OF POLES IN THE REMAINING SET OF STATOR AND ROTOR POLES WHERE N IS THE NUMBER OF POLES IN EACH OF SAID SETS OF STATOR AND ROTOR POLES, DRIVING CIRCUIT MEANS FOR NORMALLY ENERGIZING BOTH OF SAID EXCITING COILS WHEN NO CONTROL INPUT PULSES ARE APPLIED THERETO AND INCLUDING CONTROL PULSE INPUT MEANS HAVING A FORWARD CONTROL SIGNAL INPUT TERMINAL AND A REVERSE CONTROL SIGNAL INPUT TERMINAL FOR SELECTIVELY DE-ENERGIZING ONE OF SAID EXCITING COILS FOR A PREDETERMINED PERIOD OF TIME UPON A CONTROL INPUT PULSE BEING APPLIED THERETO, SAID ONE COIL BEING AGAIN NORMALLY ENERGIZED UPON TERMINATION OF THE PREDETERMINED PERIOD OF TIME.