Electric motor control circuit

Claim 1

A MOTOR CONTROL CIRCUIT FOR CONTROLLING THE OUTPUT MOVEMENT OF A MOTOR HAVING FOUR INPUT TERMINALS WITH ENERGIZATION OF THE TWO TERMINALS AT A TIME IN THE ORDER OF FIRST AND THIRD, FIRST AND FOURTH, SECOND AND FOURTH, SECOND AND THIRD, FIRST AND THIRD PRODUCING STEP-BY-STEP ROTATIONAL MOVEMENT OF THE MOTOR COMPRISING A CIRCUIT HAVING A FIRST, SECOND, THIRD AND FOURTH ELECTRONIC SWITCH MEANS, EACH OF WHICH IS ADAPTED TO BE CONNECTED BETWEEN A SOURCE OF ELECTRICAL ENERGY AND ITS SIMILARLY NUMBERED INPUT TERMINAL TO CONTROL THE FLOW OF ELECTRICAL ENERGY TO ITS ASSOCIATED TERMINAL; A FIRST DIRECTIONAL CONTROL MEANS HAVING A FIRST CHANNEL CONNECTED TO THE FIRST SWITCH MEANS AND A SECOND CHANNEL CONNECTED TO THE SECOND SWITCH MEANS AND A SECOND DIRECTIONAL CONTROL MEANS HAVING A FIRST CHANNEL CONNECTED TO THE THIRD SWITCH MEANS AND A SECOND CHANNEL CONNECTED TO THE FOURTH SWITCH MEANS, EACH DIRECTIONAL CONTROL MEANS HAVING ONLY ONE CHANNEL ENERGIZED AND UPON BEING TRIGGERED SHIFTING ENERGIZATION FROM THE ONE CHANNEL TO ITS OTHER; AND MEANS HAVING TWO STATES WITH ONE STATE TRIGGERING ONE DIRECTIONAL CONTROL AND THE OTHER STATE TRIGGERING THE OTHER DIRECTIONAL CONTROL, SAID MEANS BEING CONNECTED TO RECEIVE THE INPUT SIGNALS AND CHANGE ITS STATE WITH EACH INPUT SIGNAL, SAID MEANS INCLUDING ONE GATE MEANS CONNECTED TO ONE OUTPUT DIRECTIONAL CONTROL AND A SECOND GATE MEANS CONNECTED TO THE OTHER DIRECTIONAL CONTROL, A GATE TRIGGER MEANS HAVING ONE CHANNEL CONNECTED TO ONE GATE MEANS AND ANOTHER CHANNEL CONNECTED TO THE OTHER GATE MEANS, SAID GATE TRIGGER MEANS CHANGING ITS STATE WITH EACH ELECTRICAL INPUT SIGNAL TO PASS A SIGNAL ON ONE CHANNEL AND THEN THE OTHER, AND MEANS FOR CONDITIONING THE GATE MEANS TO BE ACTUATED BY THE SIGNAL FROM THE GATE TRIGGER MEANS PRIOR TO THE RECEIPT OF THE SIGNAL FROM THE GATE TRIGGER MEANS TO EFFECT TRIGGERING OF THE DIRECTIONAL CONTROL MEANS ASSOCIATED WITH THE ACTUATED GATE.