Traffic control system for drive-in banks and the like

Claim 1

IN A SYSTEM FOR CONTROLLING MOVEMENT OF VEHICLES IN A DISPATCHING INSTALLATION, THE COMBINATION COMPRISING A DISPATCHING STATION, A PLURALITY OF DISIGNATED RECEIVING STATIONS BEYOND SAID DISPATCHING STATION EACH HAVING AN OPERATOR, MEANS AT SAID DISPATCHING STATION FOR INSTRUCTING THE VEHICLES, SAID INSTRUCTING MEANS INCLUDING AN INITIAL HOLD POSITION MESSAGE AND SELECTIVELY PRESENTABLE MOVEMENT MESSAGES, A CENTRAL CONTROL UNIT HAVING A SELECTOR FOR ENERGIZING SAID INSTRUCTING MEANS, AN ACTUATOR AT EACH OF SAID SERVING STATIONS COUPLED TO SAID CENTRAL CONTROL UNIT FOR TRANSMITTING SIGNALS TO SAID CONTROL UNIT, RELAYS IN SAID CONTROL UNIT COUPLED TO SAID ACTUATORS FOR RECEIVING AND STORING SIGNALS FROM EACH OF SAID OPERATORS AT THE SAME TIME, SAID ACTUATOR OPERATED RELAYS EFFECTING POSITIONING OF SAID SELECTOR TO COMPLETE AN ENERGIZING CIRCUIT FOR SAID HOLD POSITION MESSAGE TO MAINTAIN SAID VEHICLES IN READINESS AND SUBSEQUENTLY COMPLETING AN ENERGIZING CIRCUIT FOR ONE OF SAID MOVEMENT MESSAGE DISIGNATING ONE OF SAID STATIONS TO WHICH THE AWATING VEHICLE SI TO MOVE, SAID SELECTOR RESPONSIVE TO SAID RELAYS TO SEQUENTIALLY PRESENT SAID STORED SIGNALS AS MOVEMENT MESSAGES AT SAID INSTRUCTING MEANS, AND A VEHICLE DETECTOR AT SAID DISPATCHING STATION FOR RETURNING SAID INSTRUCTING MEANS TO THEIR INITIAL STATE UPON PASSGE OF INDIVIDUAL MOBILE MACHINES BEYOND SAID DISPATCHING STATION.