Photosensitive ring circuit

Claim 1

A RING CIRCUIT HAVING A PLURALITY OF RING POSITIONS AND COMPRISING: A STORAGE DEVICE FOR EACH RING POSITION: AND STARTING DEVICE FOR EACH RING POSITION CONNECTED TO ENERGIZE THE STORAGE DEVICE IN THAT RING POSITION IN RESPONSE TO AN INDIVIDUAL START SIGNAL; AT LEAST A FIRST AND SECOND DRIVE LINE FOR SAID RING CIRCIUT CONNECTED TO ALL SAID RING POSITIONS, SAID FIRST DRIVE LINE BEING CONNECTED TO SELECTED ONES OF SAID RING POSITIONS AND SAID SECOND DRIVE LINE BEING CONNECTED TO THE NONSELECTED ONES OF SAID RING POSITIONS; A COMMUTATOR DEVICE CONNECTED TO ENERGIZE SAID DRIVE LINES TO PROVIDE A REPEATING SEQUENCE OF DRIVE SIGNALS TO SUCCESSIVE RING POSITION STORAGE DEVICES AT A RATE OF ONE PULSE AT A TIME WHENEVER AN ADVANCE OF THE RING IS REQUIRED, SAID STARTING DEVICE FOR EACH RING POSITION HAVING A SWITCH ELEMENT CONNECTED TO SET SAID COMMUTATOR DEVICE TO ENERGIZE THE DRIVE LINE CONNECTED TO THAT RING POSTION; CONNECTIONS, INCLUDING A PLURALITY OF SWITCH ELEMENTS, FOR CONNECTING SAID DRIVE LINES TO SAID RING POSITION STORAGE DEVICES, THERE BEING AT LEAST ONE SAID CONNECTION JOINED TO EACH OF SAID STORAGE DEVICES, SAID LATCHING ELEMENTS INCLUDING A SWITCH ELEMENT FOR LATCHING ON THE STORAGE DEVICE JOINED TO SAID CONNECTION, AND SAID SWITCH ELEMENTS ALSO INCLUDING A PICK UP SWITCH ELEMENT FOR EACH RING POSITION HAVING A SUCCEEDING RING POSITION, SAID PICK UP SWITCH ELEMENT BEING CONNECTED BETWEEN BOTH THE STORAGE DEVICE IN SAID SUCCEEDING RING POSITION AND THE DRIVE LINE CONNECTED TO SAID SUCCEEDING RING POSITION AND OPERATING SAID STORAGE DEVICE IN SAID SUCCEEDING RING POSITION WHEN SAID LAST-RECITED DRIVE LINE IN ENERGIZED BY A RING SHIFT SIGNAL FROM SAID COMMUTATOR DEVICE.