Delay storage time slot selector

Claim 1

A DELAY TIME SLOT STORAGE SYSTEM INCLUDING A DELAY UNIT HAVING A PERIOD CORRESPONDING TO A PLURALITY OF TIME SLOTS COMPRISING ONE FRAME, SAID SLOTS BEING AVAILABLE FOR SEPARATE MESSAGES INVOLVING POSSIBLE CROSS-TALK BETWEEN MESSAGES USING ADJACENT SLOTS, AN INPUT-OUTPUT CIRCUIT CONNECTED TO SAID DELAY UNIT INCLUDING: AN INPUT AND GATE TO ALLOW ENTRY OF SELECTED TIME SLOTS FROM A SOURCE TO BE STORED IN SAID DELAY UNIT, A CONTROL DEVICE FOR SAID INPUT GATE TO ALLOW ENTRY OF A NEW SLOT AND RESPONSIVE TO SUCH NEW SLOT TO STOP FURTHER ENTRY OF NEW SLOTS, A SECOND AND GATE TO ALLOW RECIRCULATION OF A TIME SLOT IN SAID DELAY UNIT FOR A PLURALITY OF FRAMES, A THIRD AND GATE RESPONSIVE TO A SLOT REMOVED FROM SAID DELAY UNIT TO OPERATE SAID CONTROL DEVICE TO ALLOW ENTRY OF ANOTHER SLOT, A JOINT CONTROL DEVICE TO ALLOW OPERATION OF SAID SECOND GATE EXCEPT WHEN ALLOWING OPERATION OF SAID THIRD GATE, SAID JOINT CONTROL DEVICE BEING ARRANGED TO START OPERATION OF SAID THIRD GATE IN RESPONSE TO A CONTROL SIGNAL AND TO STOP OPERATION OF SAID THIRD GATE AFTER REMOVAL OF A SLOT, SAID CONTROL DEVICE FOR THE INPUT GATE INCLUDING MEANS TO EXCLUDE FROM THE INPUT GATE THE FIRST SLOT FOLLOWING THAT REMOVED THROUGH SAID THIRD GATE, WHEREBY SAID SLOTS ENTERED IN SAID UNITS ARE BETTER SEPARATED TO REDUCE CROSS-TALK WHEN ALL SLOTS ARE NOT IN USE.