Data queuing system with use of recirculating delay line

Claim 1

IN A QUEUING SYSTEM ADAPTED TO STORE A PLURALITY OF DATA CHARACTERS IN A CIRCULATING QUEUE OF TIME SLOTS, EACH SAID TIME SLOT PROVIDED WITH A STATUS BIT POSITION TO INDICATE THE PRESENCE OR ABSENCE OF A DATA CHARACTER, SAID SYSTEM PROVIDED WITH A FIRST AND SECOND MODE OF OPERATION: DELAY MEANS HAVING AN INPUT AND OUTPUT AND ADAPTED TO STORE A PLURALITY OF DATA CHARACTERS IN DISCRETE TIME SLOTS; RECIRCULATING MEANS INCLUDING A SERIALLY CONNECTED CHARACTER REGISTER AND SHIFT REGISTER COUPLING THE OUTPUT OF SAID DELAY MEANS TO ITS INPUT, THE PROPAGATION DELAY THROUGH SAID CHARACTER REGISTER ENCOMPASSING AT LEAST ONE TIME SLOT; FIRST BILATERAL DATA TRANSFER MEANS COUPLED TO SAID CHARACTER REGISTER AND ENABLED IN SAID FIRST MODE TO ACCESS A DATA CHARACTER STORED IN THE LAST TIME SLOT OF SAID QUEUE AND IN A SECOND MODE, TO INSERT A DATA CHARACTER THEREIN AND TO SET SAID STATUS BIT POSITION TO A "FULL" INDICATION; SECOND BILATERAL DATA TRANSFER MEANS COUPLED TO SAID CHARACTER REGISTER AND ENABLED IN SAID FIRST MODE TO INSERT A DATA CHARACTER IN THE FIRST TIME SLOT OF SAID QUEUE AND TO SET SAID STATUS BIT POSITION TO A "FULL" INDICATION AND IN A SECOND MODE, TO ACCESS A DATA CHARACTER STORED THEREIN;