Data retrieval and coupling system

Claim 1

A DATA RETRIEVAL SYSTEM WHICH COMPRISES (A) A CYCLIC MEMORY FOR STORING DATA, (B) DISPLAY UNITS EACH INCLUDING MEANS FOR PRODUCING REQUEST SIGNALS, MEANS FOR REEIVING REPLIES THERETO AND MEANS FOR DISPLAYING SAID REPLIES, (C) A PLURALITY OF SAID DISPLAY UNITS CONNECTED HAVING A PLURALITY OF SAID DISPLAY UNITS CONNECTED THERETO, (D) A PLURALITY OF DATA RETRIEVING MEANS, (E) A PLURALITY OF COMMUNICATION MEANS CONNECTING RESPECTIVE DATA COLLECTOR-TERMINUS MEANS AND DATA RETRIEVING MEANS FOR TRANSMISSION IN BOTH DIRECTIONS THEREBETWEEN, (F) EACH DATA COLLECTOR-TERMINUS MEANS INCLUDING MEANS FOR RECEIVING REQUEST SIGNALS FROM SAID DISPLAY UNITS AND MEANS FOR TRANSMITTING CORRESPONDING REQUEST MESSAGES TO THE RESPECTIVE DATA RETRIEVING MEANS, (G) EACH DATA RETRIEVING MEANS INCLUDING MEANS FOR STORING REQUEST MESSAGES RECEIVED THREAT, (H) MEMORY OUTPUT MEANS HAVING SAID PLURALITY OF DATA RETRIEVING MEANS CONNECTED THERETO, (I) SAID MEMORY OUTPUT MEANS INCLUDING MEANS RESPONSIVE TO REQUEST MESSAGES FOR SAID DATA RETRIEVING MEANS FOR OBTAINING CORRESPONDING REPLAY DATA FROM SAID MEMORY AND MEANS FOR SUPPLYING THE REPLY DATA TO THE REQUESTING DATA RETRIEVING MEANS, (J) SEQUENCING MEANS RESPONSIVE TO THE SUPPLYING OF REPLY DATA TO ONE DATA RETRIEVING MEANS FOR ENABLING THE NEXT DATA RETRIEVING MEANS TO SUPPLY A REQUEST MESSAGE TO THE MEMORY OUTPUT MEANS AND RECEIVE REPLY DATA THEREFROM, (K) EACH DATA RETRIEVING MEANS INCLUDING MEANS FOR STORING REPLY DATA AND MEANS FOR TRANSMITTING A CORRESPONDING REPLY MESSAGE TO THE RESPECTIVE DATA COLLECTOR-TERMINUOUS MEANS, (I) MEANS AT EACH DATA COLLECTOR-TERMINUOUS MEANS FOR SUPPLYING REPLY DATA IN A REPLY MESSAGE TO THE REQUESTING DISPLAY UNIT, (M) AND SEQUENCING MEANS FOR ENABLING THE DISPLAY UNITS CONNECTED TO EACH DATA COLLECTOR-TERMINAL MEANS IN SUCCESSION FOR THE TRANSMISSION OF REQUESTS AND RECEIVING REPLIES THERETO.