Data transmission system

Claim 1

A DATA TRANSMISSION SYSTEM COMPRISING A DATA RECEIVER, A PLURALITY OF DATA SUPPLY SOURCES ADAPTED TO BE COUPLED TO SAID RECEIVER THROUGH A DATA COMMUNICATION CHANNEL COMMON TO ALL THEREOF, MEANS AT EACH LOCATION OF A DATA SOURCE AND OPERABLE TO INITIATE A REQUEST FOR ACCESS TO SAID DATA CHANNEL OF ANY LOCAL DATA SUPPLY SOURCE HAVING DATA AVAILABLE FOR TRANSMISSION, CONTROL MEANS AT SAID EACH SOURCE LOCATION AND OPERATED BY SAID ACCESS REQUEST MEANS THEREOF FOR SENSING THE ESTABLISHMENT OF PRESELECTED OPERATIONAL CONDITIONS VERIFYING THAT ANY AVAILABLE-DATA SUPPLY SOURCE AT SAID EACH LOCATION HAS A QUANTITY OF DATA IN READINESS FOR TRANSMISSION AND HAS PERFORMED A PRELIMINARY OPERATION EVIDENCING THAT SUCH SOURCE IS IN OPERATIONAL READINESS TO TRANSMIT ITS AVAILABLE DATA AND UPON SUCH VERIFICATION TO COMPLETE THE REQUEST FOR ACCESS TO SAID CHANNEL OF SAID READY DATA SOURCES, AND MEANS PROVIDING AUTOMATIC OPERATIONAL INTERCONTROL BETWEEN SAID ACCESS INITIATING CONTROL MEANS OF ALL OF SAID DATA-SOURCE LOCATIONS FOR DYNAMICALLY ASSIGNING BY A PRESELECTED PROGRAM OF SEQUENTIAL PRIORITIES FROM A FIRST TO A LAST THEREOF THE ORDERS IN WHICH THE DATA SOURCES OF LOCALITIES HAVING CONTROL-MEANS VERIFIED READINESS FOR ACCESS AUTOMATICALLY COMPLETE THEIR ACCESS ONE AFTER ANOTHER TO SAID CHANNEL FOR CONSECUTIVE SOURCE TRANSMISSIONS TO SAID RECEIVER.