Data storage and transmission system

Claim 1

A SYSTEM FOR COLLECTING DATA FROM A PLURALITY OF SUBSCRIBERS INCLUDING A DATA PROCESSOR LOCATED AT A DATA REDUCTION CENTER, A PLURALITY OF SUBSCRIBERS DATA TRANSMISSION UNITS, EACH UNIT RESPONSIVE TO A CORRESPONDING UNIQUE INTERROGATION SIGNAL FROM SAID DATA PROCESSOR INCLUDING A UNIQUE ADDRESS PULSE CODE GROUP AND UNIFORMLY RECURRING PULSES, A FIRST COMMUNICATION MEANS BETWEEN SAID CENTER AND ALL OF SAID UNITS FOR TRANSMITTING ANY ONE OF A PLURALITY OF UNIQUE INTERROGATION SIGNALS FROM SAID CENTER TO EACH OF SAID UNITS, A GIVEN ONE OF SAID UNITS COMPRISING A FIRST REGISTER MEANS FOR STORING UNIQUE ADDRESS INFORMATION IN DIGITAL FORM AND DELIVERING IN RESPONSE TO SAID UNIFORMLY RECURRING PULSES A UNIQUE ADDRESS SIGNAL CONSISTING OF A PULSE CODE GROUP REPRESENTING THE ADDRESS INFORMATION STORED; A COMPARATOR MEANS CONNECTED TO SAID FIRST REGISTER MEANS AND FIRST COMMUNICATION MEANS FOR SERIALLY COMPARING THE PULSE CODE GROUP OF SAID UNIQUE ADDRESS SIGNAL WITH THE PULSE CODE GROUP OF SAID INTERROGATION SIGNAL AND FOR PROVIDING A COINCIDENCE SIGNAL WHEN SAID PULSE CODE GROUPS CORRESPOND; A SECOND REGISTER MEANS CONNECTED TO SAID COMPARATOR MEANS FOR STORING DATA IN DIGITAL FORM AND EFFECTIVE UPON RECEIPT OF SAID COINCIDENCE SIGNAL FROM THE COMPARATOR TO GENERATE A PULSE CODE GROUP REPRESENTATIVE OF SAID DATA STORED THEREIN IN RESPONSE TO SAID UNIFORMLY RECURRING PULSES; AND A SECOND COMMUNICATION MEANS BETWEEN THE SECOND REGISTER OF SAID GIVEN UNIT AND SAID DATA REDUCTION CENTER FOR SERIALLY TRANSMITTING SAID PULSE CODE GROUP REPRESENTATIVE OF SAID DATA FROM SAID GIVEN UNIT TO SAID DATA PROCESSOR.