Message sorter

Claim 1

IN A TAPE MASSAGE SORTER, A SYSTEM FOR CHECKING THE RELIABILITY THEREOF, COMPRISING IN COMBINATION: AN INPUT TAPE TO BE SORTED AS TO CATEGORY OF DATA RECORDED THEREIN, A CONSTANT SPEED TAPE READING DEVICE FOR READING DATA FROM SAID INPUT TAPE AND HAVING THREE READING POSITIONS THEREIN, A PLURALITY OF REPERFORATORS FOR PREPARING INDIVIDUAL OUTPUT TAPES SORTED AS TO CATEGORY, A PLURALITY OF SENSING DEVICES LOCATED ADJACENT OT THE OUTPUT OF SAID REPERFORATORS FOR READING SAID OUTPUT TAPES ONE CHARACTER AFTER THE REPERFORATION THEREOF, FIRST MEANS FOR THE STORAGE AND CODE RECOGNITION OF DATA READ FROM THE FIRST OF SAID THREE POSITIONS AND FOR THE SELECTION OF INDIVIDUAL OUTPUT REPERFORATORS, SECOND MEANS FOR ENERGIZING THE REPERFORATORS IN RESPONSE TO DATA READ FROM THE SECOND OF SAID THREE POSITIONS, COMPARING MEANS TO COMPARE DATA READ FROM THE THIRD OF SAID THREE POSITIONS WITH DATA READ FROM SAID SENSING DEVICES, SAID THREE READING POSITIONS BEING OPERABLE IN TIMED RELATION SUCH THAT THE FIRST AND SECOND OF SAID THREE POSITIONS OPERATE A SUFFICIENT NUMBER OF CHARACTERS APART TO PERMIT CODE RECOGNITION AND REPERFORATOR SELECTION TO COINCIDE WITH THE ENERGIZING OF THE REPERFORATORS, AND THE THIRD OF SAID THREE POSITIONS OPERATES ONE CHARACTER AFTER THE SECOND OF SAID THREE POSITIONS.