Electronic data processing equipment

Claim 1

IN AN ELECTRONIC DATA PROCESSING SYSTEM, A REAL TIME SUBSYSTEM CAPABLE OF PROCESSING CONTROL AND DATA INFORMATIN AND COMPRISING: A FIRST SIGNAL AND SHIFTING BUFFER REGISTER FOR STORING ANY ONE OF SEVERAL CLASSES OF MULTIBIT INFORMATION WORDS EACH CLASS BEING CHARACTERIZED BY A DIFFERENT WORD LENGTH; MEANS FOR SUCCESSIVELY TRANSFERRING GROUPS OF BINARY SIGNAL BITS OUT OF SAID REGISTER AND SHIFTING THE REMAINING GROUPS WITHIN SAID REGISTER; A FIRST MEANS FOR SENSING AT LEAST SOME OF SAID SIGNAL BITS TO CHARACTERIZE THE TYPE OF INFORMATION STORED AND TO STOP SAID SHIFTING AND TRANSFERRING ACTIONS AFTER A FULL WORD HAS BEEN EMITTED; MEANS FOR GENERATING A PARITY SIGNAL FOR EACH OF SAID GROUPS; A SECOND SIGNAL SHIFTING BUFFER REGISTER FOR STORING SAID GROUPS; MEANS FOR CHECKING PARITY FOR EACH GROUP; A COMMUNICATIONS MEANS CONNECTING SAID FIRST REGISTER AND SAID PARITY GENERATOR TO SAID SECOND REGISTER AND SAID PARITY CHECKER; MEANS FOR SUCCESSIVELY TRANSFERRING ONE OF SAID GROUPS FROM SAID COMMUNICATIONS MEANS INTO SAID SECOND REGISTER AND SHIFTING THE GROUPS WITHIN SAID SECOND REGISTER; AND, A SECOND MEANS FOR RECOGNIZING THE TYPE OF INFORMATION AND STOPPING SAID TRANSFER AND SHIFTING ACTIONS IN SAID SECOND REGISTER WHEN A FULL WORD HAS BEEN STORED.