Missing character detection

Claim 1

A CODE ANALYZER CAPABLE OF IDENTIFYING A PREDETERMINED NUMBER OF OBLITERATED CHARACTERS FROM AMONG A GROUP OF CHARACTERS PRINTED IN SEQUENTIAL ORDER ON A DOCUMENT COMPRISING READING MEANS WHICH SCANS SAID GROUP OF CHARCTERS IN SAID SEQUENTIAL ORDER AND PRODUCES AN OUTPUT SIGNAL FOR EACH SCANNED CHARACTER WHICH IS RECOGNIZED AND PRODUCES NO OUTPUT SIGNAL WHEN AN OBLITERATED CHARACTER IS SCANNED, THE SAID READING MEANS THEREBY PRODUCING A SEQUENCE OF OUTPUT SIGNALS REPRESENTATIVE OF THE CONDITION OF SAID GROUP OF CHARACTERS, MISSING CHARACTER DETECTION MEANS RESPONSIVE TO THE NUMBER OF CHARACTERS SCANNED BY SAID READING MEANS FOR WHICH NO OUTPUT SIGNAL IS PRODUCED, AND LOGIC MEANS COMPRISING COUNTING MEANS, MEMORY MEANS, AND ANALYZING MEANS, SAID COUNTING MEANS BEING RESPONSIVE TO THE SEQUENCE OF OUTPUT SIGNALS PRODUCED BY SAID READING MEANS AND PRODUCING A COUNT FOR EACH SIGNAL RECEIVED AND PRODUCING NO COUNT WHEN AN OUTPUT SIGNAL IS OMITTED FROM THE SAID SEQUENCE OF OUTPUT SIGNALS, SAID MEMORY MEANS BEING RESPONSIVE TO SAID COUNTING MEANS TO STORE INFORMATION RELATING TO THE SEQUENTIAL POSITION OF THE ABSENT OUTPUT SIGNAL FROM SAID READING MEANS WHICH RESULT WHEN AN OBLITERATED CHARACTER IS SCANNED, AND SAID ANALYZER MEANS BEING CONNECTED TO SAID MEMORY MEANS FOR PRODUCING AN OUTPUT SIGNAL IDENTIFYING THE OBLITERATED CHARACTERS IN RESPONSE TO THE INFORMATION STORED IN SAID MEMORY MEANS, SAID MISSING CHARACTER DETECTION MEANS BEING OPERATIVELY ASSOCIATED WITH SAID ANALYZER MEANS FOR PREVENTING SAID OUTPUT THEREOF WHEN THE NUMBER OF CHARACTERS SCANNED BY SAID READING MEANS FOR WHICH NO OUTPUT SIGNAL IS PRODUCED IS OTHER THAN THE SAID PREDETERMINED NUMBER OF OBLITERATED CHARACTERS.