Information handling apparatus

Claim 1

IN AN APPARATUS FOR RECORDING INFORMATION THE COMBINATION COMPRISING FIRST MEANS FOR TRANSFERRING INFORMATION TO BE RECORDED AND SECOND MEANS FOR PREPARING CHECK DATA FROM SAID INFORMATION TO BE TRANSFERRED, SAID APPARATUS FURTHER COMPRISING DATA SELECTING MEANS INCLUDING A PLURALITY OF MANUALLY SELECTABLE DATA IDENTIFYING KEYS, MEANS CONNECTING THE OUTPUT OF EACH OF SAID PLURALITY OF MANUALLY SELECTABLE KEYS INDEPENDENTLY TO SAID FIRST AND SECOND MEANS, A DATA RECORDER CONNECTED THROUGH SAID FIRST AND SECOND MEANS TO BE ACTIVATED BY THE DATA SELECTION OF SAID MANUALLY SELECTABLE KEYS, SAID DATA RECORDER BEING ACTUATED UPON SELECTION OF SAID MANUALLY SELECTABLE KEYS TO RECORD SAID DATA SELECTION AS TRANSFERRED THROUGH SAID FIRST MEANS, SAID DATA RECORDER BEING FURTHER ACTUATED TO RECORD CHECK DATA AS PREPARED IN SAID SECOND MEANS, SAID SECOND MEANS FURTHER COMPRISING ENCODING MEANS CONNECTED TO BE ACTUATED BY SAID SELECTING MEANS TO PRODUCE A BINARY CODE REPRESENTATION FOR EACH DATA SELECTION MADE, MEANS CONNECTED TO SAID ENCODING MEANS FOR ACCUMULATING IN ACCORDANCE WITH A PREDETERMINED MODULUS THE TOTAL OF THE BINARY CODED REPRESENTATION FOR SAID ENCODED BINARY DATA, AND TIMING MEANS CONNECTING SELECTED PORTIONS OF THE OUTPUT OF SAID ACCUMULATING MEANS TO SAID DATA RECORDER TO ACTIVATE SAID RECORDER IN ACCORDANCE WITH THE REPRESENTATION IN SAID ACCUMULATOR.