Circuit for displaying the decimal location in electronic type arithmetical computing devices, particularly in connection with digital data readout devices on decimal indicators

Claim 1

A CIRCUIT FOR INDICATING THE DECIMAL LOCATION IN ARITHMETICAL COMPUTING ELECTRONIC TYPE DEVICES, PARTICULARLY IN CONNECTION WITH READOUT DEVICES FOR DIGITAL DATA ON DECIMAL INDICATORS, CHARACTERIZED IN COMPRISING A SET OF INDICATOR TUBES FOR THE DECIMAL LOCATIONS; A FIRST COUNTER AND A SECOND COUNTER OF THE DECIMAL LOCATIONS, OPERATIVELY COUPLED TO SAID TUBES; MEANS FOR ENTERING THE FACTORS, OPERATIVELY COUPLED TO THE INPUTS OF SAID COUNTERS IN ORDER TO COUNT THE NUMBER OF ENTERED DECIMALS; SAID FIRST CITED COUNTER BEING A UNIDIERCTIONAL COUNTER AND SECOND CITED COUNTER BEING A REVERSIBLE COUNTER; AND MEANS TO CHANGE THE DIRECTION OF COUNTING OF SAID SECOND COUNTER IN ORDER TO INCREASE OR DECREASE ITS CONTENT THROUGH THE NUMBER OF DECIMAL LOCATIONS OF A SECOND FACTOR ACCORDING TO THE LATTER BEING THE SECOND FACTOR OF A MULTIPLICATION OPERATION OR OF A DIVISION OPERATION.