Serial addition-subtraction circuit in decimal 1-out-of-10 code

摘要

In the serial addition-subtraction circuit according to the subject of the invention, the final circuit consists of a blocking circuit (5), which passes on only the high potential with the highest value, and a circuit (6), which reduces the digits of the upper range (5 to 9) by the number 5, and a circuit (7), which raises the output number of circuit (6) by the number 5 when its control input is triggered with high potential. <IMAGE>