COMBINATION ADDER OF STRUCTURAL CODES Russian patent published in 1994 - IPC

FIELD: automatics, computer engineering. SUBSTANCE: combination adder has stages each consisting of three-input one-stage binary adder, majority element, four OR gates, four AND gates, two IMPLICATION elements, inhibition element. Second and third stages have one additional OR gate. EFFECT: increased speed of response of adder thanks to simultaneous summing of three numbers presented in binary excess minimal numbering system. 3 dwg, 1 tbl