Article: British Inventor Develops Redundant Binary Number Accumulating Circuit

ALEXANDRIA, Va., Aug. 7 -- Simon Knowles of Bath, Great Britain, has developed an addition circuit for producing a sum of four redundant binary numbers.

According to the U.S. Patent & Trademark Office: "An addition circuit for producing a sum of four redundant binary numbers includes a 4:2 compression adder for receiving each of the operand fields of the four redundant binary numbers, and producing a first sum field and a first carry field therefrom. The addition circuit further includes a 4:3 compression adder for receiving each of the sparse carry-save fields of the four redundant binary numbers, and producing a second sum field therefrom."

An abstract of the invention, released by ...

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