Patent · US Expired

Recursive adder for calculating the sum of two operands

US4942549A · kind A · utility

5Cited by
3References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 7, 1989
Grant dateJul 17, 1990
Priority date
Expiry dateMar 7, 2009

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F7/508
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A recursive type adder for calculating the sum of two operands. It is used to calculate the sum of two binary data numbers using adders in the form of integrated circuits, particularly for information processing systems wherein the adders constitute one of the fundamental operations of data processing. The invention is classified in the category of parallel-parallel type adders.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.