Patent · US Expired

Carry ripple adder

US6978290B2 · kind B2 · utility

1Cited by

5References

7Claims

0Family size

Assignee

Infineon Technologies AG · DE

Inventors

Joel Hatsch · Holzkirchen, DE
Winfried Kamp · Munich, DE
Siegmar Koppe · Laatzen, DE
Ronald Kunemund · Dietramszell, DE
Eva Lackerschmid · Birkenfeld, DE
Heinz Soldner · Bruckmühl, DE

Key dates

Filing date	Apr 5, 2002
Grant date	Dec 20, 2005
Priority date	—
Expiry date	Nov 24, 2023

Classification

Technology area (CPC G)Physics
CPC primaryG06F7/607
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A carry ripple adder contains five first inputs for accepting five input bits having equal significance w that are to be summed and two second inputs for accepting two carry bits having the significance w. It also contains an output for a sum bit having the significance w and two outputs for two carry bits having the significances 2w and 4w.

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