Patent · US Expired

Random number generating circuit

US7111029B2 · kind B2 · utility

7Cited by
6References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 6, 2002
Grant dateSep 19, 2006
Priority date
Expiry dateApr 22, 2024

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F7/588
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

A random number generating circuit can generate random numbers with high randomness, and can be made as a compact integrated circuit. The random number generating circuit includes an uncertain logic circuit having a flip-flop type logic circuit that gives digital output values not determined definitely by a digital input value, and an equalizing circuit having an exclusive OR operating circuit for equalizing appearance frequencies of “0” and “1” in the digital output values output from the uncertain logic circuit.

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