Binary random number generator
US6218973A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 5, 1999 |
| Grant date | Apr 17, 2001 |
| Priority date | — |
| Expiry date | Mar 5, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F7/588
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A random number generator includes a sample clock having a sample clock rate, a chaotic oscillator having a characteristic upper frequency, and an output section. The chaotic oscillator includes a quantized linear section and a non-linear section. The quantized linear section includes multiple quantized integrators coupled to the sample clock and intercoupled in a linear intercoupling. The non-linear section is coupled in a feedback manner with the quantized linear section. The output section generates a random binary output signal having the sample clock rate, formed by a logical combination of binary signals, of which one binary signal is generated by each of the multiple quantized integrators. Each quantized integrator includes an analog to digital converter that preferably includes a sigma delta converter that generates one of the binary signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.