Random number generator
US8209367B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2007 |
| Grant date | Jun 26, 2012 |
| Priority date | — |
| Expiry date | Sep 29, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F7/588
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The invention concerns a random number generator comprising a n-bit LSFR at least one oscillator having at least one delay element introducing a variable delay in the counter feedback loop, and at least one sampling/holding device having at least one input coupled to an output of the oscillator, and at least one output coupled to a input of the LSFR, and a clock input receiving a sampling clock signal at a much lower frequency than the oscillator frequency. Said generator is for example configured to vary the delay introduced by the oscillator delay based on a number q of feedback bits among the n bits of the LSFR output, where q is a an integer such that 1≦q≦n.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.