Optical image processor employing a nonlinear medium with active gain
US5675436A · kind A · utility
5Cited by
6References
8Claims
0Family size
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Key dates
| Filing date | Apr 5, 1995 |
| Grant date | Oct 7, 1997 |
| Priority date | — |
| Expiry date | Apr 5, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06E3/003
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An optical image processor includes a nonlinear active gain medium for recording an interference pattern that corresponds to the Fourier transform of an input image or the multiplicative product of the Fourier transforms of two respective input images.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.