Method and apparatus for optical computing and logic processing by mapping of input optical intensity into position of an optical image
US4351589A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 8, 1980 |
| Grant date | Sep 28, 1982 |
| Priority date | — |
| Expiry date | Apr 8, 2000 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F3/00
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Arrangements and methods are described employing input optical intensity to output spatial position mapping, for performing optical computing or logic processing functions. An electro-optical device which receives discrete input optical object beams of different intensity levels and a separate readout optical beam, diffracts portions of the readout optical beam to unique spatial positions in two dimensional space, each portion as a function of the intensity of individual discrete input beams or of combinations of the intensities of the input beams. A spatial filter having discrete apertures at selected ones of the unique spatial positions transmits the selected diffracted optical outputs for implementing logic or computing functions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.