Method and apparatus for optical computing and logic processing

Details Method and apparatus for optical computing and logic processing Method and apparatus for optical computing and logic processing

1980-04-08

1982-09-28

Punter, William H.

Boots, shoes, and leggings

350335, 350348, 350388, 364713, G02F 129, G02F 100, G06F 756

Patent

active

043515894

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.

REFERENCES:
patent: 3941455 (1976-03-01), O'Brien
patent: 4052705 (1977-10-01), Schaefer et al.
patent: 4272157 (1981-06-01), Collins, Jr. et al.
Pollack et al., "A Low-Noise Image Amplifier", Conf. SID Inter. Symposium, Digest of Tech. Papers, 1976, pp. 141-144.
Tsvetkov et al., "Picture Logic & Liquid Crystals", Sov. Jr. of Quantum Electronics, 2-1975, pp. 989-993.
Goldberg et al., "Integrated Optical Half Adder Circuit", App. Optics, 6-1979, pp. 2045-2051.
Collins et al., "Numerical Optical Data Processing", Conf. Proc. 1978 Intern. Optical Computing Conf., 1978, pp. 194-197.

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