Parallel optical information processing system

Details Parallel optical information processing system Parallel optical information processing system

1989-11-21

1991-07-02

Bovernick, Rodney B.

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350 366, 350 382, 35016212, 350330, 364827, 364822, 364200, 3642495, 365125, 382 31, 369103, G03H 108, G06K 976, G02B 2746

Patent

active

050281020

ABSTRACT:
A parallel optical information processing system includes an information inputting part which produces a coherent optical beam spatially modulated by input image information. A rewritable hologram memory carries a plurality of stored images as holograms so that the holograms are overlapped with each other, the rewritable hologram memory being written with image information when illuminated by a recording optical beam. An image reproducing part is supplied with the input image information, and produces reproduced image information from the rewritable hologram memory. A hologram synthesizing part synthesizes a synthetic hologram in response to the reproduced image information. A hologram recording part records the synthetic hologram in the rewritable hologram memory through the recording optical beam.

REFERENCES:
patent: 4462046 (1984-07-01), Spight
patent: 4655542 (1987-04-01), Dube
patent: 4715683 (1987-12-01), Gregory et al.
patent: 4832447 (1989-05-01), Javidi
patent: 4837843 (1989-06-01), Owechko
Lohman, R. D., "An Experimental Holographic Read/Write Optical Memory", Digest of Technical Papers of Topical Meeting on Optical Storage of Digital Data, Aspen, Colo., U.S.A. (19-21 Mar. 1973), 4 pp.

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