Spatial light modulator and neural network

Details Spatial light modulator and neural network Spatial light modulator and neural network

1992-01-09

1995-06-27

MacDonald, Allen R.

G02F 1135, G06F 1576

Patent

active

054287111

ABSTRACT:
A neural network system comprising input, intermediate and output layers interconnected through synapses, respectively is disclosed.
Each layer is comprised of a plurality of spatial light modulator units each of which is comprised of a photoconductive layer sandwiched between electrodes and a light modulation layer electrically connected to the photoconductive layer of which the light transmittance varies according to a voltage applied thereto, wherein electric currents induced by light bundles incident to the photoconductive layer are summed to cause a change in the voltage to be applied to the light modulation layer according to which the light transmittance is varied dependently thereon.

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patent: 5056897 (1991-10-01), Akiyama et al.
patent: 5063531 (1991-11-01), Kawai et al.
patent: 5131055 (1992-07-01), Chao
J. Till, Electronic Design, vol. 37, No. 12 (Jun. 8, 1989), p. 27.
I. Shariv et al., All Optical Neural Network With Inhibitory Neurons, Optics Letters, vol. 14, No. 10 pp. 485-487 (1989).

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