Optical neural net memory
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United States of America Patent
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-
Jul 18, 1989
Grant Date -
N/A
app pub date -
Dec 10, 1987
filing date -
Dec 10, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An optical neural net, content addressable memory that does not include electronics or slow optics in the feedback path. The memory comprises an optical vector-matrix multiplier that includes a spatial light modulator and input and output optics, and optical feedback means for returning the outputs of the multiplier to the inputs. Presentation of partial data at selected inputs causes the neural net to iterate at light speed to determine the corresponding output data. An arrangement is described for providing bipolar operations and for letting any group of elements act as the net stimulus.
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