Method and apparatus for performing a multiple-input optical ari

Details Method and apparatus for performing a multiple-input optical ari Method and apparatus for performing a multiple-input optical ari

1991-05-14

1993-03-02

Baker, Stephen M.

Boots, shoes, and leggings

364769, G06G 900

Patent

active

051915499

ABSTRACT:
An optical arithmetic comparator (OAC) is disclosed which is capable of comparing multiple numbers simultaneously, and indicating the common value of the multiple numbers being compared if the numbers are equal. The OAC includes at least two input channels each having a plurality of sources arranged in an identical pattern, the sources being capable of selective activation such that only one source is activated at a time within each of the channels to form a specific spatial light pattern, and a detector array which determines if the specific spatial light pattern indicated the numbers being compared are equal.

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Hurst, S. L., "Multiple-valued threshold logic: its status and its realization", Optical Engineering, vol. 25, No. 1, Jan. 1986, Bellingham, Wash., pp. 44-55.

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