Boots – shoes – and leggings
Patent
1984-06-29
1986-12-30
Ruggiero, Joseph
Boots, shoes, and leggings
35016212, 364845, 364813, G06G 716
Patent
active
046334270
ABSTRACT:
An apparatus and method provide for the electrooptic performing of matrix-matrix multiplication, computation of the cross-ambiguity function and calculation of triple correlations. A collimated light source is pulsed to illuminate a first matrix of optically encoded information. Since the first matrix functions in the transmissive mode the same pulsed light is deflected by a polarizing beam splitter to a second matrix of optically encoded information. This matrix, functioning in the reflective mode reflects the pulsed, collimated light back through the beam splitter onto a third matrix of optically encoded information. The third matrix is operated in the reflective mode and reflects the pulsed, collimated light back to the polarizing beam splitter and onto a two-dimensional photodetector array. The photodetector array adds the successively arithmetically processed encoded informations from the first, second and third matrices of information. The information of the first matrix is advanced across the light path from the pulsed, collimated light source and the encoded information from the second and third matrices are advanced across opposite faces of the polarizing beam splitter in a mutually orthogonally displacement with respect to one another. Optionally, the information in the first matrix can be advanced across the path of the pulsed collimated light at right angles to that described above to effect substantially the same mathematical operations called for above.
REFERENCES:
patent: 3305669 (1967-02-01), Fan
patent: 4286328 (1981-08-01), Bocker
patent: 4468093 (1984-08-01), Brown
patent: 4493048 (1985-01-01), Kung et al.
patent: 4544229 (1985-10-01), Verber
patent: 4544230 (1985-10-01), Caulfield
Athale et al--"Optical Matrix-Matrix Multiplier Based on Outer Product Deposition"--Applied Optics--vol. 21, No. 12--Jun. 15, 1982--pp. 2089-2090.
Beers Robert F.
Johnston Ervin F.
Keough Thomas Glenn
Ruggiero Joseph
The United States of America as represented by the Secretary of
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