Boots – shoes – and leggings
Patent
1981-11-02
1984-01-17
Davie, James W.
Boots, shoes, and leggings
364819, G02F 111
Patent
active
044261349
ABSTRACT:
A method and device for processing spread-spectrum and other wideband comications and radar signals to obtain three and four product correlated signals. A laser beam is split and shaped into first and second sheet beams. The first beam is directed to a first acousto-optic medium where it is doubly diffracted by first and second signals. The second beam is directed to a second acousto-optic medium which is spatially rotated 90.degree. relative to the first acousto-optic medium where the second sheet beam is either singly diffracted by a third signal or doubly diffracted by a third signal and a fourth signal. The diffracted sheet beams are shaped into square beams, combined and directed to a photodiode area array.
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Abramovitz Irwin J.
Berg Norman J.
Casseday Michael W.
Davie James W.
Elbaum Saul
Gibson Robert P.
Jr. Leon Scott
Lane Anthony T.
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