Optical: systems and elements – Optical modulator – Light wave directional modulation
Patent
1990-12-26
1995-04-25
Epps, Georgia Y.
Optical: systems and elements
Optical modulator
Light wave directional modulation
359311, 364822, G02F 133
Patent
active
054104270
ABSTRACT:
The invention is a method that considerably improves the rapidity of collection and recognition of electrical signals that are mixed with other signals that impede direct access. The subject of the invention is a method for detection, recognition and use of significant trains of modulated signals on a carrier frequency. The apparatus which provides for the method utilizes a sole crystalline Bragg cell wherein two signal trains travel colinearly through the cell.
REFERENCES:
patent: 3457425 (1969-07-01), Preston, Jr.
patent: 4602852 (1986-07-01), Moroz
Bazzi Ouzana
Huignard Jean C. P.
Sauvin Patrick
Torguet Roger
Epps Georgia Y.
Lester Evelyn A.
Sodena
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