Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1990-09-28
1992-09-15
Oberley, Alvin E.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
359392, 359318, G09G 334
Patent
active
051481570
ABSTRACT:
It is possible to control the amplitude and phase modulation of light independently and simultaneously. The invention described here details how to do so by dividing a picture element into smaller modulating elements, providing independent addressing for each element, setting the necessary angle for each element and then resolving them into the picture element. The invention also show one embodiment of the invention.
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Brown, B. R. and Lohmann, A. W. "Complex Spatial Filtering with Binary Masks", Applied Optics, Jun. 1966, pp. 967-969.
Kast et al., "Implementation of Ternary Phase Amplitude Filters using a Magnetooptic Spatial Light Modulator, " Applied Optics, Mar. 15, 1989, pp. 1044-1046.
Hansche et al., "Quad-Phase-Only Filter Implementation," Applied Optics, Nov. 15, 1989, pp. 4840-4844.
Donaldson Richard L.
Kesterson James C.
Liang Regina
Oberley Alvin E.
Schneider Julie L.
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