![]() ![]() Recent technological developments in information exchange systems have witnessed proposals to replace keyboards or scanners as the fundamental message entry device. G09G3/3685- Details of drivers for data electrodes.G09G3/3674- Details of drivers for scan electrodes.G09G3/3611- Control of matrices with row and column drivers.a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals G09G3/36- Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g.a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source ![]()
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