DIFF Subgroup
G09G 3/36 using liquid crystals
Introduced: January 1980
Full Title
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 > by control of light from an independent source > using liquid crystals
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
Child Classifications
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