DIFF Subgroup
G09G 3/282 using DC panels
Introduced: January 2000
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 > using controlled light sources > using luminous gas-discharge panels, e.g. plasma panels > using DC panels
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 2000.
Child Classifications
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