using controlled light sources

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 > using controlled light sources

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

IPC defines codes here since 1980.

Child Classifications

Navigate with arrow keys, Enter to open

G09G 3/24 using incandescent filaments since 1980 IPC+CPC Available in IPC and CPC
G09G 3/28 using luminous gas-discharge panels, e.g. plasma panels since 1980 +1 CPC IPC+CPC Available in IPC and CPC
G09G 3/30 using electroluminescent panels since 1980 IPC+CPC Available in IPC and CPC