DIFF Subgroup
G03G 13/04 Exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Electrographic processes using a charge pattern > Exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
CPC:
Electrographic processes using a charge pattern (G03G15/00, G03G16/00, G03G17/00 take precedence) > Exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1995.
Child Classifications
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- G03G 13/045 Charging or discharging distinct portions of the charge pattern on the recording material, e.g. discharging non-image areas or contrast enhancement (G03G13/34, G03G21/06 take precedence) since 1995 IPC+CPC Available in IPC and CPC