for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material

Full Title

Apparatus for electrographic processes using a charge pattern > for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material

Classification Context

Section:

PHYSICS

Class:

PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY

Subclass:

ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY

Child Classifications

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• G03G 15/041 with variable magnification
• G03G 15/043 with means for controlling illumination or exposure
• G03G 15/045 with means for charging or discharging distinct portions of the charge pattern on the recording material, e.g. for contrast enhancement or discharging non-image areas