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

Introduced: September 1968

Last revised: January 2006

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

3 direct subcodes

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