G - Physics – 03 – G
Patent
G - Physics
03
G
314/37, 32/12.14
G03G 13/10 (2006.01) G03G 15/06 (2006.01) G03G 15/10 (2006.01) G03G 15/22 (2006.01)
Patent
CA 1150946
ABSTRACT OF THE DISCLOSURE: A photoconductive member useful in a wet-type electro- graphic device is char?ed and radiated with a light image to pro- duce an electrostatic image. Sensing electrodes automatically sense through a developing solution the remaining potential in a portion of the electrostatic image corresponding to a background area of the original document scanned to produce the light image. In one embodiment the area is a white reference document disposed adjacent to the original document. In another embodiment a refe- rence document is not provided and a plurality of portions of the electrostatic image are sensed. The lowest value of the sensed potential is utilized. Computing circuits compute and apply the biasing voltage to the developing electrode as a predetermined function of the sensed potential.
226618
Eda Tadahiro
Miyakawa Seiichi
Ricoh Company Limited
Robic Robic & Associes/associates
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