Potential measuring apparatus and potential measuring method

Details Potential measuring apparatus and potential measuring method Potential measuring apparatus and potential measuring method

1998-12-22

1999-11-09

Pendegrass, Joan

Electrophotography

Control of electrophotography process

Of plural processes

324457, 399 73, G03G 1500, G03G 2100

Patent

active

059830433

ABSTRACT:
In a surface potential measuring apparatus for measuring a potential configuration by moving a photosensitive body of an image forming apparatus of electrophotographic type and at least one potential sensor relative to each other and by generating dielectric current in the potential sensor due to change in potential on a surface of the photosensitive body and by analyzing the dielectric current, a width of a detecting portion of the potential sensor is smaller than a width of the change in potential to be measured, and a sectional shape of the detecting portion in a plane perpendicular to the surface of the photosensitive body and parallel to the relative movement direction does not include any edge.

REFERENCES:
patent: 4330749 (1982-05-01), Eda et al.

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