Developing apparatus

Photocopying – Including fiber optics

Patent

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Details

118651, 118661, 29132, G03G 1508

Patent

active

047100150

ABSTRACT:
A developing apparatus is disclosed, in which a developing roller composed of an insulating layer, a dielectric layer and an electrically conductive substrate is made in contact with a photosensitive member to develope a latent image on the member. The dielectric layer is formed of a material whose resistivity-specific dielectricity characteristics satisfies a certain condition which is suitable for medial tone development or binary tone development.

REFERENCES:
patent: 3993023 (1976-11-01), Stansell
patent: 3993024 (1976-11-01), Stansell
patent: 4425382 (1984-01-01), Tajima
patent: 4505573 (1985-03-01), Brewington et al.
patent: 4593480 (1986-06-01), Mair et al.

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