Electrographic development apparatus for use with conductive ton

Details Electrographic development apparatus for use with conductive ton Electrographic development apparatus for use with conductive ton

1977-07-25

1979-05-22

Schroeder, Werner H.

Coating apparatus

Control means responsive to a randomly occurring sensed...

118651, G03G 1506

Patent

active

041553306

ABSTRACT:
A development roller comprising an electrically-conductive core and an electrically-insulative surface layer is biased to retain a monolayer of conductive toner on the surface, and moved into transfer relation with an electrostatic image bearing member to develop the image. The potential level of the toner can be controlled in conjunction with the roller bias to eliminate background or effect image reversal development.

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patent: 3405682 (1968-10-01), King et al.
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patent: 3816840 (1974-06-01), Kotz
patent: 3850662 (1974-11-01), Jahn
patent: 3866572 (1975-02-01), Gundlach
patent: 3952700 (1976-04-01), Little, Jr. et al.
patent: 4036175 (1977-07-01), Phillips et al.
patent: 4050804 (1977-09-01), Silverberg

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