Developing apparatus using a developer carrier capable of formin

Details Developing apparatus using a developer carrier capable of formin Developing apparatus using a developer carrier capable of formin

1992-04-27

1994-05-24

Grimley, A. T.

Coating apparatus

With means to apply electrical and/or radiant energy to work...

With electromagnetic and/or electrostatic removal of...

355261, G03G 1506

Patent

active

053150619

ABSTRACT:
A developing apparatus using a developer carrier which is capable of forming microfields on the surface of the carrier. A great amount of sufficiently charged one-component developer is deposited on the surface of the developer carrier by the microfields and transported to a developing region to be supplied to an electrostatic latent image. The developer carrier has a plurality of surface portions, each having a particular characteristic, such that at least one surface portion holds a first charge while at least another surface portion holds a second charge that is equal to and of an opposite polarity to the first charge.

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