Power cloud developing apparatus with a first and second electri

Details Power cloud developing apparatus with a first and second electri Power cloud developing apparatus with a first and second electri

1990-06-11

1991-02-19

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355265, 118654, G03G 1508

Patent

active

049948598

ABSTRACT:
A developing apparatus for use in an electrophotographic apparatus and like, which is adapted to supply a developing material without contact between a developing material support member and an image holding member by utilizing the action of an electric field curtain, wherein the developing material can be transported to the image holding member with requiring no necessities for a large voltage to be impressed thereto and for floating, so that it is prevented that the developing material is scattered during the transportation thereof or a formed image is subjected to fogging.

REFERENCES:
patent: 4431296 (1984-02-01), Haneda et al.

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