Coating apparatus – With means to apply electrical and/or radiant energy to work... – With electromagnetic and/or electrostatic removal of...
Patent
1981-01-28
1983-05-10
Kittle, John E.
Coating apparatus
With means to apply electrical and/or radiant energy to work...
With electromagnetic and/or electrostatic removal of...
118656, 355 3DD, G03G 1509, G03G 1506
Patent
active
043824200
ABSTRACT:
An apparatus for developing a latent electrostatic image formed on a photoconductive recording material in a dry type electrophotographic copying machine typically employing a one-component type developer comprises a conductive electrode held in contact with the developer. The electrode is connected to a power source through a switching device and serves to charge the developer to a predetermined polarity with a predetermined potential before the latent image is developed. In this way, the latent image can be developed selectively as either a normal image or a reverse image quite easily.
REFERENCES:
patent: 4036175 (1977-07-01), Phillips et al.
patent: 4119060 (1978-10-01), Mochizuki
patent: 4121931 (1978-10-01), Nelson
patent: 4194828 (1980-03-01), Holz et al.
Miyakawa Seiichi
Mochizuki Nobuo
Ohnuma Teruyuki
Oyama Hajime
Tabata Yukio
Burke Henry T.
Goodrow John L.
Kittle John E.
Ricoh & Company, Ltd.
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