Electrophotography – Control of electrophotography process – Control of developing
Reexamination Certificate
2011-03-15
2011-03-15
Beatty, Robert (Department: 2852)
Electrophotography
Control of electrophotography process
Control of developing
C399S266000, C399S291000
Reexamination Certificate
active
07907856
ABSTRACT:
An apparatus for developing a latent image on a latent image carrier includes a toner carrier and multiple electrodes arranged at intervals on a surface of the toner carrier. A potential difference is formed between even-numbered electrodes and odd-numbered electrodes of the electrodes by applying a first pulse voltage to the even-numbered electrodes and a second pulse voltage to the odd-numbered electrodes so that toner on the surface of the toner carrier moves back and forth between the electrodes, where the first and second pulse voltages are in different phases, and the toner moving back and forth between the electrodes is conveyed to a position facing the latent image carrier by movement of the surface of the toner carrier and thereby caused to adhere to the latent image on the latent image carrier.
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Horike Masanori
Ishii Yasuyuki
Kadota Ichiro
Kondoh Nobuaki
Kosugi Hideki
Beatty Robert
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Ricoh & Company, Ltd.
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