Image forming apparatus

Details Image forming apparatus Image forming apparatus

1997-02-04

1998-07-14

Smith, Matthew S.

Incremental printing of symbolic information

Electric marking apparatus or processes

Electrostatic

347 55, B41J 239, B41J 2395

Patent

active

057812187

ABSTRACT:
An image forming apparatus includes: an opposing electrode disposed facing a supporting device; a control electrode disposed between the supporting device and the opposing electrode and having a plurality of gates which form passages for the developer particles; a controlling device which generates a predetermined potential difference between the supporting device and the opposing electrode, supplies a voltage to the control electrode, and, by varying the potential applied to the control electrode, controls passage of the gates for the developer particles; and a plurality of voltage supplying device to supply voltages to the control electrode.

REFERENCES:
patent: 5231427 (1993-07-01), Ohashi
patent: 5329307 (1994-07-01), Takemura et al.
patent: 5353050 (1994-10-01), Kagayama
patent: 5404155 (1995-04-01), Kitamura
patent: 5453768 (1995-09-01), Schmidlin
patent: 5477250 (1995-12-01), Larson
patent: 5523777 (1996-06-01), Kitamura
patent: 5600355 (1997-02-01), Wada
patent: 5614932 (1997-03-01), Kagayama
patent: 5629726 (1997-05-01), Yamasa

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