Method and apparatus for charging an electrophotographic member

Details Method and apparatus for charging an electrophotographic member Method and apparatus for charging an electrophotographic member

1975-01-17

1976-05-18

Miller, J. D.

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

250326, H01T 1900

Patent

active

039581624

ABSTRACT:
A method for charging an electrophotographic member which includes rotating a number of elongate corona electrodes, which are positioned parallel to and a predetermined distance from a central axis, about the central axis while simultaneously applying a corona voltage to each of the electrodes whereby each develops a corona, so that a substantially uniform corona charge is applied to the entire electrophotographic member. An additional step, performed simultaneously with production of the corona and rotation of the electrodes, can be the movement of one of the rotating electrodes and the electrophotographic member relative to the other with a predetermined distance being maintained between the member and central axis. Apparatus employed to perform this method also is disclosed.

REFERENCES:
patent: 3233156 (1966-02-01), Jarvis et al.
patent: 3385966 (1968-05-01), Rosenthal

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