Discorotron charging device
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United States of America Patent
Stats
-
Sep 21, 2004
Grant Date -
Apr 29, 2004
app pub date -
Oct 28, 2002
filing date -
Oct 28, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a high speed color printer wherein color images are produced by superposing a developed image atop another developed image, the improvement including a charging system for charging a surface, including: at least two coronodes; a housing with the at least two coronodes spaced from each other; a grid interposed between the surface and the at least two coronodes; a shield, interposed between the housing and the at least two coronodes; a first power supply for biasing the grid and shield; a second power supply for energizing each of the at least two coronodes; and a phase controller connected to the second power supply and adapted to control energizing of the at least two coronodes such that each of the at least two coronodes is charged at a phase difference.
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Cited Art Landscape
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