Buried electrode drum for an electrophotographic print engine with controlled resistivity layer
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United States of America Patent
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Oct 17, 1995
Issued Date -
N/A
app pub date -
Dec 6, 1993
filing date -
Sep 30, 1992
priority date (Note) -
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status (Latency Note)
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Abstract
A buried electrode drum (48) includes a rigid core (10) over which a controlled durometer layer (12) is disposed. On the surface of the controlled durometer layer (12) is disposed a buried electrode layer (14), having electrodes (16) disposed therein along the longitudinal axis of the drum (48). The electrode layer (14) is covered by a controlled resistivity layer (18). The controlled resistivity layer (18) is operable to be contacted on the surface thereof by an electrode (24) to allow a voltage to be transferred to the underlying electrodes (16) and therefrom along the longitudinal axis of the drum (48). Various electrodes can be disposed about the peripheral edge of the drum (48) to allow any pattern to be formed on the surface of the drum (48).
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