aparelho de carregar a cilindro polarizado tendo tensão de entrada de ca limitada

aparelho de carregar a cilindro polarizado tendo tensão de entrada de ca limitada

An apparatus for applying an electrical charge to a charge retentive surface, wherein a bias contact roll member is situated in contact with a surface of the photoreceptor. The bias contact roll member is supplied with an electrical bias including an oscillating voltage signal having a DC offset, wh...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: JAMES M. MARKOVICS, BRENDAM W. KUNZMANN, JAMES D. RIEHLE
Format: Patent
Sprache:por
Schlagworte:
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Beschreibung
Zusammenfassung:An apparatus for applying an electrical charge to a charge retentive surface, wherein a bias contact roll member is situated in contact with a surface of the photoreceptor. The bias contact roll member is supplied with an electrical bias including an oscillating voltage signal having a DC offset, wherein the oscillating voltage is clipped via a rectifier circuit to remove a predetermined polarity component thereof.