Apparatus for preventing wire strobing in a hybrid scavengeless development system

A developer unit for developing a latent image recorded on an image receiving member with marking particles, to form a developed image, including an image receiving member moving at a predetermined process speed. A donor member is spaced from the image receiving member and adapted to transport marki...

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Bibliographic Details
Main Authors FIORAVANTI; ALEXANDER J, HIRSCH; MARK J
Format Patent
LanguageEnglish
Published 02.11.1999
Edition6
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:A developer unit for developing a latent image recorded on an image receiving member with marking particles, to form a developed image, including an image receiving member moving at a predetermined process speed. A donor member is spaced from the image receiving member and adapted to transport marking particles to a development zone adjacent the image receiving member. An electrode is positioned in the development zone between the image receiving member and the donor member. A voltage supply to electrically bias the electrode during a developing operation with an alternating current, to detach marking particles from the donor member, forming a cloud of marking particles in the development zone, and developing the latent image with marking particles from the cloud. A modulator, responsive to the predetermined process speed, controls a modulation rate of the voltage supply to minimize harmonic resonant vibrations of the electrode.
Bibliography:Application Number: US19980113024