Development system

Details Development system Development system

1996-07-01

1998-05-26

Brase, Sandra L.

Electrophotography

Image formation

Development

399290, 399291, G03G 1508

Patent

active

057582394

ABSTRACT:
An apparatus for developing a latent image recorded on a surface is disclosed. The apparatus includes a housing defining a chamber storing a supply of developer material comprising toner. The toner donor member spaced from the surface and being adapted to transport toner to a region opposed from the surface. A magnetic brush conveys the developer material in the chamber of said housing onto said donor member. An electrode member near the surface of a donor roll is electrically biased to detach toner from said donor member as to form a toner cloud for developing the latent image. A vibration system, operatively coupled to said donor member vibrates toner on the surface of the donor member, said vibration system coacting with said electrode member to detach toner from said donor member.

REFERENCES:
patent: 3741117 (1973-06-01), Bienert et al.
patent: 5134442 (1992-07-01), Folkins et al.
patent: 5157226 (1992-10-01), Takahashi
patent: 5172170 (1992-12-01), Hays et al.
patent: 5322970 (1994-06-01), Behe et al.
patent: 5339142 (1994-08-01), Hays

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