Direct marking apparatus for selectively providing powdered...

Details Direct marking apparatus for selectively providing powdered... Direct marking apparatus for selectively providing powdered...

2011-07-05

2011-07-05

Grainger, Quana M (Department: 2852)

Electrophotography

Image formation

Development

Reexamination Certificate

active

07974559

ABSTRACT:
A marking apparatus including a traveling wave grid toner transport circuit structure for transporting powdered toner along a transport surface, and electric field concentrating elements for selectively enabling toner patches to be projected to an output medium by a projecting electric field.

REFERENCES:
patent: 6175707 (2001-01-01), Eklund et al.
patent: 6219515 (2001-04-01), Lestrange
patent: 6246855 (2001-06-01), Gartstein et al.
patent: 7217901 (2007-05-01), Lean et al.
patent: 7293862 (2007-11-01), Lean et al.
patent: 7304258 (2007-12-01), Lean et al.

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