Electrophotography – Internal machine environment – Particle or contaminant control
Reexamination Certificate
2007-02-06
2007-02-06
Gray, David M. (Department: 2852)
Electrophotography
Internal machine environment
Particle or contaminant control
C399S092000, C399S093000, C399S098000, C399S099000, C399S170000, C399S171000
Reexamination Certificate
active
10902723
ABSTRACT:
An apparatus and method for reducing contamination of an image transfer surface in an image transfer device includes a charging device for charging the image transfer surface. An airflow control system ventilates the charging device and restricts airflow adjacent the image transfer surface.
REFERENCES:
patent: 4720727 (1988-01-01), Yoshida
patent: 4725731 (1988-02-01), Lang
patent: 4954843 (1990-09-01), Oka et al.
patent: 5170211 (1992-12-01), Haupt et al.
patent: 5485251 (1996-01-01), Kita et al.
patent: 6339688 (2002-01-01), Cho et al.
patent: 6385414 (2002-05-01), Sato et al.
patent: 6678486 (2004-01-01), Amering et al.
patent: 6708009 (2004-03-01), Fuwazaki et al.
patent: 2003/0128996 (2003-07-01), Fournia
patent: 61190353 (1986-08-01), None
Chang Seongsik
Gila Omer
Lee Michael H.
Gray David M.
Hewlett-Packard Development Company LP.
Wong Joseph S.
LandOfFree
Apparatus and method for reducing contamination of an image... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Apparatus and method for reducing contamination of an image..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus and method for reducing contamination of an image... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3883618