Image forming apparatus

Details Image forming apparatus Image forming apparatus

2005-12-20

2005-12-20

Ngo, Hoang (Department: 2852)

Electrophotography

Image formation

Development

C399S267000, C399S275000, C399S277000

Reexamination Certificate

active

06978109

ABSTRACT:
An electrophotographic image forming apparatus of the present invention frees images from various defects including the thinning of horizontal lines, the omission of the trailing edge of an image, background contamination, granularity particular to a halftone image, carrier scattering, and image noise. Further, the apparatus of the present invention solves problems ascribable to patches used to sense image density. Moreover, the apparatus of the present invention faithfully reproduces tonality and has a high developing ability.

REFERENCES:
patent: 5860049 (1999-01-01), Kumasaka et al.
patent: 8-160725 (1996-06-01), None
patent: 2000-305360 (2000-11-01), None

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