Image forming apparatus and image forming method

Details Image forming apparatus and image forming method Image forming apparatus and image forming method

2007-02-28

2010-12-14

Poon, King Y (Department: 2625)

Facsimile and static presentation processing

Natural color facsimile

Color correction

C358S001900, C358S518000, C358S520000, C358S521000, C358S522000, C382S167000, C382S168000

Reexamination Certificate

active

07852532

ABSTRACT:
An image forming apparatus including: an outputting section to output a chart which has a gradation pattern in a low-density area, the gradation pattern including patches, each of the patches having a density; a reading section to read-in the density of each of the patches; a calculating section to calculate, based on the density, an adjusting value to conduct a gamma correction; and an output adjusting section to conduct an adjustment of an output in the low-density area based on the calculated adjusting value.

REFERENCES:
patent: 5123060 (1992-06-01), Cho et al.
patent: 5212560 (1993-05-01), Hattori et al.
patent: 5473373 (1995-12-01), Hwung et al.
patent: 5589914 (1996-12-01), Katsuhara
patent: 5754683 (1998-05-01), Hayashi et al.
patent: 5920407 (1999-07-01), Erickson et al.
patent: 6052138 (2000-04-01), Kojima
patent: 6226108 (2001-05-01), Toyohara et al.
patent: 6574010 (2003-06-01), Ohnuma et al.
patent: 6644772 (2003-11-01), Choi
patent: 6690490 (2004-02-01), Murakami
patent: 6965462 (2005-11-01), Henderson et al.
patent: 7142712 (2006-11-01), Maruoka et al.
patent: 7177481 (2007-02-01), Kaji
patent: 7251056 (2007-07-01), Matsushima
patent: 7265795 (2007-09-01), Ohyama et al.
patent: 7292370 (2007-11-01), Iwaki
patent: 7307752 (2007-12-01), Mestha et al.
patent: 2004/0012800 (2004-01-01), Nakane et al.
patent: 07-230213 (1995-08-01), None
patent: 2003-140406 (2003-05-01), None
patent: 2003-298842 (2003-10-01), None
Office Action in JP 2006-105152 dated Jul. 22, 2008, and English Translation thereof.

Affiliated with

Also associated with

Rating

Image forming apparatus and image forming method does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Image forming apparatus and image forming method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Image forming apparatus and image forming method will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4225323