Multi-level image reading apparatus capable of detecting and...

Details Multi-level image reading apparatus capable of detecting and... Multi-level image reading apparatus capable of detecting and...

2005-05-24

2005-05-24

Rogers, Scott (Department: 2626)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S513000, C358S504000, C358S518000

Reexamination Certificate

active

06897979

ABSTRACT:
An image reading apparatus that reads color images by means of scanning the document surface with CCD sensors that correspond to red (R), green (G) and blue (B) colors respectively, comprising: a diagonal line pattern4provided within the CCD sensors' reading ranges; a color shift correction factor arithmetic unit40that detects color shifts from the data obtained by reading the diagonal line pattern and calculates correction factors; and a correction arithmetic unit42that corrects the document image data for each color component read in the previous step using the calculated correction factors.

REFERENCES:
patent: 5361145 (1994-11-01), Hasegawa
patent: 5438364 (1995-08-01), Maeshima et al.
patent: 5734759 (1998-03-01), Hirota et al.
patent: 5892595 (1999-04-01), Yamakawa et al.
patent: 5917620 (1999-06-01), Hasegawa et al.
patent: 5946537 (1999-08-01), Nakayasu et al.
patent: 6198896 (2001-03-01), Nakayasu et al.
patent: 6408156 (2002-06-01), Miyazaki et al.
patent: 6577408 (2003-06-01), Rusnack et al.
patent: 6687472 (2004-02-01), Udaka et al.
patent: 08085236 (1996-02-01), None
patent: 10-51649 (1998-02-01), None

Affiliated with

Also associated with

Rating

Multi-level image reading apparatus capable of detecting and... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Multi-level image reading apparatus capable of detecting and..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Multi-level image reading apparatus capable of detecting and... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3452372