Invention Grant
- Patent Title: Bidirectional multi-pass inkjet printer suppressing density unevenness based on interval between scans
- Patent Title (中): 基于扫描间隔的双向多通喷墨打印机抑制浓度不均匀
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Application No.: US12498681Application Date: 2009-07-07
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Publication No.: US08289571B2Publication Date: 2012-10-16
- Inventor: Hiroyuki Horii , Hisashi Ishikawa
- Applicant: Hiroyuki Horii , Hisashi Ishikawa
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Cowan, Liebowitz & Latman, P.C.
- Priority: JP2008-180680 20080710; JP2008-180681 20080710
- Main IPC: H04N1/034
- IPC: H04N1/034 ; H04N1/60 ; B41J2/21

Abstract:
An image forming apparatus includes a color converting unit 330 for subjecting the input image data to a color conversion in accordance with ink color and generating a print image 400; a print data generator 370-x for generating print data of each scan corresponding to multiple scans of the print image generated by the color converting unit 330; print controller 380-x for controlling at least one of the color converting unit 330 or print data generator 370-x based upon the input image data 320 or a position on a scanning line of each dot to be printed in the print image 400 generated by the color converting unit 330; and a printer engine 180 for printing on the print medium based upon the print data generated by the print data generator 370-x.
Public/Granted literature
- US20100007901A1 IMAGE FORMING APPARATUS AND METHOD Public/Granted day:2010-01-14
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