Invention Grant
- Patent Title: Image forming apparatus and control method
- Patent Title (中): 图像形成装置及控制方法
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Application No.: US12163907Application Date: 2008-06-27
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Publication No.: US08149258B2Publication Date: 2012-04-03
- Inventor: Hidekazu Tominaga
- Applicant: Hidekazu Tominaga
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Canon USA, Inc., I.P. Division
- Priority: JP2007-172748 20070629; JP2008-148203 20080605
- Main IPC: B41J2/435
- IPC: B41J2/435 ; B41J2/47
Abstract:
For suppressing density unevenness which is caused by changes in a main scanning line interval of a laser beam on the image bearing member due to a polygonal face tangle, laser luminance is controlled so as to maintain the density unevenness with a spatial frequency sensitive to human visibility substantially constant.
Public/Granted literature
- US20090003862A1 IMAGE FORMING APPARATUS AND CONTROL METHOD Public/Granted day:2009-01-01
Information query
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