Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Etsuo Morimoto0
Hiroshi Takahashi0
Date of Patent
February 12, 2008
Patent Application Number
10920390
Date Filed
August 18, 2004
Patent Primary Examiner
Patent abstract
An image forming apparatus adds a plurality of dots of image data in the subscanning direction and starts generating a density from a particular pixel, and switches PWM (Pulse Width Modulation) right and left phases in order to concentrate potentials and to increase a saturation region. It is therefore possible to stabilize image density in a highlight portion and therefore realize high quality images, while reducing banding and image noise.
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