63fb46d6_bster_US___Patent_applications__Description
[Patent application number] 20090154804 [Published] 06-18-2009 [Description] 
DIGITAL CORRECTION FOR ALIGNMENT OF A PLURALITY OF COLOR CHANNELS OF A COLOR IMAGE FORMING DEVICE - A system and method are provided for digital correction of a plurality of color channels and color image data. In color reproduction, a color image may be composed of a plurality of superimposed color channels in a color space hi order to assure the proper alignment of color channels and exemplary applications such as color printing, one or more of the plurality of color channels which compose a complete color image may be scaled to an output resolution, and corrected in order to ensure proper alignment and authentic reproduction of a color image. In place of a plurality of independent clocks, one for each channel, a single clock is provided for every channel, and additional unit is supplied to scale each channel according to independent characteristics.
Xing Li, Webster US - Patent applications