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专利名称：Adaptive control of second page printing to
reduce smear in an inkjet printer
发明人：Jason R. Arbeiter申请号：US08/056338申请日：19930430公开号：US054926A公开日：19960206
摘要：A high density graphics image can be printed without smearing by contact with asecond page, without any unnecessary reduction of throughput. Throughput
enhancement logic is inhibited during the printing of the second page for a variable delayrelated to the image density of the first page. The variable delay is calculated as a linearfunction of both the density (relative to a predetermined grid size) and the location if thedensest portion of the first page, using coefficients which are different for different printmodes. In one preferred embodiment, a maximum density is calculated by countingdrops of ink in each of several overlapping grids, and the magnitude and location of themaximum density grid on a prior page is used to limit the throughput of a next page untila sufficient delay has elapsed to ensure that ink on the prior page will not be smearedwhen it comes into contact with the next page.
申请人：HEWLETT-PACKARD COMPANY
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