首页> 外国专利> Black color generation amount determining method in black printing, a black color generation amount determining apparatus in black printing, a media having recorded thereon a black color generation amount determining program in black printing

Black color generation amount determining method in black printing, a black color generation amount determining apparatus in black printing, a media having recorded thereon a black color generation amount determining program in black printing

机译：黑色印刷中的黑色产生量确定方法，黑色印刷中的黑色产生量确定设备，其上记录有黑色印刷中的黑色产生量确定程序的介质

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摘要

In conventional black printing, there arises a problem that dot is more remarkable compared to a color difference as for a relatively large dot diameter such as a color printer. ;In order to perform black printing in a color space for printing comprising a plurality of approximately equivalent element colors such as CMY, a CPU system 100 multiplies an undercolor amount CMYmin which is a common minimum component in the plurality of element colors by the predetermined generation ratio BGR to generate a black color component. In this case, the generation ratio BGR of the black color component is made smaller as the data before conversion becomes brighter, whereby the generation amount Kout of the black color component is small for the brighter color if the undercolor amount CMYmin is the same. When the printing operation is performed with reference to a color conversion table for printing obtained in this way, dot corresponding to the black color component is unremarkable.

机译：在常规的黑色打印中，出现了这样的问题，即相对于较大的点直径，例如彩色打印机，与色差相比，点更显着。 ;为了在包括多个近似等效的元素颜色（例如CMY）的打印色彩空间中执行黑色打印，CPU系统 100 将底色量CMYmin乘以是该多个底色中的共同最小分量通过预定的生成比率BGR对元素颜色进行着色以生成黑色成分。在这种情况下，随着转换前的数据变亮，黑色成分的产生率BGR变小，从而如果底色量CMYmin相同，则对于较亮的颜色，黑色成分的产生量Kout较小。当参照以这种方式获得的用于打印的颜色转换表执行打印操作时，与黑色成分相对应的点不明显。 展开▼

著录项

公开/公告号US2003020937A1

专利类型

公开/公告日2003-01-30

原文格式PDF

申请/专利权人 SEIKO EPSON CORPORATION;
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申请/专利号US20020254551

发明设计人 KENJI FUKASAWA;
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申请日2002-09-26

分类号B41J1/00;G06F15/00;

国家 US

入库时间 2022-08-22 00:08:24

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