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专利名称：Printing method and system for converting
color tones to lighter and darker values forprinting with light and dark inks
发明人：Akito Sato,Yoshiko Hoshiyama,Hirokazu
Nunokawa
申请号：US117136申请日：20070305公开号：US07672015B2公开日：20100302
专利附图：
摘要：The present invention provides a printing method including: (A) converting a
tone value indicating a tone of a certain color to a first light tone value indicating a toneof a light color using a predetermined number of tones, and a first dark tone valueindicating a tone of a dark color using a predetermined number of tones; (B) convertingthe first light tone value to a second light tone value indicating a tone of the light colorwith a smaller number of tones than the predetermined number of tones, based on atable for the light color; (C) converting the first dark tone value to a second tone valueindicating a tone of the dark color with a smaller number of tones than the
predetermined number of tones, based on a table for the dark color other than thetable for the light color; (D) ejecting a light ink based on the second light tone value toform a light dot in the light ink on a medium, ejecting a dark ink based on the seconddark tone value to form a dark dot in the dark ink on the medium, and expressing a toneof the certain color on the medium with the light dot and the dark dot.
申请人：Akito Sato,Yoshiko Hoshiyama,Hirokazu Nunokawa
地址：Matsumoto JP,Shiojiri JP,Matsumoto JP
国籍：JP,JP,JP
代理机构：Sughrue Mion, PLLC
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