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Patent Searching and Data


Title:
IMAGE PROCESSING APPARATUS FOR INK JET PRINTER
Document Type and Number:
WIPO Patent Application WO/2017/169201
Kind Code:
A1
Abstract:
Halftone processing of an image processing apparatus (32) comprises: subjecting image data of each color corresponding to a portion of ink colors (Y, Lc, Lm, Lk, LLk), comprising at least one color, selected from higher-brightness ink colors among all the ink colors (C, M, Y, K, Lc, Lm, Lk, LLk) of an ink jet printer (1), to dropless-supporting halftone processing in which a minimum number of drops per pixel is made larger than a minimum number of drops in normal halftone processing by which drop data of a number of gradations corresponding to a maximum number of drops per pixel are generated; and performing the normal halftone processing with respect to image data of each color corresponding to other ink colors (C, M, K) other than said portion of the ink colors.

Inventors:
SHIMOMURA Kenji (2-8-1 Gakuen Minami Tsukuba-sh, Ibaraki 18, 〒3050818, JP)
Application Number:
JP2017/005233
Publication Date:
October 05, 2017
Filing Date:
February 14, 2017
Export Citation:
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Assignee:
RISO KAGAKU CORPORATION (5-34-7, Shiba Minato-k, Tokyo 85, 〒1088385, JP)
International Classes:
B41J2/21; B41J2/525; H04N1/405
Foreign References:
JP2013063573A2013-04-11
JP2014148110A2014-08-21
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (Toranomon Kotohira Tower, 2-8 Toranomon 1-chome, Minato-k, Tokyo 01, 〒1050001, JP)
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