发明授权
US06244681B1 Apparatus for making a halftone recording and process for making a halftone recording using the same, as well as ink tank and head cartridge fit for halftone recording and ink-jet recording apparatus using the same
失效
用于制造半色调记录的设备和使用其进行半色调记录的处理以及适用于使用其的半色调记录和喷墨记录装置的墨盒和头盒
- 专利标题： Apparatus for making a halftone recording and process for making a halftone recording using the same, as well as ink tank and head cartridge fit for halftone recording and ink-jet recording apparatus using the same
- 专利标题（中）： 用于制造半色调记录的设备和使用其进行半色调记录的处理以及适用于使用其的半色调记录和喷墨记录装置的墨盒和头盒
-
申请号： US08844853申请日： 1997-04-22
-
公开(公告)号： US06244681B1公开(公告)日： 2001-06-12
- 发明人: Kentaro Yano , Naoji Otsuka , Kiichiro Takahashi , Hitoshi Nishikori , Osamu Iwasaki , Daigoro Kanematsu , Hidehiko Kanda
- 申请人： Kentaro Yano , Naoji Otsuka , Kiichiro Takahashi , Hitoshi Nishikori , Osamu Iwasaki , Daigoro Kanematsu , Hidehiko Kanda
- 优先权： JP8-101687 19960423
- 主分类号： B41J2205
- IPC分类号： B41J2205
摘要：
The purpose is to provide a high quality halftone recording with a reduced grainy feeling without lowering the true resolving power. Provided is an apparatus for making a halftone recording by employing three or more types of color materials, each of which has at least one grade of concentration, wherein each type of the color materials having the lowest concentration provides, when recording on a recording medium having a first lightness, a recorded region having its own lightness, and wherein a difference between the first lightness and the lightness of the recorded region is not more than 35, the lightness being measured according to the definition of CIE 1976 psychological measurement lightness using a standard illuminating light D65 as a light source.
信息查询
