发明授权
US6109720A Method and apparatus for ink-jet recording with inks having different
densities
失效
用不同密度的油墨进行喷墨记录的方法和装置
- 专利标题: Method and apparatus for ink-jet recording with inks having different densities
- 专利标题(中): 用不同密度的油墨进行喷墨记录的方法和装置
-
申请号: US905781申请日: 1997-07-29
-
公开(公告)号: US6109720A公开(公告)日: 2000-08-29
- 发明人: Fumihiro Gotoh , Hiromitsu Hirabayashi , Toshio Kashino , Hiroshi Tajika , Yuji Akiyama , Hitoshi Sugimoto , Miyuki Matsubara , Hidehiko Kanda
- 申请人: Fumihiro Gotoh , Hiromitsu Hirabayashi , Toshio Kashino , Hiroshi Tajika , Yuji Akiyama , Hitoshi Sugimoto , Miyuki Matsubara , Hidehiko Kanda
- 申请人地址: JPX Tokyo
- 专利权人: Canon Kabushiki Kaisha
- 当前专利权人: Canon Kabushiki Kaisha
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX5-102758 19930428; JPX5-102759 19930428; JPX5-129149 19930531
- 主分类号: H04N1/40
- IPC分类号: H04N1/40 ; H04N1/52 ; B41J2/005
摘要:
An ink jet recording apparatus and ink jet recording method record using different kinds of ink each having the same series color and a different density. The jet recording apparatus includes a converting unit for converting an input image density signal into an output image density signal, a binary unit for converting the output image density signal into binary data, an inverting unit for inverting the binary data, and a distributing unit for the binary data inverted and binary data to be inverted to drive data for an ink discharge unit and drive data for another ink discharge unit. Density unevenness and texture which arise from an image process, particularly a binary process, can be prevented. Different kinds of ink, each of which has the same series color and a different density, are respectively scanned so as not to overlap on the same pixel. Density unevenness due to ink soaking can be suppressed because different kinds of ink each having the same series color and a different density are not shot at the same position.
公开/授权文献
信息查询