发明授权
- 专利标题： Image forming device for reproducing a half-tone image
- 专利标题（中）： 用于再现半色调图像的图像形成装置
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申请号： US645083申请日： 1984-08-28
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公开(公告)号： US4680646A公开(公告)日： 1987-07-14
- 发明人: Yoshinori Ikeda , Takao Aoki
- 申请人： Yoshinori Ikeda , Takao Aoki
- 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： JPX58-162069 19830905; JPX58-162070 19830905
- 主分类号： G03G15/00
- IPC分类号： G03G15/00 ; H04N1/40 ; H04N1/405 ; H04N1/21 ; G01D15/14 ; H04N1/23 ; H04N1/29
摘要：
There is provided an image forming device wherein a half-tone pattern having a recording portion and non-recording portion is formed on a recording medium, a value corresponding to the image density of the half-tone pattern is detected, and a high quality half-tone is obtained by controlling image signals by the above detection output or quantization means for the binary or multi-value conversion of image signals.
公开/授权文献
- US5782452A Combination picture post card mailer and display easel 公开/授权日：1998-07-21
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