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    • 6. 发明公开
    • Document processing system
    • 文件处理系统
    • EP0284312A3
    • 1989-10-04
    • EP88302422.6
    • 1988-03-18
    • CANON KABUSHIKI KAISHA
    • Amari, Takashi
    • B41J25/20
    • B41J25/20B41J5/44
    • A document processing system includes a display pattern memory having an address space in one-to-one correspondence with a printable area of a printing unit; a display unit for displaying character pattern dot information stored in the display pattern memory; a superposition judgement unit for judging based on a predetermined operation a superposition between a character pattern of a character code read from the character pattern memory and stored in the display pattern memory and a character pattern to be sequential­ly input while a character print position is designated; and an indication unit for indicating the judgement result by the superposition judgement unit.
    • 文档处理系统包括:显示模式存储器,具有与打印单元的可打印区域一一对应的地址空间; 显示单元,用于显示存储在所述显示图案存储器中的字符图案点信息; 叠加判断单元,用于根据预定操作来判断从字符图案存储器读取并存储在显示图案存储器中的字符代码的字符图案与在字符打印位置被指定时将被顺序输入的字符图案之间的叠加; 以及指示单元,用于指示叠加判断单元的判断结果。