发明名称 Printer with area defined and character defined erasing patterns
摘要 A document processing apparatus comprises an element for editing input character data an element for recording and outputting the input or edited character data, and an element for erasing the recorded and output character data. A plurality of different erasing systems are provided for the erasing element. The optimum erasing system is selected from the plurality of different erasing systems of the erasing element in accordance with predetermined processing conditions of the apparatus. The recorded and output character data is erased. The optimum erasing system can be selected in accordance with the printing system of the recorded characters, dot density, presence or absence of the character data in the memory, and presence of superimposed characters so that the low electric power consumption and the optimum erasing quality can be realized.
申请公布号 US5127753(A) 申请公布日期 1992.07.07
申请号 US19890458441 申请日期 1989.12.28
申请人 CANON KABUSHIKI KAISHA 发明人 SHIBAOKA, HIDEO
分类号 B41J29/36 主分类号 B41J29/36
代理机构 代理人
主权项
地址