Method and apparatus for setting and varying margins and line spacing on
data printers
    1.
    发明授权
    Method and apparatus for setting and varying margins and line spacing on data printers 失效
    在数据打印机上设置和改变边距和行间距的方法和装置

    公开(公告)号:US4311399A

    公开(公告)日:1982-01-19

    申请号:US060335

    申请日:1979-07-25

    IPC分类号: B41J5/30 B41J21/08 B41J29/50

    摘要: The specification discloses a method and apparatus for setting and varying margins, line spacing and printing direction of a data printing machine by a machine user before and during printing by use of a keyboard with push-button control which is coupled to a digital controller to input information about the actual and the desired location of a print head relative to a printing surface, in response to which the controller outputs signals which control relative motion of the print head and indexes its relative position, from the actual to the desired direction and location.

    摘要翻译: 本说明书公开了一种用于在打印之前和期间通过使用键盘控制的键盘设置和改变数据打印机的边距,行间距和打印方向的方法和装置,该键盘控制器耦合到数字控制器以输入 关于打印头相对于打印表面的实际和期望位置的信息,响应于此,控制器输出控制打印头的相对运动并将其相对位置指示其相对位置的信号,从实际到期望的方向和位置。