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    Half-space carriage return mechanism for typewriters
    3.
    发明授权
    Half-space carriage return mechanism for typewriters 失效
    TYPEWRITERS的高空运输返回机制

    公开(公告)号：US3578132A

    公开(公告)日：1971-05-11

    申请号：US3578132D

    申请日：1968-02-02

    申请人： OLIVETTI & CO SPA

    发明人： CREMASCO VENANZIO MICHELETTI ,  ROANO DOMENICO

    IPC分类号： B41J19/62 ,  B41J25/04

    CPC分类号： B41J25/04 ,  B41J19/62

    摘要： A half-space carriage return mechanism for typewriters, having a rack secured to the carriage and normally engaged by an escapement dog adapted to be disengaged momentarily from the rack to letter space the carriage, comprises a pawl movable in a first direction to engage the rack and to return the carriage half a space, and means actuatable for momentarily disengaging the pawl from the rack simultaneously with disengagement of the escapement dog when and only when the pawl is in the position in which it has backspaced the carriage through half a space, to cause said carriage to be advanced offset half a space with respect to normal letter spaced positions.

    Relocate feature for an electronic typewriter
    6.
    发明授权
    Relocate feature for an electronic typewriter 失效
    重新定位电子打字机功能

    公开(公告)号：US4264226A

    公开(公告)日：1981-04-28

    申请号：US908326

    申请日：1978-05-22

    申请人： David J. Bowles ,  Douglas E. Clancy ,  Carl F. Johnson ,  Danny M. Neal

    发明人： David J. Bowles ,  Douglas E. Clancy ,  Carl F. Johnson ,  Danny M. Neal

    IPC分类号： B41J29/18 ,  B41J21/17 ,  B41J25/04 ,  B41J29/36 ,  B41J29/42

    CPC分类号： B41J29/36 ,  B41J25/04

    摘要： On electronic typewriters which have the ability to record into a small working memory those characters, functions and escapements which are keyed at the keyboard, it is many times advantageous to be able to place the carrier and the print point over a character which has been previously typed without using repeated backspaces. Disclosed herein is a feature for an electronic typewriter which permits the operator to easily align the print point with a character on the page by positioning a reference mark on the card holder or print carrier in relation to a previously printed character and then through keyboard control cause the carriage to shift its position such that the print point is then exactly aligned with the character printed. The positioning of the carrier such that the reference mark is in relation to the desired print point is accomplished by a backspace operation and the repositioning or causing of the carrier to assume a position immediately over the subject character is accomplished by keyboard control through the electronics of the typewriter to cause the carrier to shift a predetermined distance.

    摘要翻译： 在具有记录在小型工作存储器中的能力的电子打字机上，键入键盘的字符，功能和擒纵机构，能够将载体和打印点放置在先前已经被使用的字符 键入不使用重复的后台。 本文公开了一种电子打字机的特征，其允许操作者通过将相关于先前打印的字符的参考标记放置在卡夹或打印载体上，然后通过键盘控制原因使打印点与页面上的字符轻松对准 滑架移动其位置，使得打印点然后与打印的字符完全对齐。 载体的定位使得参考标记相对于期望的打印点是通过退格操作实现的，并且载体重新定位或使承载物立即位于主体字符之上的位置是通过键盘控制来实现的 打字机使载体移动预定距离。