Braille cell
    1.
    发明授权
    Braille cell 失效
    BRAILLE CELL

    公开(公告)号:US5226817A

    公开(公告)日:1993-07-13

    申请号:US742635

    申请日:1991-08-08

    IPC分类号: G09B21/00

    CPC分类号: G09B21/004

    摘要: The present invention discloses a braille cell comprising plural piezoelectric element reeds which are bent at the free ends thereof when DC voltage is added to them, a base body to which the piezoelectric element reeds are fixed at the base ends thereof through a print circuit board and which supports the piezoelectric element reeds piled like steps at a certain interval, and tactile pins provided corresponding to the free ends of the piezoelectric element reeds, wherein a tactile section for holding the tactile pins and provided with a detachably attaching means is detachably attached to the base body and wherein fixing plates are attached to both sides of the base body by means of their detachable attachment which is to define the piezoelectric element reeds in left and right directions of the base body.

    Tactile reading device
    2.
    发明授权
    Tactile reading device 失效
    触觉读取装置

    公开(公告)号:US5449292A

    公开(公告)日:1995-09-12

    申请号:US157397

    申请日:1993-11-23

    IPC分类号: G09B21/00

    CPC分类号: G09B21/004

    摘要: This invention discloses a tactile reading device including sensing rods that are supported to be vertically movable, piezo-electric actuating elements disposed in the vertical direction such that their free end portions are directed upward, and pushing-up cams having first levers which are axially and pivotally supported on support rods provided at an upper position of the free end portions of the piezo-electric actuating elements, extending downward from the support rods, and having side surfaces at distal end portions thereof which are freely abutted against the free end portions of the piezo-electric actuating elements, and second levers extending horizontally from the support rods and freely mounting, on their mounting planes, lower end portions of the sensing rods corresponding to the piezo-electric actuating elements.

    摘要翻译: 本发明公开了一种触觉读取装置,其包括感测棒,其被支撑为可垂直移动的压电致动元件,所述压电致动元件沿垂直方向设置,使得其自由端部向上指向,并且具有第一杠杆的上推凸轮轴向和 枢转地支撑在设置在压电致动元件的自由端部的上部位置的支撑杆上,该支撑杆从支撑杆向下延伸,并且具有在其远端部分处的侧表面,其侧表面自由地抵靠在 压电致动元件和从支撑杆水平延伸的第二杠杆,并且在其安装平面上自由地安装与压电致动元件对应的感测杆的下端部分。