-
公开(公告)号:US4201981A
公开(公告)日:1980-05-06
申请号:US904751
申请日:1978-05-11
CPC分类号: G01D5/3473 , G01R13/406
摘要: A display instrument for aircraft wherein a representation of a data value is recorded and indicated by the position of an illuminated bar alongside a graduated scale. A number of bars are located along the scale, each bar being formed by the emitting end of a respective bundle of optical fibres. A particular bundle is illuminated to illuminate its bar according to a digital value stored in a counting register. This value is variable by the manual rotation of a knob driving an apertured disc so that each time a light beam passes through an aperture as the disc rotates, the beam is incident on an opto-electronic receiver, thus, providing a signal which changes the value stored in the counting register.
摘要翻译: 用于飞机的显示器具,其中数据值的表示被记录并由照明条的位置与刻度尺一起表示。 沿着刻度设置多个条,每个条由相应的光纤束的发射端形成。 根据存储在计数寄存器中的数字值,照亮特定束以照亮其条。 通过手动旋转驱动多孔盘的旋钮来改变该值,使得每当光盘旋转时光束通过孔径,光束入射到光电接收器上,因此,提供改变 存储在计数寄存器中的值。