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公开(公告)号：US06352351B1
公开(公告)日：2002-03-05
申请号：US09594724
申请日：2000-06-16
IPC分类号： F21V704
CPC分类号： G06F3/0421
摘要： The coordinates inputting apparatus comprises two light sources provided on different positions on the touch panel, reflection members which recursively reflect the light, and light-receiving sections which receive the light and detect whether the light was cut at certain position on the touch panel. The light sources output the light at certain angle with the touch panel surface (that is, the light is not parallel to the touch panel). The light output from the light source is reflected by the touch panel, then recursively reflected by the reflection members, once more reflected by the touch panel and finally enters into light-receiving sections.
摘要翻译： 坐标输入装置包括设置在触摸面板上的不同位置的两个光源，递归地反射光的反射部件和接收光的光接收部分，并检测在触摸面板上的特定位置是否切割光。 光源与触摸面板表面以一定角度输出光线（即光线不平行于触摸面板）。 从光源输出的光被触摸面板反射，然后被反射构件递归地反射，再次被触摸面板反射，最后进入光接收部分。
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公开(公告)号：US06504532B1
公开(公告)日：2003-01-07
申请号：US09577496
申请日：2000-05-25
IPC分类号： G09G500
CPC分类号： G06F3/0421
摘要： A coordinates detection apparatus comprises two optical units each having a light emitter, a diffusion lens, a read lens, and a light-receiver. The optical units are provided at different positions on the border of a display surface. The light-emitter and light-receiver in each optical unit are so located that their optic axes are coincident. A recursive reflection section reflects the light emitted from the light-emitter and diffused by the diffusion lens in a fan form towards the light-emitter. The coordinates of a point specified on the display surface are detected by focusing the light reflected on the reflection section with the read lens, receiving the reflected light with the light-receiver, and determining the position where reception of the light is hindered.
摘要翻译： 坐标检测装置包括两个光学单元，每个具有光发射器，漫射透镜，读取透镜和光接收器。 光学单元设置在显示面的边界上的不同位置。 每个光学单元中的发光器和光接收器位于它们的光轴重合的位置。 递归反射部分反射从发光器发出的并以散射透镜散射的光朝向发光体。 通过将在反射部分上反射的光与读取透镜聚焦，用光接收器接收反射光并确定光的接收位置来检测在显示表面上指定的点的坐标。
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