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    • 10. 发明申请
    • Input Device
    • 输入设备
    • US20130127713A1
    • 2013-05-23
    • US13554052
    • 2012-07-20
    • Feng-Cheng YangChing-Lin ChungHsin-Chia ChenHui-Hsuan Chen
    • Feng-Cheng YangChing-Lin ChungHsin-Chia ChenHui-Hsuan Chen
    • G06F3/042G06F3/033
    • G06F3/0421G06F2203/04109
    • An input device comprising an optical module having a light guide plate, a light source, a scattering layer and a sensor is provided. The light guide plate has a top surface, a bottom surface, and a side. The light source emits a light to the side. The light travels within the light guide plate. The scattering layer changes a path of parts of the light on the bottom surface so that the light is projected out of the top surface to form a penetrating light. When an object approaches or touches the top surface of the light guide plate, at least a part of the penetrating light is reflected by the object to form a reflected light received by the sensor. According to the reflected light, the input device generates a position signal indicating at least one relative position of the object with respect to the top surface.
    • 一种包括具有导光板,光源,散射层和传感器的光学模块的输入装置。 导光板具有顶表面,底表面和侧面。 光源向侧面发光。 光在导光板内行进。 散射层改变底面上的光的部分路径,使得光从顶表面突出以形成穿透光。 当物体接近或接触导光板的顶表面时,穿透光的至少一部分被物体反射以形成由传感器接收的反射光。 根据反射光,输入装置产生指示物体相对于顶面的至少一个相对位置的位置信号。