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    • 4. 发明授权
    • Camera-based multi-touch mouse
    • 基于相机的多点触控鼠标
    • US08446367B2
    • 2013-05-21
    • US12425408
    • 2009-04-17
    • Hrvoje BenkoDaniel Allen RosenfeldEyal OfekBilly ChenShahram IzadiNicolas VillarJohn Helmes
    • Hrvoje BenkoDaniel Allen RosenfeldEyal OfekBilly ChenShahram IzadiNicolas VillarJohn Helmes
    • G09G5/08
    • G06F3/03543G06F3/042G06F2203/04104
    • Technologies for a camera-based multi-touch input device operable to provide conventional mouse movement data as well as three-dimensional multi-touch data. Such a device is based on an internal camera focused on a mirror or set of mirrors enabling the camera to image the inside of a working surface of the device. The working surface allows light to pass through. An internal light source illuminates the inside of the working surface and reflects off of any objects proximate to the outside of the device. This reflected light is received by the mirror and then directed to the camera. Imaging from the camera can be processed to extract touch points corresponding to the position of one or more objects outside the working surface as well as to detect gestures performed by the objects. Thus the device can provide conventional mouse functionality as well as three-dimensional multi-touch functionality.
    • 用于基于相机的多点触摸输入设备的技术,其可操作以提供常规的鼠标移动数据以及三维多点触摸数据。 这种设备基于专注于镜子或镜子组的内部照相机,使得相机能够对设备的工作表面进行成像。 工作表面允许光线通过。 内部光源照亮工作表面的内部,并反射出靠近设备外部的任何物体。 这个反射光被镜子接收,然后被引导到相机。 可以处理来自相机的成像以提取与工作表面外的一个或多个对象的位置对应的触摸点以及检测由对象执行的手势。 因此,该设备可以提供常规的鼠标功能以及三维多点触摸功能。