发明授权
US09207812B2 Interactive input system and method 有权
交互式输入系统和方法

Interactive input system and method
摘要:
A method for adjusting the position of a light curtain emitted by an illumination assembly over a surface, comprises determining a position of the light curtain; calculating a difference between the determined position of the light curtain and a desired position of the light curtain; and adjusting the position of the illumination assembly based on the calculated difference.
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