Invention Grant
US08188973B2 Apparatus and method for tracking a light pointer 有权
用于跟踪光指示器的装置和方法

Apparatus and method for tracking a light pointer
Abstract:
A light pointer apparatus has a light source module for projecting a light beam onto a surface. The light pointer apparatus also has an image sensor module and a transmitter module. The image sensor module detects a position in the surface of a visible light spot generated by the projected light beam striking the surface. The transmitter module transmits the position of the visible light spot to a remote device for remote control of a device.
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