| 摘要 |
<p>PURPOSE: A sensor correction assistance device for an LCD(Liquid Crystal Display) touch display is provided to improve convenience for changing a position of a sensor module installed in the LCD touch display and reduce an operation time. CONSTITUTION: An LCD touch display(20) includes reflecting plates(24-26) on three or more surfaces of a casing(21). An eraser(40) is attached to the casing and shortens an optical path of a sensor module(32). The eraser includes the reflecting plates on an edge of a polygon. The eraser includes an erasing button(52) for erasing writing, a control button(54) for correcting an angle of beam spread of the sensor module, and an operation unit(50) for generating a signal corresponding to the manipulation of the buttons.</p> |
