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    • 8. 发明申请
    • METHOD FOR DETECTING THE POSITION OF A DIGITIZER ON A DISPLAY
    • 用于检测显示器上的数位仪的位置的方法
    • US20050200597A1
    • 2005-09-15
    • US10905302
    • 2004-12-26
    • Shao-Chih PengJeng-Feng LanChun-Huang Lin
    • Shao-Chih PengJeng-Feng LanChun-Huang Lin
    • G09G5/00
    • G06F3/03545
    • A computer system includes a display, a graphics chip capable of controlling the display and modulating light signals emitted from a plurality of sub-blocks in a main block on the display sequentially according to a predetermined rule, a digitizer comprising a light signal detecting module which is capable of detecting a light signal emitted from the display and sending a corresponding signal when the light signal emitted from the display is detected, a light signal processing unit for processing signals sent from the light signal detecting module and generating a detection succeeded signal when the result of the processing shows the modulation of the light signals emitted by the display according to the predetermined rule is detected by the light signal detecting module, and a positioning unit for determining the position of the digitizer on the display according to the predetermined rule.
    • 计算机系统包括:显示器,能够根据预定规则顺序地控制显示和调制从显示器上的主块中的多个子块发出的光信号的图形芯片;数字转换器,包括光信号检测模块, 能够检测从显示器发出的光信号,并且当检测到从显示器发射的光信号时发送相应的信号;光信号处理单元,用于处理从光信号检测模块发送的信号,并在产生检测成功信号时产生检测成功信号 处理结果表示根据预定规则由显示器发出的光信号的调制由光信号检测模块检测;以及定位单元,用于根据预定规则确定数字化仪在显示器上的位置。