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    • 7. 发明公开
    • Electronic chalkboard system, control method thereof, and pointing device
    • Elektronisches Kreidetafelsystem,Steuerverfahrendafürund Zeigervorrichtung
    • EP2535790A2
    • 2012-12-19
    • EP12161307.9
    • 2012-03-26
    • Samsung Electronics Co., Ltd.
    • Yoo, Ho-juneSoh, Byung-seokChoi, Sang-onChoi, Eun-seok
    • G06F3/033G06F3/042G06F3/041
    • G06F3/042G06F3/03545G06F3/0416
    • Disclosed is an electronic chalkboard system including: a display device including a display panel; image processor which displays an image corresponding to the coordinate information onto the display panel; and a plurality of pointing devices, wherein each pointing device respectively calculates coordinate information about a touch position if the respective pointing device touches the display panel and transmits the calculated coordinate information to the image processor at a predetermined transmission time of the calculating of the calculated coordinate information, wherein a first pointing device transmits first coordinate information corresponding to a first touch position of the first pointing device to the image processor at a first transmission time, and wherein a second pointing device transmits second coordinate information corresponding to a second touch position of the second pointing device to the image processor at a second transmission time which is different from the first transmission time.
    • 公开了一种电子黑板系统,包括:显示装置,包括显示面板; 图像处理器,其将对应于所述坐标信息的图像显示到所述显示面板上; 以及多个指示设备,其中如果相应的指示设备触摸显示面板,则每个指示设备分别计算关于触摸位置的坐标信息,并且在计算所计算的坐标的预定传输时间将所计算的坐标信息发送到图像处理器 信息,其中第一指示设备在第一传输时间将与第一指示设备的第一触摸位置相对应的第一坐标信息发送到图像处理器,并且其中第二指示设备发送对应于第二指示设备的第二触摸位置的第二坐标信息 第二指示设备在与第一传输时间不同的第二传输时间到图像处理器。