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    • 24. 发明申请
    • SYNCHRONOUS OPTICAL DATA LINK METHOD
    • 同步光数据链路方法
    • WO2013050742A1
    • 2013-04-11
    • PCT/GB2012/052379
    • 2012-09-26
    • HOPTROFF, Richard
    • HOPTROFF, Richard
    • H04B10/116G04G21/00H04L7/00
    • H04B10/1141G04G21/00H04B10/116
    • This invention relates to the problem of communicating information from a device such as a PC ('101'), having an extensive user interface including visual display screen, to a portable electronic device with limited user interface ('201'). The method uses multiple photosensors on the receiving device to receive spatially- and temporally- varying data optically from the visual display of the transmitting device by holding it in close contact. One photosensor receives a synchronous binary clock signal from one area of the screen. One or more further photosensors receive data signals from other areas of the screen that are synchronized to the clock signal. Further photosensor may receive signals from areas with constant or inverting colour levels to serve as references to which the other photosensor signals are compared.
    • 本发明涉及从具有广泛用户界面(包括视觉显示屏幕)的诸如PC('101')的设备向具有有限用户界面('201')的便携式电子设备传送信息的问题。 该方法在接收设备上使用多个光电传感器,通过将其紧密接触地从发送设备的视觉显示光学地接收空间和时间变化的数据。 一个光电传感器从屏幕的一个区域接收同步二进制时钟信号。 一个或多个另外的光电传感器从屏幕的与时钟信号同步的其他区域接收数据信号。 另外的光电传感器可以从具有恒定或反相色彩水平的区域接收信号,以作为比较其它光电传感器信号的参考。