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    • 1. 发明申请
    • PORTABLE ELECTRONIC DEVICE
    • 便携式电子设备
    • US20100073205A1
    • 2010-03-25
    • US12341928
    • 2008-12-22
    • YUN-LONG SIE
    • YUN-LONG SIE
    • G06F3/02H03K17/94
    • G03B29/00H04N5/225H04N9/3176H04N2101/00H04N2201/0053
    • A portable electronic device is provided. The portable electronic device includes a central processing unit, a projecting module electronically connected to the central processing unit, a virtual keypad projection module configured to project a virtual keypad on a surface, an infrared radiation generator configured to irradiate infrared light generally parallel with the virtual keypad and an infrared sensor module configured to receive infrared light reflected by fingers of a user pressing the virtual keypad and generate corresponding signals and then send the signals to the central processing unit for the central processing unit to produce commands corresponding to the pressed virtual keypads.
    • 提供便携式电子设备。 所述便携式电子设备包括中央处理单元,电子地连接到所述中央处理单元的投影模块,配置成在表面上投影虚拟键盘的虚拟键盘投影模块,红外辐射发生器,被配置为照射与所述虚拟 键盘和红外线传感器模块,其被配置为接收用户按压虚拟键盘的手指反射的红外光,并产生相应的信号,然后将信号发送到用于中央处理单元的中央处理单元,以产生与所按压的虚拟键盘相对应的命令。