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    • 4. 发明申请
    • Visible Light Communication System
    • 可见光通信系统
    • US20110044695A1
    • 2011-02-24
    • US12714675
    • 2010-03-01
    • Tae-Jong JunJongseo LeeSoo-Lin KimJooyoung LeeJung-Suk Han
    • Tae-Jong JunJongseo LeeSoo-Lin KimJooyoung LeeJung-Suk Han
    • H04B10/00
    • H04B10/116H04B10/1149
    • A visible light communication system includes a light source emitting a first light having information, an optical filter receiving the first light and an externally provided second light and filtering the first and second light according to wavelength bands of the first and second light to output a filtered light, a photoelectric device receiving the filtered light to generate an output signal, and a data output part receiving the output signal to output data. Accordingly, the external light not having information may be substantially prevented from being provided to the photoelectric device, thereby preventing noise from occurring on the output signal. In addition, no additional operation is required to filter the output signal from the photoelectric device.
    • 可见光通信系统包括发射具有信息的第一光的光源,接收第一光的光学滤波器和外部提供的第二光,并根据第一和第二光的波段对第一和第二光进行滤波,以输出滤波的 接收滤波后的光以产生输出信号的光电装置,以及接收输出信号以输出数据的数据输出部。 因此,可以基本上防止不具有信息的外部光提供给光电装置,从而防止在输出信号上发生噪声。 此外,不需要额外的操作来对来自光电装置的输出信号进行滤波。