Apparatus for transmitting and receiving visible light communication data
AssigneeSamsung Electronics Co., Ltd.
InventorsSung-Bum PARK, Yun-Je Oh, Dae-Kwang Jung
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Abstract
An apparatus for transmitting visible light communication data is provided, the apparatus including a common modulation unit generating a modulated signal for transmitting a first visible light communication data, a plurality of individual modulation units generating modulated signals for transmitting a plurality of second visible light communication data, and a plurality of light emitting units receiving the modulated signals from the plurality of individual modulation units, respectively, and outputting visible light signals, wherein an output of the common modulation unit is the input as an output control signal of the individual modulation units.
Claims13
An apparatus for transmitting visible light communication data, comprising:
- a common modulation unit for generating a modulated signal for transmitting a first visible light communication data;
- a plurality of individual modulation units for generating modulated signals for transmitting a plurality of second visible light communication data;
- and
- a plurality of light emitting units for receiving the modulated signals from the plurality of individual modulation units, respectively, and outputting visible light signals,
- wherein an output signal of the common modulation unit is input as an output control signal of the plurality of individual modulation units.
An apparatus for receiving visible light communication data, comprising:
- a common demodulation unit for receiving a signal formed by a combination of a plurality of visible light wavelength band signals, and demodulating the first visible light communication data;
- a visible light separation unit for separating the received signal into the plurality of visible light wavelength band signals;
- and
- a plurality of individual demodulation units for receiving the separated wavelength band signals, and demodulating the second visible light communication data.
Dependencies are inferred from the claim text.