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公开(公告)号:KR101301019B1
公开(公告)日:2013-08-28
申请号:KR1020090112348
申请日:2009-11-20
Applicant: 한국전자통신연구원
IPC: H04B10/116 , H04B10/60
Abstract: 광 데이터 송신 장치를 촬영하여 광 데이터를 수신하는 광 데이터 수신 방법 및 광 데이터 수신 장치가 개시된다. 본 발명에 따른 광 데이터 수신 방법은, 광 신호 송신 장치를 촬영하여 촬상 이미지 데이터를 생성하는 단계; 상기 촬상 이미지 데이터에 대한 색 필터링을 수행하여 필터링된 데이터를 생성하는 단계; 상기 필터링된 데이터를 이용하여 상기 광 신호 송신장치의 발광 여부를 판단하여 발광 여부에 상응하는 비트 데이터를 저장하는 단계; 및 상기 비트 데이터를 축적하여 생성된, 상기 광 신호 송신 장치에 상응하는 비트 스트림에서 광 데이터를 추출하는 단계를 포함한다. 따라서, 원거리 가시광선 또는 적외선 무선 통신이 가능하고, 이동하는 광 송신 장치 또는 광 수신 장치에 대한 추적 수신이 가능하다.
가시광 무선통신, 적외선 데이터 통신, 거리 측정-
公开(公告)号:KR1020130071454A
公开(公告)日:2013-06-28
申请号:KR1020130063050
申请日:2013-05-31
Applicant: 한국전자통신연구원
IPC: H04B10/116
Abstract: PURPOSE: A visible light communication device and a method using the same are provided to enable a user to visually recognize a data transmission speed. CONSTITUTION: A light source selection unit(2110) selects a light source for indicating colors corresponding to the state of devices. A visible light communication unit(2120) enables a user to recognize the state with color. A communication state of the visible light communication includes a communication state, a channel state, and a file transmission state. The file transmission state is classified with three states according to the transmission rate of a file. The light source selection unit selects a light source corresponding to a first color when the first transmission state is determined. [Reference numerals] (2110) Light source selection unit; (2120) Visible light communication unit
Abstract translation: 目的:提供可见光通信装置及其使用方法,以使用户能够可视地识别数据传输速度。 构成:光源选择单元(2110)选择用于指示与设备状态对应的颜色的光源。 可见光通信单元(2120)使得用户能够以颜色识别状态。 可见光通信的通信状态包括通信状态,通道状态和文件传输状态。 根据文件的传输速率将文件传输状态分为三种状态。 当确定第一透射状态时,光源选择单元选择与第一颜色对应的光源。 (2110)光源选择单元; (2120)可见光通信单元
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173.
公开(公告)号:KR1020130007391A
公开(公告)日:2013-01-18
申请号:KR1020110093038
申请日:2011-09-15
Applicant: 한국전자통신연구원
Abstract: PURPOSE: A visible light wireless communication apparatus and a visible light wireless communication method are provided to combine VPPM(Variable Pulse Position Modulation) dimming signals which controls brightness and to perform dimming control. CONSTITUTION: A dimming level determining unit(410) determines dimming level variable for controlling minute brightness. A brightness symbol selecting unit(420) selects a high brightness symbol and low brightness symbol between VPPM symbols based on the dimming level variable. A transmission frequency calculation unit(430) determines transmission frequency based on a high brightness symbol and a low brightness symbol. A signal generator(440) assembles the high brightness symbol and the low brightness symbol based on the number of transmission. [Reference numerals] (410) Dimming level determining unit; (420) Brightness symbol selecting unit; (430) Transmission frequency calculation unit; (440) Signal generator
Abstract translation: 目的:提供可见光无线通信装置和可见光无线通信方法来组合控制亮度并执行调光控制的VPPM(可变脉冲位置调制)调光信号。 构成:调光电平确定单元(410)确定用于控制微小亮度的调光电平变量。 亮度符号选择单元(420)基于调光电平变量选择VPPM符号之间的高亮度符号和低亮度符号。 传输频率计算单元(430)基于高亮度符号和低亮度符号来确定传输频率。 信号发生器(440)基于传输次数组装高亮度符号和低亮度符号。 (附图标记)(410)调光等级确定单元; (420)亮度符号选择单元; (430)传输频率计算单元; (440)信号发生器
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公开(公告)号:KR1020120067268A
公开(公告)日:2012-06-25
申请号:KR1020110051624
申请日:2011-05-30
Applicant: 한국전자통신연구원
IPC: H04B10/116 , H04B10/50 , H04B10/516 , H04B10/60
CPC classification number: H04B10/116 , H04B10/502 , H04B10/516 , H04B10/60
Abstract: PURPOSE: An apparatus and method for transmitting and receiving using visible light communication is provided to transmit data of LED light source unit as 2D data code and to decode it, thereby increasing information. CONSTITUTION: A code generator(111) converses received data to two dimensional data according to a decided code format between a transmission device and a receiving device. A modulator(113) modulates two dimensional data code to generate a modulated signal. A plurality of light emitting diodes is arranged in two-dimensional form to emit light. A light source driver(1141) controls a plurality of LEDs according to the modulated signal.
Abstract translation: 目的:提供一种使用可见光通信进行发送和接收的设备和方法,用于将LED光源单元的数据作为2D数据代码传输并对其进行解码,从而增加信息。 构成:代码生成器(111)根据传输设备和接收设备之间的决定的代码格式将接收的数据转换为二维数据。 调制器(113)调制二维数据码以产生调制信号。 多个发光二极管以二维形式布置以发光。 光源驱动器(1141)根据调制信号控制多个LED。
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公开(公告)号:KR1020110037820A
公开(公告)日:2011-04-13
申请号:KR1020100038541
申请日:2010-04-26
Applicant: 한국전자통신연구원
IPC: H04B10/116 , H04B10/27
CPC classification number: H04B10/116 , H04B10/1149 , H04B10/502
Abstract: PURPOSE: A service identifier apparatus for visible lighting communication using a lighting network and a method thereof are provided to support various VLC services through the organic connection between identifiers. CONSTITUTION: A reception unit(210) receives a VLC service request from a lighting device. A service identifying unit(220) refers to the VLC service type by using a VLC service ID included in the VLC service request. A searching unit(250) extracts the VLC object IDs from an illumination attribute table, wherein the VLC object IDs correspond to a VLC schema of the VLC service ID. The searching unit creates a VLC ID by combining the extracted VLC object IDs, and a transmission unit(260) transfers the VLC ID to the service terminal which requests the VLC service.
Abstract translation: 目的:提供一种使用照明网络进行可见光通信的服务识别装置及其方法,以通过标识符之间的有机连接来支持各种VLC服务。 构成:接收单元(210)从照明装置接收VLC服务请求。 服务识别单元(220)通过使用包含在VLC服务请求中的VLC服务ID来参照VLC服务类型。 搜索单元(250)从照明属性表中提取VLC对象ID,其中VLC对象ID对应于VLC服务ID的VLC模式。 搜索单元通过组合所提取的VLC对象ID来创建VLC ID,并且发送单元(260)将VLC ID传送到请求VLC服务的服务终端。
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公开(公告)号:KR1020110020716A
公开(公告)日:2011-03-03
申请号:KR1020100028463
申请日:2010-03-30
Applicant: 한국전자통신연구원
CPC classification number: H05B37/0227 , H04Q9/00 , H05B37/0254 , H05B37/0272
Abstract: PURPOSE: A lighting control apparatus and a lighting control method using the same are provided to offer the visual effect to the user by receiving the container status through the visible light communication and modifying the light color or brightness of the lighting device. CONSTITUTION: A lamp control system(10) comprises an illumination control device(100), a plurality of lighting devices(200_1, 200_2, 200_N), and a reservoir(300). The reservoir comprises a light emitting device(400). The reservoir and the lighting device implement the visible light communication according to the optical signal(LS) outputted from the light emitting device.
Abstract translation: 目的:提供照明控制装置和使用其的照明控制方法,以通过可见光通信接收容器状态并修改照明装置的浅色或亮度来向用户提供视觉效果。 构成:灯控制系统(10)包括照明控制装置(100),多个照明装置(200_1,200-200,200_N)和储存器(300)。 储存器包括发光装置(400)。 储存器和照明装置根据从发光装置输出的光信号(LS)实现可见光通信。
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177.
公开(公告)号:KR1020110014074A
公开(公告)日:2011-02-10
申请号:KR1020100013304
申请日:2010-02-12
Applicant: 한국전자통신연구원
IPC: H04B10/116 , H04B10/40
Abstract: PURPOSE: A visible light communication device and a method thereof for displaying communication quality by using an RGB color combination in order to intuitively confirm the reception quality of data transmitted through a visible light signal are provided to variously express error in various colors through RGB color combination. CONSTITUTION: A signal generator(160) determines the received quality of a visible light receiving signal by using the property of the signal of a target wavelength. The signal generator generates the visible signal by using light sources according to the reception quality. A light signal transmitter(125) transmits a signal of the target wavelength with the visible signal. The light signal transmitter changes the emitted light color of the visible light transmission signal.
Abstract translation: 目的:通过使用RGB颜色组合来显示通信质量以便直观地确认通过可见光信号发送的数据的接收质量的可见光通信装置及其方法被提供以通过RGB颜色组合来各种表示各种颜色的错误 。 构成:信号发生器(160)通过使用目标波长的信号的特性来确定可见光接收信号的接收质量。 信号发生器根据接收质量通过使用光源产生可见信号。 光信号发射器(125)利用可见信号发送目标波长的信号。 光信号发射器改变可见光发射信号的发射光色。
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178.
公开(公告)号:KR100977295B1
公开(公告)日:2010-08-23
申请号:KR1020080093520
申请日:2008-09-24
Applicant: 한국전자통신연구원
IPC: H04B10/116 , H04B10/00
Abstract: 본 발명은, 시각적인 정보 전달을 목적으로 하는 다이나믹 방식의 발광다이오드 전광판을 기반으로 하여, 발광다이오드 도트 매트릭스를 스캔 라인과 데이터로 구분하여 신호를 전달함으로써 시각적인 정보를 전달하고, 380nm~780nm 파장 영역의 가시광선을 이용한 무선통신을 위하여 시간적 순서에 따라 순차적으로 선택된 스캔라인의 발광다이오드를 점멸함으로써, 여기서 발산되는 가사광선의 점멸을 이용하여 통신이 가능하도록 하는 다이나믹 발광다이오드 전광판을 이용한 시분할 가시광선 무선통신 장치 및 그 방법에 관한 것이다. 본 발명에 따르면, 상시 점등 상태가 아닌 순차 순환 점등 방식의 다이내믹 방식의 발광다이오드 전광판에 적용하여 무선통신 장치를 구현하는 것이 가능해진다.
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公开(公告)号:KR1020100060900A
公开(公告)日:2010-06-07
申请号:KR1020080119698
申请日:2008-11-28
Applicant: 한국전자통신연구원
IPC: H04B10/116 , H05B37/02 , H05B41/38
CPC classification number: H04B10/116 , H04B10/1141
Abstract: PURPOSE: A visible light wireless telecommunications device and a method are provided to use 2PPM(Pulse Position Modulation) mode thereby maintaining communications speed of luminance adjustment function and visible light wireless telecommunication in LED(Light Emitting Diode) lighting device. CONSTITUTION: A luminance signal generator(100) calculates duty cycle of a lighting drive signal corresponding to luminance request information. The luminance signal generator generates clock frequency information of a luminance signal. A lighting driving unit(300) outputs a lighting driving signal of pulse waveform based on the clock frequency information and transmission data of a transmission data generator(200). The lighting driving unit adjusts pulse position of on section by each bit unit time in waveform of the lighting driving signal.
Abstract translation: 目的:提供可见光无线电信设备和一种使用2PPM(脉冲位置调制)模式的方法,从而保持LED(发光二极管)照明设备中的亮度调节功能和可见光无线通信的通信速度。 构成:亮度信号发生器(100)计算与亮度请求信息相对应的点亮驱动信号的占空比。 亮度信号发生器产生亮度信号的时钟频率信息。 照明驱动单元(300)基于时钟频率信息和发送数据生成器(200)的发送数据输出脉搏波形的点亮驱动信号。 照明驱动单元以点亮驱动信号的波形中的每个位单位时间调整截面的脉冲位置。
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公开(公告)号:KR1020100049488A
公开(公告)日:2010-05-12
申请号:KR1020090102651
申请日:2009-10-28
Applicant: 한국전자통신연구원
IPC: H04B10/116 , G08G1/09
Abstract: PURPOSE: An apparatus for vehicle-to-vehicle communication using visible light communication and a method of the same are provided to improve the safety driving by communicating with the arbitrary vehicle to the visible light. CONSTITUTION: A receiving unit(310) receives a optical signal including the information about the ambient vehicle through a plurality of receivers arranged as the different direction from the neighboring other vehicles. A control unit(320) analyzes the received signal and grasps the location information of the ambient vehicle and determines the car control operation based on the grasped location information. A driving unit(340) runs an actuator coping with the control action pitching with the control unit.
Abstract translation: 目的:提供一种使用可见光通信的车辆到车辆通信的装置及其方法,以通过与任意车辆通信可见光来改善安全驾驶。 构成:接收单元(310)通过布置成与相邻的其他车辆不同的方向布置的多个接收器来接收包括关于环境车辆的信息的光信号。 控制单元(320)分析接收到的信号并掌握环境车辆的位置信息,并且基于掌握的位置信息确定轿厢控制操作。 驱动单元(340)使用控制单元执行与控制动作俯仰对应的致动器。
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