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公开(公告)号：KR101321705B1
公开(公告)日：2013-10-28
申请号：KR1020100013304
申请日：2010-02-12
Applicant: 한국전자통신연구원
IPC: H04B10/116 , H04B10/40
Abstract: 본 발명의 가시광 통신 장치는, 송신단말로부터 수신한 가시광 수신신호로부터 타겟 파장의 신호만을 필터링하는 타겟 신호 수신부; 타겟 파장의 신호의 특성을 이용하여 가시광 수신신호의 수신 품질을 판단하고, 수신 품질에 따라 타겟 파장과 상이한 파장을 갖는 하나 이상의 광원을 이용하여 가시적 신호를 생성하는 신호 생성부; 및 데이터가 전송되는 타겟 파장의 신호가 가시적 신호와 함께 송신되어 가시광 송신신호의 발광색이 변경되도록 하는 광신호 송신부를 구비한다. 본 발명에 의하면, 가시광을 이용한 통신에서 사용자로 하여금 현재의 통신 품질을 색으로 인식 가능하게 하는 효과를 갖는다.
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公开(公告)号：KR101321704B1
公开(公告)日：2013-10-25
申请号：KR1020100018600
申请日：2010-03-02
Applicant: 한국전자통신연구원
IPC: H04B10/116 , H04B10/07 , H04B10/00
Abstract: 전송 속도, 얼라인 상태, 통신 상태 또는 전송률 등을 직관적으로 인식할 수 있는 가시광 통신 기술이 개시된다. 본 발명에 따른 가시광 통신 장치는, 가시광 영역 내의 파장에 따라 구별되는 직관 정보를 고려하여, 서로 다른 파장의 광을 발생시키는 복수 개의 광원들 중 하나 이상의 광원을 선택하는 광원 선택부; 및 선택된 상기 하나 이상의 광원에 의하여 가시광 통신을 수행하여 상기 하나 이상의 광원에 상응하는 색에 의하여 상기 직관 정보가 인식되도록 하는 가시광 통신부를 포함한다. 따라서, 가시광 통신을 이용하는 사용자가 최적의 통신 상태 또는 전송 속도 등을 직관적으로 알 수 있다.
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公开(公告)号：KR101301021B1
公开(公告)日：2013-08-28
申请号：KR1020100040051
申请日：2010-04-29
Applicant: 한국전자통신연구원
IPC: H04B10/116 , H04B10/50 , H04B10/60
Abstract: 가시광 무선 통신시 조명의 밝기 변화를 줄일 수 있는 라인 코딩 기법이 개시된다. 본 발명에 따른 가시광 무선 통신 송신기는 소스 비트열을 수신하여 제1 개수의 비트들 단위의 소스 코드들로 인식하는 소스코드 인식부; 상기 소스 코드들 각각을 상기 제1 개수보다 큰 제2 개수의 비트들 단위의 인코딩 코드로 인코딩하는 라인 코딩부를 포함한다. 특히, 상기 인코딩 코드는 1에 해당하는 비트수와 0에 해당하는 비트수가 동일하다. 따라서, 가시광 무선 통신시 조명의 밝기 변화를 최소화할 수 있다.
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公开(公告)号：KR1020130086516A
公开(公告)日：2013-08-02
申请号：KR1020120154224
申请日：2012-12-27
Applicant: 한국전자통신연구원
IPC: H04B10/116
Abstract: PURPOSE: A visible light wireless communication method which uses a DMX-512 network and an apparatus for the same are provided to effectively deliver visible light communication data which is transmitted through a visible light wireless communication to a light source by using a DMX-512 lighting control network. CONSTITUTION: A DMX signal generator (420) generates visible light communication data packets. Each of the visible light communication data packets includes a DMX header, segmented information, and a data fragment. A DMX signal transmitting unit (408) transmits the visible light communication data packets to LED lighting devices which are connected through a DMX-512 network for a visible light wireless communication. The data fragment is generated by fragmentizing a visible light communication frame to transmit. [Reference numerals] (401) User interface; (402) Memory; (403) Segmenting unit; (404) Communication data extracting unit; (405) Communication data receiving unit; (408) DMX signal transmitting unit; (410) Scheduling unit; (411) Automatic control information generating unit; (420) DMX signal generating unit
Abstract translation: 目的：提供使用DMX-512网络及其装置的可见光无线通信方法，以通过使用DMX-512照明来有效地将可见光通信数据通过可见光无线通信传输到光源 控制网络。 构成：DMX信号发生器（420）产生可见光通信数据包。 每个可见光通信数据分组包括DMX报头，分段信息和数据分段。 DMX信号发送单元（408）将可见光通信数据分组发送到通过DMX-512网络连接用于可见光无线通信的LED照明设备。 数据片段是通过将可见光通信帧分片化来产生的。 （附图标记）（401）用户界面; （402）内存; （403）分割单元; （404）通信数据提取单元; （405）通信数据接收单元; （408）DMX信号发送单元; （410）计划单位; （411）自动控制信息生成单元; （420）DMX信号发生单元
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公开(公告)号：KR1020130063847A
公开(公告)日：2013-06-17
申请号：KR1020110130438
申请日：2011-12-07
Applicant: 한국전자통신연구원
IPC: H05B37/02
CPC classification number: H05B37/029 , H05B33/0827 , H05B37/0218
Abstract: PURPOSE: A lighting control device and a method based on DMX(Digital Multiplex) are provided to automatically set the channels of LED(Light Emitting Diode) lighting devices connected with a DMX512 network and to provide corresponding information to a control console, thereby transmitting a required channel information signal without an extra manipulation of the control console, completely being compatible with an existing DMX protocol, and automatically setting the channel and identifying channel information. CONSTITUTION: A lighting control method based on DMX includes the following steps: a step of receiving a detection signal based on a DMX frame from a DMX control console; a step of determining whether or not a channel is required to be set based on the start code of the DMX frame; a step of extracting channel information from the DMX frame when the channel is determined to be set; a step of determining whether or not the channel information is a predetermined value which is impossible to be set; a step of setting the channel, updating the channel information, and generating updated channel information when the channel information is not the predetermined value; and a step of generating a transmission DMX frame having the updated channel information, and then transmitting the transmission DMX frame to a next lighting device. [Reference numerals] (AA) Start; (BB,DD) Yes; (CC,EE) No; (FF) End; (S410) Receive a DMX frame; (S420) Is a start code zero?; (S430) Extract the last value of the DMX frame; (S44) Set up a starting channel of a lighting device through the extracted value; (S450) Add the starting channel to a usage channel of the lighting device; (S460) Process a DMX signal; (S470) Light a lamp; (S480) Is the sum greater than 512?; (S490) Add the sum to the last of the DMX frame; (S491) Add zero to the last of the DMX frame; (S492) Transmit the DMX frame
Abstract translation: 目的：提供一种照明控制装置和基于DMX（Digital Multiplex）的方法，自动设置与DMX512网络连接的LED（发光二极管）照明装置的通道，并向控制台提供相应的信息，从而传输 所需的信道信息信号，而不需要控制台的额外操作，完全与现有的DMX协议兼容，并自动设置信道和识别信道信息。 构成：基于DMX的照明控制方法包括以下步骤：从DMX控制台接收基于DMX帧的检测信号的步骤; 基于DMX帧的起始码确定是否需要设置信道的步骤; 当确定要设置信道时，从DMX帧中提取频道信息的步骤; 确定信道信息是否是不可能设置的预定值的步骤; 当频道信息不是预定值时，设置频道，更新频道信息和生成更新的频道信息的步骤; 以及生成具有更新的频道信息的发送DMX帧的步骤，然后将发送DMX帧发送到下一个照明装置。 （附图标记）（AA）开始; （BB，DD）是; （CC，EE）否; （FF）结束; （S410）接收DMX帧; （S420）起始码为零？ （S430）提取DMX帧的最后一个值; （S44）通过提取的值设置照明装置的启动通道; （S450）将启动频道添加到照明设备的使用频道; （S460）处理DMX信号; （S470）点亮灯; （S480）总和大于512？ （S490）将总和加到最后的DMX帧; （S491）将零添加到DMX帧的最后一个; （S492）发送DMX帧
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Patent Agency Ranking
公开(公告)号：KR1020120068665A
公开(公告)日：2012-06-27
申请号：KR1020110035828
申请日：2011-04-18
Applicant: 한국전자통신연구원
IPC: H04B10/116 , H04N5/225 , H04N5/232
CPC classification number: H04B10/116 , H04N5/2259 , H04N5/23296
Abstract: PURPOSE: An image sensor communicating apparatus and a method for correcting errors are provided to minimize interference between received light sources by compensating the distance variation of the light sources based on the distance, the size, and the brightness of the light sources. CONSTITUTION: An image sensor(11) photographs images containing optical signals from received optical sources. A zoom controller(12) controls the zooming function of the image sensor. A focus controller(13) controls the focus of the image sensor. A data acquiring part(14) acquires data from the images. An error rate measuring part(15) measures error rate based on the acquired data. If the error rate increases, an operation controlling part(17) operates the zoom controller or the focus controller.
Abstract translation: 目的：提供一种图像传感器通信装置和用于校正误差的方法，以通过基于光源的距离，尺寸和亮度补偿光源的距离变化来最小化接收光源之间的干扰。 构成：图像传感器（11）拍摄包含来自接收光源的光信号的图像。 变焦控制器（12）控制图像传感器的变焦功能。 对焦控制器（13）控制图像传感器的焦点。 数据获取部分（14）从图像中获取数据。 错误率测量部分（15）基于所获取的数据来测量错误率。 如果错误率增加，则操作控制部分（17）操作变焦控制器或聚焦控制器。
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公开(公告)号：KR1020120055507A
公开(公告)日：2012-05-31
申请号：KR1020120037949
申请日：2012-04-12
Applicant: 한국전자통신연구원
CPC classification number: H04B10/00 , H05B33/0818 , H05B37/0272 , Y02B20/42
Abstract: PURPOSE: A visible ray wireless communication device and a method thereof are provided to realize visible ray wireless communication while maintaining a speed of visible ray wireless communication. CONSTITUTION: A brightness signal generating unit(100) adjusts a pulse width of an on section pulse in response to brightness request information. A light driving unit(300) adjusts a location of the on section pulse to distinguish bit data which are transmitted per bit unit time while the light driving unit maintains the pulse width of the on section pulse.
Abstract translation: 目的：提供可见光线无线通信设备及其方法，以实现可见光线无线通信，同时保持可见光线无线通信的速度。 构成：亮度信号生成单元（100）根据亮度请求信息调整开路脉冲的脉冲宽度。 光驱动单元（300）调整打开区间脉冲的位置，以区别在每个位单位时间发送的位数据，同时光驱单元维持开区脉冲的脉冲宽度。
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公开(公告)号：KR1020110031879A
公开(公告)日：2011-03-29
申请号：KR1020100040051
申请日：2010-04-29
Applicant: 한국전자통신연구원
IPC: H04B10/116 , H04B10/50 , H04B10/60
CPC classification number: H04L1/0042 , H04B10/116 , H04L1/0046 , H04L1/0056
Abstract: PURPOSE: A transmitter, a receiver for visible light communication and a method using the same are provided to remove a flickering effect of lighting when performing data transmission in LED visible light wireless communication. CONSTITUTION: A visible light wireless communication transmitter comprises a source code recognition unit(910) and a line coding unit(920). The source code recognition unit recognizes a source bit column as a source code of a first coefficient, wherein the source code is formed by bit unit. The line coding unit encodes each source code as an encoding code of a second coefficient which is larger than the first coefficient. In the encoding code, the bit number corresponding to 1 is same as the bit number corresponding to 0.
Abstract translation: 目的：提供发射机，可见光通信的接收机及其使用方法，以在LED可见光无线通信中执行数据传输时消除照明的闪烁效应。 构成：可见光无线通信发射机包括源代码识别单元（910）和线路编码单元（920）。 源代码识别单元将源位列识别为第一系数的源代码，其中源代码由位单元形成。 线编码单元将每个源码编码为大于第一系数的第二系数的编码码。 在编码代码中，对应于1的位数与对应于0的位数相同。
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公开(公告)号：KR1020110014082A
公开(公告)日：2011-02-10
申请号：KR1020100048764
申请日：2010-05-25
Applicant: 한국전자통신연구원
IPC: H04B10/116 , H04B10/60
Abstract: PURPOSE: A visible light radio communication receiver and a receiving method thereof for receiving a multi color channel in order to easily distinguish color channels are provided to receive visible light signals of various color channels. CONSTITUTION: A color filter unit(120) comprises a color filter array in which color filter cells are arranged. The color filter unit separates a plurality of color channel signals into color channel signal by color. A light/electric transforming unit(130) equips photodiode arrays in which photodiode cells are arranged. The photodiode cells converts color channel signals into an electric signal separated by the color filter cells.
Abstract translation: 目的：提供一种可见光无线电通信接收机及其接收方法，用于接收多色信道以便容易地区分色彩通道以接收各种颜色通道的可见光信号。 构成：滤色器单元（120）包括其中布置滤色器单元的滤色器阵列。 滤色器单元通过颜色将多个颜色通道信号分离成彩色通道信号。 光/电转换单元（130）配备其中布置有光电二极管单元的光电二极管阵列。 光电二极管单元将彩色通道信号转换成由滤色器单元分离的电信号。
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公开(公告)号：KR1020100034406A
公开(公告)日：2010-04-01
申请号：KR1020080093520
申请日：2008-09-24
Applicant: 한국전자통신연구원
IPC: H04B10/116 , H04B10/00
Abstract: PURPOSE: A time division visual light wireless communication apparatus using a dynamic LED display panel and a method thereof are provided to be applied to a dynamic LED display panel which emits light in a column and a row. CONSTITUTION: A transmission discriminating unit(230) decides whether the transmission of transmission data to a selected scan line is possible. A modulating unit(240) generates the transmission data as a modulation signal according to the decision result of the transmission discriminating unit. A scan line signal generator(250) receives scan line information. The scan line signal generator generates a scan line signal. The scan line signal generator combines the modulation signal with the scan line signal.
Abstract translation: 目的：提供一种使用动态LED显示面板的时分视觉光无线通信装置及其方法，以应用于发射列和行中的光的动态LED显示面板。 构成：发送识别单元（230）判定是否可以向所选择的扫描线发送发送数据。 调制单元（240）根据发送识别单元的判定结果生成作为调制信号的发送数据。 扫描线信号发生器（250）接收扫描线信息。 扫描线信号发生器产生扫描线信号。 扫描线信号发生器将调制信号与扫描线信号相结合。
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