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    • 35. 发明公开
    • 디스플레이를 통한 부가 정보 제공 방법 및 장치
    • 通过显示传输附加信息的方法和装置
    • KR1020110029733A
    • 2011-03-23
    • KR1020090087540
    • 2009-09-16
    • 삼성전자주식회사
    • 이경우정대광최정석신홍석박성범송기욱
    • H05B37/02H05B37/00
    • H04B10/116G02F1/133605G09G3/3426G09G5/006G09G2320/064G09G2320/0646G09G2370/16
    • PURPOSE: A method and a device for providing additional information through a display are provided to implement a visible light communication by using a fast response speed. CONSTITUTION: A decoder(420) separates a data signal including additional information about at least one object included in a video signal and an image from an input signal. A display(440) outputs the video signal from the decoder. A visible light communication controller(430) encodes the data signal according to a visible light communication protocol to output the data signal as a visible light signal through the visible light communication. A plurality of light source blocks(450) outputs the signal encoded according to the visible light communication protocol as the visible light signal. A controller outputs the visible light signal through the light source block at a position to display the object among the light source blocks.
    • 目的:提供通过显示器提供附加信息的方法和装置,以通过使用快速响应速度来实现可见光通信。 构成:解码器(420)将包括关于视频信号中包括的至少一个对象的附加信息和来自输入信号的图像分离的数据信号。 显示器(440)从解码器输出视频信号。 可见光通信控制器(430)根据可见光通信协议对数据信号进行编码,以通过可见光通信将数据信号作为可见光信号输出。 多个光源块(450)将根据可见光通信协议编码的信号作为可见光信号输出。 控制器通过光源块输出在光源块中显示对象的位置处的可见光信号。
    • 36. 发明公开
    • 가시광 통신 방법 및 시스템
    • 可见光通信方法与系统
    • KR1020100093903A
    • 2010-08-26
    • KR1020090013045
    • 2009-02-17
    • 삼성전자주식회사
    • 신홍석정대광최정석이경우박성범조재헌
    • H04B10/116
    • H04B10/116H04B10/1149H04W72/0406H04W74/0866H05B37/0272
    • PURPOSE: A visible light communication method and a system thereof are provided to supply a proper MAC(Media Access Control) protocol for visible light communication. CONSTITUTION: Initial access to an access point through a mini slot is requested by referring to control information of a frame(209). If there is an allocated uplink time slot corresponding to the mini slot in control information of a next frame, access to the access point is requested through the allocated uplink time slot(217). Data is transmitted according to its own data transmitting rate included in the control information of a current frame through a connection ID included in a response received corresponding to the access request and the allocated uplink time slot.
    • 目的:提供可见光通信方法及其系统,以提供用于可见光通信的适当的MAC(媒体访问控制)协议。 构成:通过参考框架的控制信息(209)来请求通过小时隙对接入点的初始访问。 如果存在与下一帧的控制信息中的迷你时隙对应的分配的上行链路时隙,则通过所分配的上行链路时隙(217)请求对接入点的接入。 根据包含在与接入请求对应的响应中包含的连接ID和所分配的上行链路时隙,根据包含在当前帧的控制信息中的自身的数据发送速率来发送数据。
    • 38. 发明公开
    • 가시광 통신 시스템에서 가시적인 통신 방법
    • 可见光通信中可见通信的方法
    • KR1020090011203A
    • 2009-02-02
    • KR1020070074567
    • 2007-07-25
    • 삼성전자주식회사
    • 최정석오윤제정대광신홍석이경우신동재박성범현유정
    • H04B7/24H04L29/06
    • H04B10/116H04B10/1143H04W4/06H04W8/005H04W8/26H04W74/00
    • A visible communication method in a visible light communication system is provided to give the visibility to a link by applying the IrLAP(IrDA Link Access Protocol) of an infrared communication system. A responder(612) desiring communication outputs a visible frame at a desired time(614). An initiator(610) desiring communication broadcasts a D-XID(Discovery eXchange station IDentification) frame to transmit it repetitively as much as preset times(616,618,622). The responder recognizes the D-XID frame received from the initiator, and then transmits D-R-XID as a response frame to the D-XID frame if it desires the communication(620). The initiator receives the D-R-XID frame from the responder, prepares a discovery log, notifies a service application that the responder exists, and then is changed into a connection set-up mode.
    • 提供可见光通信系统中的可视通信方法,以通过应用红外通信系统的IrLAP(IrDA链路接入协议)来给出链路的可见性。 响应者(612)期望通信在期望的时间输出可见帧(614)。 期望通信的发起者(610)广播D-XID(发现交换站识别)帧以重复地发送预设时间(616,618,622)。 响应者识别从发起者接收到的D-XID帧,然后如果需要通信,则将D-R-XID作为响应帧发送到D-XID帧(620)。 启动器从应答器接收D-R-XID帧,准备发现日志,通知应用程序存在的服务应用程序,然后更改为连接建立模式。
    • 39. 发明公开
    • 가시광 통신을 이용한 주변기기 인터페이스에서 재접속방법
    • 使用可见光通信的外部接口中的重新连接方法
    • KR1020090005520A
    • 2009-01-14
    • KR1020070068621
    • 2007-07-09
    • 삼성전자주식회사
    • 신홍석정대광최정석이경우신동재박성범현유정
    • H04B7/24H04L12/28
    • H04B10/116H04B10/1149
    • A re-connection method of a peripheral device interface using the visible light communication is provided to enable a user to recognize connection release by using the characteristics of the visible light communication in case a communication link is canceled between the first device and the second device. In case an ACK message does not reach by the inconsistency of a communication link between transmitting and receiving units by while two devices is performing data communication(410-430), the first device waits as much as an RTT(Round Trip Time), and then performs re-transmission(440). If the communication link between the first and second devices is canceled, the first device transmits a connection release warning and instructing message to the second device(450). The second device confirms the warning instruction light, grasps that the connection of the communication link is canceled, and then arranges the communication link between the devices to receive an R-XID message from the first device(460). The second device transmits a response message including an R-XID response message to the connection release warning and instructing message(470).
    • 提供使用可见光通信的外围设备接口的重新连接方法,以便在第一设备和第二设备之间的通信链路被取消的情况下,用户能够通过使用可见光通信的特性来识别连接释放。 在两个设备正在执行数据通信(410-430)的情况下,由于发送和接收单元之间的通信链路的不一致而不能达到ACK消息,所以第一设备等待RTT(往返时间),并且 然后执行重传(440)。 如果第一和第二设备之间的通信链路被取消,则第一设备向第二设备发送连接释放警告和指示消息(450)。 第二设备确认警告指示灯,并抓住通信链路的连接被取消,然后在设备之间布置通信链路以从第一设备(460)接收R-XID消息。 第二设备向连接释放警告和指示消息(470)发送包括R-XID响应消息的响应消息。
    • 40. 发明授权
    • 가시광 통신을 이용한 무선 랜 시스템에서 통신 링크 연결방법
    • 空值
    • KR100876725B1
    • 2008-12-31
    • KR1020070051736
    • 2007-05-28
    • 삼성전자주식회사
    • 신홍석정대광최정석이경우신동재박성범현유정
    • H04B7/26
    • Y02D70/10Y02D70/25
    • 본 발명은 가시광 통신을 이용한 무선 랜 시스템에서 통신 링크 연결 방법에 있어서, 모바일 노드(Mobile Node)가 엑세스 포인트(Access Point)에서 발생 되는 가시광 신호를 수신 가능한지 판단하는 과정과, 모바일 노드에서 엑세스 포인트와 동기화(Synchronization) 작업을 수행하는 과정과, 모바일 노드 내의 가시광 송신부에서 통신 링크 정렬을 위한 지시광을 발생시키는 과정과, 지시광을 이용하여 업링크(Uplink) 방향의 통신 링크를 설정하는 과정을 포함한다.
      가시광 통신, LED, XID, 링크, 무선 랜
    • 提供了一种使用可见光通信来连接无线LAN(局域网)系统中的通信链路的方法,以使用可见光通信在无线LAN系统中提供可见光无线LAN协议的呼叫设置过程并且布置 通过使用户可视地确认可见光的位置和范围来实现通信链路。 一种使用可见光通信连接无线LAN系统中的通信链路的方法包括以下步骤:判断移动节点是否可能接收在接入点发生的可见光信号(415); 执行与移动节点中的接入点的同步,并生成用于在移动节点(420)的可见光发送单元处布置通信链路的指示灯; 以及通过使用指示灯来建立上行链路方向的通信链路。