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    • 61. 发明申请
    • HANDSHAKE SYNCHRONIZATION METHOD AND SYSTEM BASED ON VISIBLE LIGHT COMMUNICATION
    • 基于可见光通信的汉斯同步方法与系统
    • US20150155936A1
    • 2015-06-04
    • US14405787
    • 2013-05-07
    • KUANG-CHI INNOVATIVE TECHNOLOGY LTD.
    • Ruopeng LiuLin LuanGuangjin Xiao
    • H04B10/116H04L9/08H04L7/00
    • H04B10/116H04L7/0075H04L9/0852H04L9/0869H04L9/12H04L2209/80
    • A handshake synchronization method and system based on visible light communication are provided. The method includes: connecting, by a transmitting end, in which a state machine varies with unit time, to a receiving end, the status of a state machine of the receiving end being synchronized with the status of the state machine of the transmitting end; using, by the transmitting end, a pseudocode signal which varies with unit time, to scramble an original signal and a pilot optical signal, and sending, in the form of a visible light signal, the scrambled signal obtained by scrambling; and receiving, by the receiving end, the visible light signal, identifying the scrambled signal of the current period of time by using a pilot optical signal, and decrypting the original signal according to the scrambled signal. Since a visible light signal which is transmitted between a transmitting end and a receiving end is not an original signal, the security of a photonic Internet of Things is improved.
    • 提供了一种基于可见光通信的握手同步方法和系统。 该方法包括:通过发送端将状态机以单位时间的形式变化到接收端,接收端的状态机的状态与发送端的状态机的状态同步; 使用发送端使用随单位时间变化的伪码信号,对原始信号和导频光信号进行加扰,以可见光信号的形式发送通过加扰获得的加扰信号; 并且由接收端接收通过使用导频光信号识别当前时间段的加扰信号的可见光信号,以及根据加扰信号解密原始信号。 由于在发送端和接收端之间发送的可见光信号不是原始信号,因此光子物联网的安全性得到改善。
    • 63. 发明授权
    • Metamaterial for diverging an electromagnetic wave
    • 用于发散电磁波的超材料
    • US09035850B2
    • 2015-05-19
    • US13521743
    • 2011-11-24
    • Ruopeng LiuChunlin JiYutao YueYunnan Hong
    • Ruopeng LiuChunlin JiYutao YueYunnan Hong
    • H01Q15/02H01Q15/00
    • H01Q15/0086
    • The present disclosure relates to a metamaterial for diverging an electromagnetic wave, which comprises at least one metamaterial sheet layer. Refractive indices of the metamaterial sheet layer are distributed in a circular form with a center of the metamaterial sheet layer, and the refractive indices remain unchanged at a same radius and increase gradually with the radius. The present disclosure changes electromagnetic parameters at each point of the metamaterial through punching or by attaching man-made microstructures so that the electromagnetic wave can be diverged after passing through the metamaterial. The metamaterial of the present disclosure features a simple manufacturing process and a low cost, and is easy to be implemented. Moreover, the metamaterial of the present disclosure has small dimensions and does not occupy a large space, so it is easy to miniaturize apparatuses made of the metamaterial of the present disclosure.
    • 本公开涉及用于发散电磁波的超材料,其包括至少一个超材料片层。 超材料片层的折射率分布为具有超材料片层的中心的圆形形状,并且折射率在相同半径处保持不变,并随着半径逐渐增加。 本公开通过冲压或通过附接人造微结构来改变超材料的每个点处的电磁参数,使得电磁波可以在通过超材料之后发散。 本公开的超材料具有简单的制造工艺和低成本,并且易于实施。 此外,本公开的超材料具有小的尺寸并且不占据大的空间,因此容易使由本公开的超材料制成的装置小型化。
    • 65. 发明授权
    • Electromagnetic wave beam splitter
    • 电磁波分束器
    • US08729511B2
    • 2014-05-20
    • US14118015
    • 2011-11-21
    • Ruopeng LiuChunlin JiYutao YueYunnan Hong
    • Ruopeng LiuChunlin JiYutao YueYunnan Hong
    • H01Q15/02
    • G21K1/062G02B1/002G02B3/0087G02B27/0927H01Q15/0086H01Q15/10H01Q19/06H01Q19/065
    • Embodiments of the present invention relate to an electromagnetic wave beam splitter, comprising a functional layer made of at least one metamaterial sheet, wherein different metamaterial sheets have the same refractive index distribution; the metamaterial sheet may be divided into a circular region and an annular region concentric to the circular region; a refractive index increases continuously as a radius increases and refractive indices at the same radius are the same within the circular region; and a refractive index decreases continuously as a radius increases and refractive indices are the same at the same radius within the annular region. The circular region of the functional layer of the beam splitter according to the present invention has the function of diverging an electromagnetic wave; the annular region has the function of converging an electromagnetic wave; the electromagnetic wave incident on the circular region of the functional layer deflects toward edges on two sides of the functional layer respectively; the electromagnetic wave incident on the annular region deflects in a direction toward a circle center; and after an electromagnetic wave emitted by a signal source is incident on the beam splitter, an emergent electromagnetic wave forms an annular radiation region. This can satisfy the requirements of, for example, avoiding an obstacle and interference.
    • 本发明的实施例涉及一种电磁波束分离器,包括由至少一个超材料片制成的功能层,其中不同的超材料片具有相同的折射率分布; 超材料片可以分为圆形区域和与圆形区域同心的环形区域; 随着半径的增加,折射率连续增加,同一半径的折射率在圆形区域内相同; 并且折射率随着半径增加而连续减小,并且折射率在环形区域内的相同半径处相同。 根据本发明的分束器的功能层的圆形区域具有发散电磁波的功能; 环形区域具有会聚电磁波的功能; 入射到功能层的圆形区域上的电磁波分别偏向功能层两侧的边缘; 入射到环形区域的电磁波在朝向圆心的方向上偏转; 并且在由信号源发射的电磁波入射到分束器上之后,出现的电磁波形成环形辐射区域。 这可以满足例如避免障碍和干扰的要求。