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    • 1. 发明授权
    • Directional information delivery system and method
    • 定向信息传递系统及方法
    • US07555292B2
    • 2009-06-30
    • US11410488
    • 2006-04-25
    • Wei Kai XieYudong YangHang Jun YeTao Zhou
    • Wei Kai XieYudong YangHang Jun YeTao Zhou
    • H04Q7/22
    • H04B10/1149
    • A directional information delivery method and system, wherein a wide-angle electromagnetic wave transmitter is attached on each object for transmitting channel identification that indicates the transferring channel of the information of the exhibited item attached with the wide-angle electromagnetic wave transmitter to a specified area in wide angle, while each portable client device is provided with a directional electromagnetic wave receiver. When a user points the client device he/she to an object, it can receive the electromagnetic wave from that exhibited item. Then, the client device obtains a channel identification from that electromagnetic wave, and establishes a connection with an information delivery sub-system based on the obtained channel identification to obtain information about that exhibited item from the channel and to render that information. In this way, a user can select simply by pointing at the exhibited item with the client device, thereby accurately obtaining the information about the exhibited item of interest.
    • 一种定向信息传递方法和系统,其中广角电磁波发射器附着在每个物体上,用于传输信道识别,该信道标识指示附加有广角电磁波发射机的展示物品的信息的传送信道到指定区域 在广角范围内,而每个便携式客户端设备设置有定向电磁波接收器。 当用户将客户端设备指向对象时,可以从该展示项目接收电磁波。 然后,客户端装置从该电磁波获取信道识别,并且基于所获得的信道标识与信息传递子系统建立连接,以从信道获得关于所展示的项目的信息并呈现该信息。 以这种方式,用户可以简单地通过用客户端设备指示展示的项目,从而准确地获得关于所展示的感兴趣的项目的信息。