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    • 10. 发明授权
    • Unique identification of devices using color detection
    • 使用颜色检测的设备的独特识别
    • US08325020B2
    • 2012-12-04
    • US13017936
    • 2011-01-31
    • Shahram IzadiMalcolm HallStephen HodgesWilliam A. S. BuxtonDavid Alexander Butler
    • Shahram IzadiMalcolm HallStephen HodgesWilliam A. S. BuxtonDavid Alexander Butler
    • H04Q5/22
    • H04W76/14H04W8/005H04W64/00H04W84/18
    • Methods and apparatus for uniquely identifying wireless devices in close physical proximity are described. When two wireless devices are brought into close proximity, one of the devices displays an optical indicator, such as a light pattern. This device then sends messages to other devices which are within wireless range to cause them to use any light sensor to detect a signal. In an embodiment, the light sensor is a camera and the detected signal is an image captured by the camera. Each device then sends data identifying what was detected back to the device displaying the pattern. By analyzing this data, the first device can determine which other device detected the indicator that it displayed and therefore determine that this device is within close physical proximity. In an example, the first device is an interactive surface arranged to identify the wireless addresses of devices which are placed on the surface.
    • 描述用于唯一地识别物理上接近的无线设备的方法和装置。 当两个无线设备紧密接近时,其中一个设备显示光学指示符,例如光图案。 然后,该设备向无线范围内的其他设备发送消息,使其使用任何光传感器来检测信号。 在一个实施例中,光传感器是相机,并且检测到的信号是由照相机拍摄的图像。 然后,每个设备发送识别检测到的内容的数据,显示该模式的设备。 通过分析该数据,第一设备可以确定哪个其他设备检测到其显示的指示符,并且因此确定该设备处于紧密的物理接近度内。 在一个示例中,第一设备是布置成识别放置在表面上的设备的无线地址的交互式表面。