Patent attributes
A hand-held device for detecting an object is provided. The hand-held device comprising: a communication device including a plurality of antennas; a processor in communication with the communication device; a memory in communication with the communication device and the processor, the memory comprising computer-executable instructions that, when executed by the processor, cause the processor to perform operations. The operations comprising: receiving at least one radio emission using the plurality of antennas; estimating a reference emission in response to the at least one radio emission; estimating an environment emission in response to the at least one radio emission; determining a pattern of interest in response to at least one of the reference emission and the environment emission; and identifying an object in response to the pattern of interest; wherein the hand-held device is sized to fit in a human hand.
