Invention Grant
US07941480B2 Computer communications using acoustic signals 有权
计算机通信使用声信号

Computer communications using acoustic signals
Abstract:
A method of communicating with an electronic device. The method includes providing an electronic device having an audible sound receiving and generating sub-system including a microphone, transmitting from a source at least one acoustic signal encoded with information, receiving said at least one acoustic signal by said microphone and determining a spatial position, distance or movement of the microphone relative to the source, responsive to the received at least one signal.
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