发明申请
US20100030838A1 Method to use acoustic signals for computer communications 审中-公开
使用声信号进行计算机通信的方法

Method to use acoustic signals for computer communications
摘要:
A method of communicating with an electronic device, comprising: providing a computer having an audible sound receiving and generating sub-system including a microphone; transmitting from a source at least one ultrasonic acoustic signal, encoded with information to the computer; and receiving said at least one signal by said microphone, to be detected by said computer. Preferably, the ultrasonic frequency used is below 50 kHz.
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