Audio system and related method integrated with ultrasound communication functionality

Audio system and related method integrated with ultrasound communication functionality are provided. A communication transmitting device of proposed invention modulates a communication signal of communication functionality to a high-frequency sound and transmits the high-frequency sound by an ordina...

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Hauptverfasser:	Liao, Tung-Tsai, Lo, Li-Sheng
Format:	Patent
Sprache:	eng
Online-Zugang:	Volltext bestellen
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