Systems and methods for acoustic communication in a mobile device

A communication device and method including a microphone, a first filter coupled to the microphone adapted to pass signals in an audio band only, a second filter coupled to the microphone adapted to pass signals only in an upper region of the audio band, an optional amplifier or two, an analog to di...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Gabai, Oz, Primo, Haim
Format: Patent
Sprache:eng
Schlagworte:
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