Microphone expansion unit for teleconference phone calls
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United States of America Patent
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Jul 9, 2013
Grant Date -
Feb 26, 2009
app pub date -
Aug 24, 2007
filing date -
Aug 24, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A portable teleconference phone system includes a plurality of portable computers each having a microphone disposed therein, the microphone configured to receive a plurality of analog audio signals from a plurality of users at a first location, the analog audio signals being converted into one of a plurality of digital audio signals at the portable computers; and a portable teleconference unit located at the first location configured to receive the digital audio signals from the portable computers over a wireless link using a Bluetooth communication protocol, the portable teleconference unit configured to multiplex the digital audio signals into a single digital audio signal, convert the single digital audio signal into a single analog audio signal representative of the analog audio signals, and send the single analog audio signal over a communication wire to a remote communication device operated by a plurality of users at a second location forming a teleconference.
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