Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2011-06-07
2011-06-07
Santiago-Cordero, Marivelisse (Department: 2617)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S416000, C379S093210, C379S158000, C379S202010, C379S420020, C379S203010, C379S420030, C379S420040, C379S204010, C381S362000, C381S074000, C381S071600, C381S111000, C370S260000, C370S270000
Reexamination Certificate
active
07957771
ABSTRACT:
A hands-free teleconferencing apparatus for use with a wireless telephone for enabling multiple users to participate in a telephone call in a hands-free environment. An adapter of the apparatus configured to connect to a wireless telephone includes circuitry for communicating with at least two external speakers and at least one external microphone. The communications between the adapter and the external speakers and microphone may be wired or wireless. If wired, the external speakers and microphone may be part of respective earbud devices or headsets that connect to the adapter. Each earbud device includes an acoustic transducer that functions as an audio speaker and may include a microphone that converts the users' voices into electric audio signals. If wireless, the external speakers and microphone may be in respective headsets that have respective wireless transducers for communicating wirelessly with respective wireless transducers in the adapter.
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ClearOne Communications, Max Wireless Audio Conferencing, Product Brief, 2003, www.clearone.com, Salt Lake City, Utah, US.
ClearOne Communications, Max Wireless Audio Conferencing, Demo Sheet, 2003, www.clearone.com, Salt Lake City, Utah, US.
Frerking Melvin D.
Kimble Tamara
Penrose Christopher
Watts Alonzo L.
AT&T Mobility II LLC
Moazzam & Associates, LLC
Santiago-Cordero Marivelisse
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