Telecommunications – Transmitter and receiver at same station – Having particular configuration of a transceiver
Reexamination Certificate
2007-10-10
2010-11-09
Dao, Minh D (Department: 2618)
Telecommunications
Transmitter and receiver at same station
Having particular configuration of a transceiver
C455S090100, C455S404100, C455S521000, C370S340000, C340S007450
Reexamination Certificate
active
07831217
ABSTRACT:
An external speaker/microphone apparatus for a radio transceiver includes a speaker, a microphone, a push-to-talk switch, and an emergency switch. The apparatus further includes an encoder module operatively coupled to the push-to-talk switch and the emergency switch and configured to generate a digital identification each time the push-to-talk switch is pressed, and a digital emergency signal and digital identification when the emergency switch is pressed. The apparatus also includes a connector configured to operatively couple audio to the speaker from the transceiver, a combination audio signal from the microphone and the encoder module to the transceiver. The connector is further configured to operatively couple the push-to-talk switch and the emergency switch to the transceiver so that the transceiver is switched to a transmit mode when either the push-to-talk switch or the emergency switch is pressed.
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Farmer Gregory Paul
Jamerson Eric Matthew
Tredway Joshua Burke
Yurman Bruno
Dao Minh D
Fox Rothschild LLP
Pine Valley Investments, Inc.
Sacco Robert J.
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