Appeal No. 2002-0076 Page 3
Application No. 09/144,842
a situation, the microphone receives the sound emanating from the speaker as a loud
signal, while receiving the voice of the talker as a quiet signal. (Id. at 2.)
In contrast, the appellant's FDX speakerphone features a base station and a
remote microphone. For its part, the base station includes a network connection, a
speaker, and a wireless receiver. The network connection receives a first network
signal from a telephone network, and the speaker emits an audible signal derived from
the first network signal. For its part, the remote microphone includes a wireless
transmitter. The microphone receives an audio signal, and the wireless transmitter
transmits the audio signal over the air to the wireless receiver in the base station. In
turn, the base station converts the audio signal into a second network signal and sends
the second network signal to the network.
A further understanding of the invention can be achieved by reading the following
claim.
1. A full-duplex speakerphone that is coupled to a network,
comprising:
a. a base station having a network connection, a speaker, and
a wireless receiver, the base station for receiving a first network signal
from the network, and the speaker for delivering an audible signal derived
from the first network signal; and
b. a wireless remote microphone apparatus having a
microphone and a wireless transmitter, the microphone for receiving an
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