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Apparatus and method for telephone, intercom, and clock

  • US 7,577,247 B1
  • Filed: 10/20/2003
  • Issued: 08/18/2009
  • Est. Priority Date: 06/14/2000
  • Status: Expired due to Term
First Claim
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1. A telephone comprising:

  • a receiver adapted to receive a signal representing encoded first voice data;

    a processor comprisinga media access controller adapted to obtain the encoded first voice data from the signal, anda digital signal processor adapted to decode the encoded first voice data obtained by the media access controller;

    an output circuit;

    a digital-to-analog converter adapted to convert the first voice data decoded by the digital signal processor to a first analog signal, wherein the first analog signal is output to the output circuit;

    an input circuit;

    an analog-to-digital converter adapted to receive a second analog signal from the input circuit, and to convert the second analog signal to second voice data;

    wherein the digital signal processor is further adapted to encode the second voice data; and

    a transmitter adapted to transmit signals representing the encoded second voice data.

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