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Data/voice/fax compression multiplexer

  • US 5,682,386 A
  • Filed: 04/19/1994
  • Issued: 10/28/1997
  • Est. Priority Date: 04/19/1994
  • Status: Expired due to Term
First Claim
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1. A data multiplexer, comprising:

  • a plurality of asynchronous data interfaces;

    collection means for collecting the asynchronous data from the plurality of asynchronous data interfaces, and for producing therefrom collected asynchronous data packets each having a header;

    a telephone interface for receiving voice band signals;

    conversion means for converting the voice band signals into digital samples;

    compression means for compressing and encoding the digital samples and for producing therefrom compressed digital voice data;

    means for placing the compressed digital voice data into compressed digital voice data packets each having headers;

    multiplexer means connected for receiving the collected asynchronous data packets, for receiving the compressed digital voice data packets and for multiplexing the collected asynchronous data packets and the compressed digital voice data packets into a synchronous data stream; and

    means for transmitting the synchronous data stream.

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