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Conference call on a personal handy phone system portable station

  • US 5,949,764 A
  • Filed: 11/21/1997
  • Issued: 09/07/1999
  • Est. Priority Date: 11/21/1997
  • Status: Expired due to Fees
First Claim
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1. A communication system allowing a portable station of a personal handy phone system to support a conference call, said communication system comprising:

  • a) a portable station comprising;

    a plurality of receiving channel circuits for processing a plurality of first input signals from a first to a second data format, wherein each receiving channel circuit corresponds to a respective communication slot of a communication frame;

    a plurality of transmitting channel circuits for processing a plurality of first output signals from said second to said first data format, wherein each transmitting channel circuit corresponds to a respective communication slot of said communication frame; and

    a signal processor circuit for mixing said plurality of first input signals which are in said second data format and for mixing said plurality of first output signals which are in said second data format;

    b) a plurality of cell stations, each comprising;

    a plurality of receiving channel circuits for processing a plurality of second input signals from said first to said second data format for a cell station, wherein each of said receiving channel circuits of said cell station corresponds to a respective communication slot of said communication frame; and

    a plurality of transmitting channel circuits for processing a plurality of second output signals from said second to said first data format, wherein each of said transmitting channel circuits of said cell station corresponds to a respective communication slot of said communication frame;

    c) said plurality of transmitting channel circuits, said plurality of receiving channel circuits, and said signal processor circuit of said portable station enabling said portable station to communicate voice information simultaneously with two or more of said plurality of cell stations.

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