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Satellite communication conference system for use in a satellite communication system

  • US 6,246,873 B1
  • Filed: 03/11/1997
  • Issued: 06/12/2001
  • Est. Priority Date: 03/24/1995
  • Status: Expired due to Fees
First Claim
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1. A conference station for use in a system for enabling a conference by satellite using at least one satellite communication channel comprising:

  • means for receiving communications on at least one satellite communication channel allocated to the conference station and having a given frequency;

    means for transmitting communications on at least one satellite communication channel allocated to the conference station and having a given frequency;

    means for controlling access from the conference station to the satellite communication channel or channels allocated for transmissions from the conference station comprising means for detecting whether a communication is being received on an allocated satellite communication channel, means for determining that a satellite communication channel allocated for use by the transmitting mean, is free for use or unoccupied when the detecting means does not detect a communication from another conference station on that channel, and means for enabling transmission by the transmitting means of a satellite communication on a communication channel allocated for use by the transmitting means when that communication channel is determined to be free whereby a participant at the conference station can speak in a conference when a satellite voice communication allocated to the conference statice is free;

    means responsive to a data signal received on a satellite data channel from a conference control station for controlling the satellite communication receiving means to adjust the allocated satellite communication channel frequency or frequencies on which the receiving means is arranged to receive communications; and

    means responsive to a data signal received on a satellite data channel from a conference control station for controlling the satellite communication transmitting means to adjust the allocated satellite communication channel frequency or frequencies on which the transmitting means is arranged to transmit communications.

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