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Videophone network system

  • US 4,645,872 A
  • Filed: 05/06/1986
  • Issued: 02/24/1987
  • Est. Priority Date: 04/01/1982
  • Status: Expired due to Fees
First Claim
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1. A controlled access automated-switching conferencing system comprising:

  • a plurality of stations each including an audio input and a wideband input and an audio output and a wideband output;

    a control console disposed at each station, each console controlled by a station microprocessor at each station, and each said console including function and station selection members operatively interconnected to said station microprocessorcentral automatic distinct audio switching means and wideband switching means for switching said audio and wideband inputs so that they may be connected to any one or more of said audio and wideband outputs;

    central system control means, having a microprocessor, for controlling said audio switching means and said wideband switching means in response to selections of function and station selection members associated with any of said control consoles, the central system control means microprocessor detecting the selections by polling all station control consoles to determine the status of the function and station selection members;

    interface means associated with each station for operatively interconnecting said station control console, inputs, and outputs with said system control means;

    central line driver means for interfacing said system control means with said interface means; and

    each said station microprocessor including means for controlling selective connection of any wideband input to any one or more wideband outputs, and any audio input to any one or more audio outputs, through said interface means and said central system control means, to provide selective connection of each station to any selected one or more other stations, with control over connections to a station being provided at each individual station.

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