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Video conferencing system

  • US 5,767,897 A
  • Filed: 10/31/1994
  • Issued: 06/16/1998
  • Est. Priority Date: 10/31/1994
  • Status: Expired due to Term
First Claim
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1. A video conferencing system wherein a local site is networked with at least one remote site to interchange audio and video information, the at least one remote site having a video camera, a video monitor, a loudspeaker and a microphone, the local site having a video camera, a loudspeaker and a microphone, and further having:

  • a controller, comprising;

    an interconnected video display section and control section, for controlling distribution of generated audio and video information among the sites selectively in accordance with electrical signals fed to the control section in response to a tactile command from a podium speaker to the video display section, wherein the video display section includes, in a first mode of operation preview display section includes, in a first mode of operation preview and presentation video display areas, wherein video information from a first video source, selected from a plurality of different video sources including video cameras at the remote and local sites, being displayed in the presentation area is distributed to the video monitor at the at least one remote site, and wherein the control section, in response to a command from the podium speaker, causes video information from a second video source selected from the video sources, being displayed in the preview area to be distributed to the video monitor at the at least one remote site in place of the previously distributed, first mentioned video information from the first selected video source.

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