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Teleconferencing video display system for improving eye contact

  • US 5,159,445 A
  • Filed: 12/31/1990
  • Issued: 10/27/1992
  • Est. Priority Date: 12/31/1990
  • Status: Expired due to Term
First Claim
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1. A display system for providing video images to a viewer and for collecting images of the viewer, the system comprising,display means having first and second controllable modes of operation, the display means having a front and back surfaces, the front surface for viewing the video images,image sensing means for generating a video representation of the viewer image, the image sensing means being located adjacent to the back surface of the display means,synchronizing means connected to said display means for controlling the display means to switch to the first controllable mode of operation during a first time interval so that the video image is display by the display means, said synchronizing means for controlling the display means to switch to the second controllable mode of operation during a second time interval so that viewer images are recorded by the image sensing means through the display means,illumination means positioned adjacent to the back surface of the display means for backlighting the display means, the illumination means being switchably controllable to an "ON" state and to an "OFF" state, andthe synchronizing means connected to the illumination means for controlling the illumination means to switch to the "ON" state during substantially the first time interval, the synchronizing means for controlling the illumination means to switch to the "OFF" state during substantially the second time interval, said second time interval being substantially equal to at least one-fourth of the sum of the first and second time intervals.

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