Video monitoring and conferencing system

  • US 5,625,410 A
  • Filed: 04/07/1995
  • Issued: 04/29/1997
  • Est. Priority Date: 04/21/1993
  • Status: Expired due to Term
First Claim
Patent Images

1. A video storage and display system, comprising:

  • a plurality of video cameras, each outputting a signal representative of a video image;

    means to receive the signals from each camera and digitally compress the images;

    two forms of high-capacity storage media, one being randomly searchable while the other continues to store the digitally compressed image; and

    a computer configured to receive the digitally compressed images, the computer being interfaced to the following devices;

    a display screen,means to receive externally derived operator commands, andthe high-capacity storage media, and wherein the computer is programmed to perform the following functions;

    display the digitally compressed images from the cameras in different windows on the display screen, each window being associated with an update rate and dimensions in pixels,vary the dimensions and the rate at which a particular image is updated in its window in accordance with one of the externally derived commands,store the digitally compressed images in the high-capacity storage medium, andvary the dimensions and the rate at which a particular image is stored in accordance with one of the externally derived commands.

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