Multi-location video conferencing system

Details Multi-location video conferencing system Multi-location video conferencing system

1996-11-27

1999-09-14

Loomis, Paul

Television

Two-way video and voice communication

User positioning

379 9321, 348 14, H04N 714

Patent

active

059530502

ABSTRACT:
A video conferencing system uses video conferencing terminals at a number of locations to allow each of participants in a video conference to watch other participants he or she wants to watch in a desired array using a small amount of hardware. The system comprises first image reduction and storage units for reducing images from the terminals at a reduction ratio for speaker's image and storing the reduced images, second image reduction and storage units for reducing the images from the terminals at a reduction ratio for non-speaker's image and storing the reduced images, image readout control units for reading the reduced image stored in a corresponding one of the second image reduction and storage units in such a way that a plurality of reduced images identical to that reduced image can be displayed on one display screen, and an image selecting and combining unit for generating a composite image and outputting it to receiving terminals.

REFERENCES:
patent: 4962521 (1990-10-01), Komatsu et al.
patent: 5382972 (1995-01-01), Kannes
patent: 5598351 (1997-01-01), Chater et al.

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