Television – Two-way video and voice communication – User positioning
Patent
1998-10-14
2000-02-15
Kuntz, Curtis A.
Television
Two-way video and voice communication
User positioning
348 16, 379 9321, H04N 714
Patent
active
060258705
ABSTRACT:
A videoconference system includes a video switch for selecting focus video information, a physical video input node coupled to provide physical video information to the video switch, a graphics processing module coupled to provide graphical video information to the video switch, and a remote source interface coupled to provide remote video information to the video switch. The videoconference system further includes an audio processing module for processing audio information. A record controller is coupled to the video switch, the graphics processing module and the audio processing module. The record controller is coupled to receive event information from the audio processing module and the graphics processing module. The record controller automatically determines a focus video source from among the physical video input, the graphics processing module and the remote source interface responsive to receiving the event information. The record controller controls the video switch to couple the focus video source to a video switch output responsive to determining the focus video source.
REFERENCES:
patent: 4516156 (1985-05-01), Fabris et al.
patent: 5477546 (1995-12-01), Shibata et al.
patent: 5821984 (1998-10-01), Ito et al.
Kuntz Curtis A.
Ramakrishnaiah Melur
Terrile Stephen A.
Vtel Corporation
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