Interactive television security through transaction time stampin
Interactive television service utilizing both unidirectional and
Interactive television system for implementing electronic pollin
Interactive television terminal responsive to user commands whic
Interactive theater network system
Interactive TV system for mass media distribution
Interactive video communication system
Interactive video display system
Interactive video system
Internet transaction acceleration
ISDN-based system for making a video call
Lens tilt mechanism for video teleconferencing unit
Local area network for simultaneous, bi-directional transmission
Low bit rate audio-visual communication having improved face and
Low bit rate audio-visual communication system having integrated
Low bit rate audio-visual communication system having integrated
Low bit rate audio-visual communication system having integrated
Low bit rate audio-visual communication system having integrated
Maintaining eye-contact in teleconferencing using structured...
Maintaining eye-contact in teleconferencing using structured...