Packet-switched ring network having direct access to low and hig

PC video conferencing

Peripheral unit for satelite multi-videoconferencing

Personal data communication apparatus

Pictorial communication apparatus

Picture codec and teleconference terminal equipment

Picture codec and teleconference terminal equipment

Picture codec and teleconference terminal equipment

Picture codec for teleconference equipment, which forms and disp

Picture phone terminal interrupt function and picture phone term

Picture signal transmitting system using CATV network in...

Picture transmission system

Picture-phone device providing means for guiding operator's...

Portable compact imaging and displaying apparatus

Portable compact imaging and displaying apparatus with rotatable

Presence detection for IP telephony

Process and system for increasing the display resolution of a po

Process and terminal for video telephony permitting acceptance,

Process for controlling the communication flow within an...

Process, apparatus and system for displaying multiple video stre