A multimedia collaboration system that integrates separate real-time and asynchronous networksthe former for real-time audio and video, and the latter for control signals and textual, graphical and other datain a manner that is interoperable across different computer and network operating system platforms...http://www.google.fr/patents/US20010044826?utm_source=gb-gplus-shareBrevet US20010044826 - Dedicated echo canceler for a workstation
Numéro de demande: 09/879,460 Numéro de publication: US 2001/0044826 A1 Date de dépôt: 11 juin 2001 Brevet délivré: US6594688 ( Date de délivrance 15 juil. 2003)
