A conference communication system that includes multiple user terminals, each of which includes a display screen with a common working area, provides each user with a pointer icon that can be moved across all the display screens with a pointing device, provides the display screen of each user with a...http://www.google.fr/patents/US6072463?utm_source=gb-gplus-shareBrevet US6072463 - Workstation conference pointer-user association mechanism
Workstation conference pointer-user association mechanism
