US Patent 9804731 Emissive surfaces and workspaces method and apparatus

A conferencing arrangement and method for sharing information within a conference space, the arrangement comprising a common presentation surface positioned within the conference space, the common presentation surface including a presentation surface area, a common presentation surface driver, a system processor linked to the driver, the system processor receiving information content and presenting the information content via the common presentation surface and a user interface device including a device display screen and a device processor, the device processor programmed to provide a dynamic interface via the device display screen that is usable to create an arbitrary number of distinct sharing spaces on the presentation surface area for sharing information content and to automatically modify the interface to include features for controlling content presented in the sharing spaces as the number of distinct sharing spaces is altered.