Tactile interactive communication equipment, has digital processing unit allowing digital processing of collected information, where digital processing unit forms or does not form integral part of projection system

摘要

The equipment has a set of active terminals (C), a pico OHP, a digital processing unit and an active echolocation unit. The set of active terminals ensures detection of actions of a speaker on a projection surface. The digital processing unit allows digital processing of collected information, and provides tactile access on the projection surface. The digital processing unit forms or does not form an integral part of a projection system.