A wireless or extra-long-tethered augmented reality (AR) system and method, where the user wears some or all of the equipment necessary to perform the simulation. Various arrangements are presented that can be selected based on the needs of the system, such as the number of users and type of tracking...http://www.google.de/patents/US7046214?utm_source=gb-gplus-sharePatent US7046214 - Method and system for accomplishing a scalable, multi-user, extended range, distributed, augmented reality environment
